Cotton Gins...the machine invented by Eli Whitney, for ginning cotton,...
Illus. in: American Farmer ..., v. 4. Baltimore, 1823, p. 380. Reference copy may be in LOT 4434 F. This record contains unverified, old data from caption card. Caption card tracings: Farm machinery...; Cotton ... More
U. S. Patent Office - stereoscopic view, public domain photorpaph
U.S. Patent Office from corner of 9th and G, looking S.E., church in background. Stereo by W.M. Chase. Title from back of stereograph. From the series: Metropolitan and suburban scenery, Washington, D.C., no. 1... More
![U.S. Patent Office, [7/16/25] - Glass negative photogrpah. Public domain.](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzE5MjUvMDEvMDEvdXMtcGF0ZW50LW9mZmljZS03MTYyNS01LTEwMjQuanBn/40/28/webp "U.S. Patent Office, [7/16/25] - Glass negative photogrpah. Public domain.")
U.S. Patent Office, [7/16/25] - Glass negative photogrpah. Public doma...
Public domain photograph of public building, train station, free to use, no copyright restrictions image - Picryl description
![U.S. Patent Office, [7/16/25] - Glass negative photogrpah. Public domain.](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzE5MjUvMDEvMDEvdXMtcGF0ZW50LW9mZmljZS03MTYyNS02LTEwMjQuanBn/40/28/webp "U.S. Patent Office, [7/16/25] - Glass negative photogrpah. Public domain.")
U.S. Patent Office, [7/16/25] - Glass negative photogrpah. Public doma...
Public domain photograph of building interior, office, room, free to use, no copyright restrictions image - Picryl description
![U.S. Patent Office, [7/16/25] - Public domain dedication image](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzE5MjUvMDEvMDEvdXMtcGF0ZW50LW9mZmljZS03MTYyNS0xLTEwMjQuanBn/40/28/webp "U.S. Patent Office, [7/16/25] - Public domain dedication image")
U.S. Patent Office, [7/16/25] - Public domain dedication image
Public domain photograph of building interior, office, room, free to use, no copyright restrictions image - Picryl description
![U.S. Patent Office, [7/16/25] - Public domain dedication image](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzE5MjUvMDEvMDEvdXMtcGF0ZW50LW9mZmljZS03MTYyNS0zLTEwMjQuanBn/40/28/webp "U.S. Patent Office, [7/16/25] - Public domain dedication image")
U.S. Patent Office, [7/16/25] - Public domain dedication image
Public domain photograph of building interior, office, room, free to use, no copyright restrictions image - Picryl description
![U.S. Patent Office, [7/16/25] - Glass negative photogrpah. Public domain.](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzE5MjUvMDEvMDEvdXMtcGF0ZW50LW9mZmljZS03MTYyNS0yLTEwMjQuanBn/40/28/webp "U.S. Patent Office, [7/16/25] - Glass negative photogrpah. Public domain.")
U.S. Patent Office, [7/16/25] - Glass negative photogrpah. Public doma...
Public domain historical photo, free to use, no copyright restrictions image - Picryl description
U.S. Patent Office, 7/16/25 - Glass negative photogrpah. Public domain...
Public domain photograph of department store building, free to use, no copyright restrictions image - Picryl description
![U.S. Patent Office, [7/16/25] - Glass negative photogrpah. Public domain.](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzE5MjUvMDEvMDEvdXMtcGF0ZW50LW9mZmljZS03MTYyNS0xMDI0LmpwZw%3D%3D/40/28/webp "U.S. Patent Office, [7/16/25] - Glass negative photogrpah. Public domain.")
U.S. Patent Office, [7/16/25] - Glass negative photogrpah. Public doma...
Public domain photograph of building interior, office, room, free to use, no copyright restrictions image - Picryl description
United States Soldiers' and Airmen's Home National Cemetery, Main Gate...
Significance: The Main Gate, erected as a simple yet elegant, classically inspired colonnade, was built in 1883-84 to form the ceremonial entrance into what was then referred to as the Soldiers' Home National ... More
United States Soldiers' and Airmen's Home National Cemetery, Main Gate...
Significance: The Main Gate, erected as a simple yet elegant, classically inspired colonnade, was built in 1883-84 to form the ceremonial entrance into what was then referred to as the Soldiers' Home National ... More
United States Soldiers' and Airmen's Home National Cemetery, Main Gate...
Significance: The Main Gate, erected as a simple yet elegant, classically inspired colonnade, was built in 1883-84 to form the ceremonial entrance into what was then referred to as the Soldiers' Home National ... More
United States Soldiers' and Airmen's Home National Cemetery, Main Gate...
Significance: The Main Gate, erected as a simple yet elegant, classically inspired colonnade, was built in 1883-84 to form the ceremonial entrance into what was then referred to as the Soldiers' Home National ... More
United States Soldiers' and Airmen's Home National Cemetery, Main Gate...
Significance: The Main Gate, erected as a simple yet elegant, classically inspired colonnade, was built in 1883-84 to form the ceremonial entrance into what was then referred to as the Soldiers' Home National ... More
United States Soldiers' and Airmen's Home National Cemetery, Main Gate...
Significance: The Main Gate, erected as a simple yet elegant, classically inspired colonnade, was built in 1883-84 to form the ceremonial entrance into what was then referred to as the Soldiers' Home National ... More
Patent Drawing of Engine - 001 beaumont1856patent - . Public domain i...
Beaumont US Patent
Patent Drawing of Engine - 001 starr1860patent - . Public domain imag...
Starr revolver 1860 patent
Patent Drawing of Engine - 001 Sundback zipper 1917 patent (cropped) P...
1917 patent of the "separable fastener" (zipper) by Gideon Sundbäck.
Patent Drawing of Engine - 001 Sundback zipper 1917 patent Public doma...
1917 patent of the "separable fastener" (zipper) by Gideon Sundbäck. Public domain photograph related to motor parts, engines, free to use, no copyright restrictions image - Picryl description
Patent drawing - 1255517 Starting and current supplying system for aut...
U.S. Patent 1,255,517, Thomas Edison, Starting and current supplying system for automobiles
Patent drawing - 1521030 - . Public domain image
1521020 patent of 1923
Patent drawing - 1892 wobble board precursor by William Madsen Public ...
These are the five patent drawings for a physical-fitness exercise device. The inventor was William Madsen of Chicago, Illinois. The 1892 U.S. patent for this device was applied for also in 1892. Its patent nu... More
Patent drawing - 1915 Kendall US1330471 Fig2 - . Public domain image
Fig 2 from US Patent 1330471 "High-Frequency Signalling", a Hartley Oscillator regenerative audion Deutsch: Fig 2 aus US Patent 1330471 "High-Frequency Signalling", ein Hartley Oszillator RK-Audion
Patent drawing - 1923 wobble board precursor by Robert B. McWhirter Pu...
These are the two patent drawings for a physical-fitness exercise device. The inventor was Robert B. McWhirter of Newark, Ohio. The 1925 U.S. patent for this device was applied for in 1923. Its patent number i... More
Patent drawing - 1925 wobble board precursor by Albert C. Wendelken Pu...
These are eight of the patent drawings for a physical-fitness exercise device. The inventor was Albert C. Wendelken of Marietta, Ohio. The 1926 U.S. patent for this device was applied for in 1925. Its patent n... More
Patent drawing - 1935 Zaparka airfoil control microflap patent Public ...
Figure-1 from U.S. Patent Re19,412, "Aircraft and Control Thereof," dated January 1, 1935, E.F. Zaparka, inventor. This patent describes, and this image shows, a movable "microflap" similar to the fixed Gurney... More
Patent drawing - 1951 wobble board precursor by Samuel L. Jordan Publi...
These are the three patent drawings for a physical-fitness exercise device. The inventor was Samuel Lightfoot Jordan of Montgomery, Alabama. The 1955 U.S. patent for this device was applied for in 1951. Its pa... More
Patent drawing - 19560731 Bowling pin-setting mechanism - U. S. Patent...
Assembled clippings from U. S. Patent 2,757,000, "Bowling pin-setting mechanism", including Figure 2, altered by uploader to highlight candlepins in blue.
Patent drawing - 1977 joystick schematic - . Public domain image
From the patent: "FIG. 3a is a perspective view of a novel digital joystick control utilized in the video game system of FIG. 1; FIG. 3b is a side elevational view of the joystick control of FIG. 3a;"
Patent drawing - 1981 Glaser Bender fig 2 Public domain image
Patent drawing for Glaser guitar string bender, figure 2, patent 4354417, title Tone Changer for Stringed Instrument.
Patent drawing - 1983 Arcade cabinet patent 1 - . Public domain image
1983 arcade cabinet designs.
Patent drawing - 1983 Arcade cabinet patent 2 - . Public domain image
1983 arcade cabinet designs.
Patent drawing - 1986 Hennessey String Bender Public domain image
Patent drawing for Hennessey guitar string bender, figures 1, 2 and 4, patent 4658693, titled Rear operated control device for guitar.
Patent drawing - 2,208,605 Bowling pin setting apparatus - patent Publ...
Collage of excerpts clipped from U.S. Patent 2,208,605 -- "Bowling pin setting apparatus", issued to Gottfried J. Schmidt on July 23, 1940.
Patent Drawing of Engine - 2140946 SWARTZ drawing - . Public domain i...
Technical diagram of the Swartz safety system, taken from the patent application
Patent drawing - 248565-Webermeter - . Public domain image
U.S. Patent 248,565 - Thomas Edison - Webermeter (water splitting)
Patent Drawing of Engine - 39M-Patent - . Public domain image
Patent of the 39M
Patent drawing - 3D Computer Vision - . Public domain image
3D computer vision system
Patent drawing - 4263517 High voltage direct current system Public dom...
High voltage direct current system diagram. Patent 4263517
Patent drawing - 454622 - . Public domain image
U.S. Patent 0,454,622 - System of Electric Lighting - 1891 June 23 - Apparatus devised for the purpose of converting and supplying electrical energy in a form suited for the production of certain novel electr... More
Patent Drawing of Engine - 613809-teslaRotatingCoherer - Public domain...
Drawings of a rotating coherer invented by Serbian-American engineer Nikola Tesla, from his US patent no. 613,809, application filed July 1, 1898, granted November 8, 1898. Drawings from Sheet 4 of patent ap... More
Patent drawing - 73753per - . Public domain image
US. 73,753. H. W. Poole. Key-board for Organs &c. 28.01.1868 Fig.2 Perspective view showing the relative position of all the Keys.
Patent drawing - 84244 2 patent4 - . Public domain image
US Patent No. 20,499 Refrigerating pitcher
Patent drawing - 84244 3 patent2 - . Public domain image
US Patent No. 33,529 Improved fruit-can
Patent drawing - 84244 5 patent3 - . Public domain image
US Patent No. 69,922 Improvements in the manufacture of tea and coffee-pots
Patent drawing - 84244 6 patent - . Public domain image
US Patent No. 80,297 Improved butter-dish
Patent drawing - A. Baldwin Wood US1345655-1 - . Public domain image
Diagram of Patent 1,345,655 Wood Screw Pump.
Patent drawing - A.D.Blumlein US patent 2185367 - long-tailed pair Pub...
Long-tailed pair with cathode auto-biasing. Figure 3 from A. D. Blumlein's US Patent 2185367 (British 482740), priority from 1936-07-04. The original was slightly altered - I removed output cathode followers, w... More
Patent drawing - Picryl description: Public domain image of a 19th-cen...
Public domain image with Picryl description as title
Patent drawing - Accordina drawing from US Patent 2461806 Public domai...
Drawing from U.S. Patent 2,461,806 describing André Borel's improved "chromatic harmonicon" with chromatic button accordion keyboard. This instrument, a type of melodica, is better known as the accordina.
Patent drawing - Additron Tube schematic - . Public domain image
Schematic showing a 3-bit adder using Additron tubes, as per the patent filing
Patent drawing - Adhesive patent3 - . Public domain image
perspective view of the backless strapless bra
Patent drawing - Aerial Camera - . Public domain image
Aerial Camera used during WWII for military purposes by the US Army against enemy's submarines
Patent drawing - Airliftpump1 - . Public domain image
An airlift pump.
Patent drawing - AirMotionTransformer - . Public domain image
Air-motion transformer sketch.
Patent drawing - Albert Baldwin Wood01 - . Public domain image
Diagram of Patent 1,345,655 Wood Screw Pump from US Patent Office. Image to be used in A. Baldwin Wood and Wood Screw Pump. Image from Patent Office website
Patent drawing - Albert Baldwin Wood02, Louisiana Public domain image
Diagram of Patent 1,345,655 Wood Screw Pump from US Patent Office. Filed 1913; Patent finalized 1920. Image to be used in en:A. Baldwin Wood and en:Wood Screw Pump. Image from Patent Office website.
Patent drawing - Alexander Graham Bell's Telephone and Oath - NARA - ...
Alexander Graham Bell's Telephone Patent Drawing, 03/07/1876. Bell's telephone was the first apparatus to transmit human speech via machine. His work culminated in one of the most profitable and contested of ... More
Patent drawing - Allin Conv Trapdoor Patent-49959 horizontal Public do...
Drawing from Patent 49,959 showing Erskine S. Allin's design for a breech loading conversion to civil war rifled muskets.
Patent drawing - Amusement ride with vertical track loop - figure 1 Pu...
Figure 1 from Anton Schwarzkopf's patent for the Shuttle Loop roller coaster (patent US4165695, "Amusement ride with vertical track loop"). The image shows the overall layout of the ride.
Patent drawing - Analog clock with digital display Public domain imag...
Inner workings of a "flip clock" where a digital display is driven by a system of gears and motors.
Patent drawing - Anderson Window Cleaning Device 1903 Public domain i...
Diagram of Andersons 1903 window cleaning device. https://www.google.com/patents/US743801
Patent drawing - Ankle-foot-orthosis - . Public domain image
Modular ankle-foot orthosis
Patent drawing - Antisense riboregulator Public domain image
Drawing from US Patent 6,323,003 to Black Public domain photograph of architecture design drawing, building plan, diagram, free to use, no copyright restrictions image - Picryl description
Patent Drawing of Engine - Arcade cabinet patent image - . Public doma...
1985 arcade cabinet design.
Patent drawing - AroCase Public domain image
This is a drawing from the US patent involved in Aro Mfg. Co. v. Convertible Top Replacement Co. It is not subject to copyright because it is part of a US patent.
Patent drawing - Arthur Pons Apparatus Image From Patent 1023756 Publi...
It is said that this device inspired the creator of the bullworker device. From: https://patentimages.storage.googleapis.com/3c/fb/7c/40ec755d491ff0/US1023756.pdf
Patent drawing - Arthur William Chapman Apparatus Public domain image
Image from the patent of a physical exerciser invented in 1937.
Patent drawing - Artificial Womb - . Public domain image
Illustration from US patent 2723660A from 1954
Patent Drawing of Engine - Atari 2600 schematic - . Public domain ima...
Schematic of the Atari 2600 and two manual controllers, included in "Manual controller for video system" patent.
Patent Drawing of Engine - Atari 5200 Joystick schematic - . Public do...
Original patent image for the Atari 5200 joystick controller.
Patent Drawing of Engine - Atari cartridge patent drawing Public domai...
Drawing of an Atari console cartridge, showing the inside mechanics and electrical circuit.
Patent drawing - Atari CX40 exploded view - . Public domain image
An exploded view of the Atari CX40 joystick shows its basic construction. The printed circuit board (40) rests on top of the four posts (42) moulded into the case (12). The stick itself (20) rests on a post mo... More
Patent drawing - Atari CX40 joystick being moved Public domain image
This diagram from the patent application shows how the Atari CX40 joystick works. The right hand image shows the stick being pressed to the right. The stick (20) sits on top of a post on the bottom of the case... More
Patent Drawing of Engine - Atari game cabinet patent - . Public domain...
Patent schematic of a game cabinet housing two independently operable video games.
Patent Drawing of Engine - Atkinson-Gas-Engine-Exhaust Brown Public do...
Internal Atkinson-Gas-Engine Deutsch: Doppelkolbenmotor
Patent Drawing of Engine - Atkinson-Gas-Engine - . Public domain imag...
Internal Atkinson-Gas-Engine Deutsch: Doppelkolbenmotor
Patent drawing - Auto LAWKS iterations, - . Public domain image
These are different iterations of CRKTs AutoLAWKS mechanism.
Patent drawing - Autogyro flettner patent - . Public domain image
Image from Anton Flettner's autogyro patent
Patent drawing - Automatic Pitch Turbine - . Public domain image
Automatic pitch turbine
Patent drawing - Außenläufer Emil Ziehl Patentzeichnung Public domain ...
First External Rotor Motor by Emil Ziehl, patent drawing, US patent 662,484 (November 27, 1900). Deutsch: Patentzeichnung des ersten Außenläufermotors, US-Patent 662 484 (Electric Top For Gyroscopes) erteilt ... More
Patent Drawing of Engine - Axial piston pump US2956845 page 1 Public d...
Patent USPTO No. 2956845, drawing, page 1 (13), showing an axial piston pump, type swash plate, with spherical shaped piston heads and piston ring.
Patent drawing - Baby Comforter 1900 Public domain image
A US patent drawing from 1900 (cropped)
Patent drawing - Balance board rope-brake by Frederic G Ludwig.Fig 1 w...
The drawing is from the 1958 U.S. patent for a rocker-roller balance board designed by Frederic George Ludwig of Woodbridge, Connecticut. In the online database of the U.S. Patent and Trademark Office, the vers... More
Patent drawing - Balance board rope-brake by Frederic G Ludwig.Fig 1 P...
The drawing is from the 1958 U.S. patent for a rocker-roller balance board designed by Frederic George Ludwig of Woodbridge, Connecticut. In the online database of the U.S. Patent and Trademark Office, the vers... More
Patent drawing - Balance board rope-brake by Frederic G Ludwig Public ...
The drawing is from the 1958 U.S. patent for a rocker-roller balance board designed by Frederic George Ludwig of Woodbridge, Connecticut. In the online database of the U.S. Patent and Trademark Office, the vers... More
Patent drawing - Ballbarrow - . Public domain image
Diagram of a "ballbarrow"
Patent drawing - Balloon-catherter - . Public domain image
Balloon catheter
Patent drawing - Base bleed unit - . Public domain image
Diagram of a Base bleed unit. The top diagram shows the bottom of the shell and the location of the gas vent. The bottom diagram is a cut-away view showing the gas generator mechanism.
Patent drawing - BDORT-fig2 - . Public domain image
Fig. 2 from US Patent 5188107 http://v3.espacenet.com/textdoc?DB=EPODOC&IDX=US5188107
Patent drawing - Besser's patented concrete block making machine Publi...
Besser's patented concrete block making machine
Patent drawing - Betty Boop colored patent Public domain image
Here are the two original drawings that I colored and modified to make this one. Betty Boop character design, figure 1 from U.S. patent application D86224 "Design for a Doll or Similar Article". The original d... More
Patent drawing - Betty Boop in color - . Public domain image
This is a Public Domain Picture of Betty Boop from a website called https://wpclipart.com/cartoon/Betty_Boop.png.html.
Patent drawing - Betty Boop patent fig1 - . Public domain image
Here is a colored version of this drawing.Betty Boop character design, figure 1 from U.S. patent application D86224 "Design for a Doll or Similar Article". Svenska: Utseende för Betty Boop, figur 1 från ame... More
Patent drawing - Betty Boop patent fig2 - . Public domain image
Here is a colored version of this drawing.Betty Boop character design, figure 2 from U.S. patent application D86224 "Design for a Doll or Similar Article"
Patent drawing - BlackRoc Public domain image
PraeceptorIP (talk) 21:59, 18 February 2009 (UTC); drawing from patent involved in Anderson’s-Black Rock As a US patent drawing, this jpeg is not protected under US copyright law.
Patent drawing - Blok schem esu - . Public domain image
Čeština: Blokové schéma ESU.
Patent Drawing of Engine - BoardGamePatentMagie Public domain image
Drawing for a Game Board, 01/05/1904. Drawing for a Game Board, 01/05/1904. This is the printed patent drawing for a game board invented by Lizzie J. Magie. From the U.S. National Archives. Item from Record Gr... More
Patent drawing - Boeing 737 patent USD206035S Public domain image
Patent sketch Public domain scan of aircraft design drawing, technical diagram, free to use, no copyright restrictions image - Picryl description