Category:PD images from US patents

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Media in category "PD images from US patents"

The following 200 files are in this category, out of 1,628 total.

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001 beaumont1856patent.jpg 3,408 × 2,320; 523 KB
001 starr1860patent.jpg 2,320 × 3,408; 655 KB
001 Sundback zipper 1917 patent (cropped).jpg 932 × 1,545; 165 KB
001 Sundback zipper 1917 patent.jpg 1,704 × 2,640; 458 KB
10NES patent US4799635.pdf 1,158 × 1,702, 18 pages; 1.23 MB
1255517 Starting and current supplying system for automobiles.png 2,320 × 3,408; 150 KB
1521030.gif 841 × 1,305; 36 KB
1892 wobble board precursor by William Madsen.png 3,060 × 1,943; 168 KB
1915 Kendall US1330471 Fig2.PNG 297 × 338; 25 KB
1923 wobble board precursor by Robert B. McWhirter.tiff 2,320 × 3,408; 47 KB
1925 wobble board precursor by Albert C. Wendelken.tiff 2,320 × 3,408; 43 KB
1935 Zaparka airfoil control microflap patent.png 1,547 × 777; 39 KB
1951 wobble board precursor by Samuel L. Jordan.png 1,955 × 2,897; 111 KB
19560731 Bowling pin-setting mechanism - U. S. Patent 2,757,000.png 1,641 × 3,260; 658 KB
1977 joystick schematic.PNG 2,320 × 3,408; 225 KB
1981 Glaser Bender fig 2.jpg 506 × 434; 23 KB
1983 Arcade cabinet patent 1.png 3,408 × 2,320; 45 KB
1983 Arcade cabinet patent 2.png 3,408 × 2,320; 39 KB
1986 Hennessey String Bender.jpg 329 × 464; 23 KB
2,208,605 Bowling pin setting apparatus - patent.png 1,140 × 1,000; 499 KB
2140946 SWARTZ drawing.png 1,160 × 1,704; 465 KB
248565-Webermeter.png 1,663 × 1,588; 201 KB
39M-Patent.jpg 650 × 650; 103 KB
3D Computer Vision.jpg 554 × 634; 44 KB
4263517 High voltage direct current system 01.svg 1,212 × 726; 101 KB
4263517 High voltage direct current system.png 970 × 581; 48 KB
454622.png 481 × 428; 41 KB
613809-teslaRotatingCoherer.png 293 × 206; 7 KB
73753per.gif 400 × 245; 5 KB
84244 2 patent4.jpg 350 × 492; 49 KB
84244 3 patent2.jpg 350 × 537; 50 KB
84244 5 patent3.jpg 350 × 533; 49 KB
84244 6 patent.jpg 350 × 531; 48 KB
A. Baldwin Wood US1345655-1.png 1,746 × 2,708; 838 KB
A.D.Blumlein US patent 2185367 - long-tailed pair.png 954 × 968; 57 KB
Abdominal supporterUSpatent176895 1876.png 1,368 × 1,820; 122 KB
Accordina drawing from US Patent 2461806.png 1,305 × 1,083; 42 KB
Additron Tube schematic.png 994 × 654; 134 KB
Adhesive patent3.tif 1,634 × 1,726; 195 KB
Aerial Camera.png 616 × 605; 39 KB
Aircraft Safety Belt.png 752 × 305; 10 KB
Airliftpump1.PNG 476 × 558; 29 KB
AirMotionTransformer.png 506 × 361; 15 KB
Airport crash tender.png 773 × 362; 84 KB
Albert Baldwin Wood01.jpg 2,701 × 1,658; 1.73 MB
Albert Baldwin Wood02.jpg 810 × 533; 106 KB
Alexander Graham Bell's Telephone Patent Drawing and Oath - NARA - 302052 (page 2).jpg 864 × 1,200; 150 KB
Allin Conv Trapdoor Patent-49959 horizontal.jpg 990 × 1,120; 212 KB
Amiga 1000 patent.pdf 1,158 × 1,702, 10 pages; 1.06 MB
Amusement ride with vertical track loop - figure 1.jpg 2,234 × 608; 175 KB
Analog clock with digital display.png 500 × 435; 51 KB
Anderson Window Cleaning Device 1903.png 2,320 × 3,408; 150 KB
Aniform example.png 778 × 936; 174 KB
Ankle-foot-orthosis.png 500 × 683; 60 KB
Antisense riboregulator.jpg 508 × 632; 44 KB
Apparatur für Formaldehyd.jpg 507 × 615; 71 KB
Apple III patent USD268584.pdf 1,158 × 1,702, 4 pages; 168 KB
Apple Monitor III patent USD273191.pdf 1,158 × 1,702, 3 pages; 115 KB
Arcade cabinet patent image.png 2,320 × 3,408; 62 KB
AroCase.jpg 498 × 395; 61 KB
Arthur Pons Apparatus Image From Patent 1023756.png 1,725 × 1,437; 31 KB
Arthur William Chapman Apparatus.png 1,641 × 2,770; 75 KB
Artificial Womb.png 1,689 × 2,768; 147 KB
Atari 2600 design patent.pdf 1,158 × 1,702, 3 pages; 155 KB
Atari 2600 schematic.png 2,320 × 3,408; 89 KB
Atari 5200 Joystick schematic.png 2,320 × 3,408; 79 KB
Atari cartridge patent drawing.png 2,320 × 3,408; 86 KB
Atari CX40 exploded view.tif 783 × 1,290; 369 KB
Atari CX40 joystick being moved.tif 757 × 567; 191 KB
Atari game cabinet patent.png 2,320 × 3,408; 72 KB
Atkinson-Gas-Engine-Exhaust Brown.png 2,184 × 1,184; 109 KB
Atkinson-Gas-Engine.png 2,184 × 1,184; 81 KB
Auto LAWKS iterations,.gif 2,560 × 3,300; 71 KB
Autogyro flettner patent.png 593 × 732; 42 KB
Automatic Pitch Turbine.jpg 1,275 × 1,650; 88 KB
Außenläufer Emil Ziehl Patentzeichnung.png 1,850 × 2,150; 75 KB
Axial piston pump US2956845 page 1.png 1,904 × 2,736; 104 KB
Axonometric example.gif 1,092 × 708; 167 KB
Baby Comforter 1900.jpg 462 × 1,207; 173 KB
Bakelite Patent US942699.pdf 1,158 × 1,702, 3 pages; 201 KB
Balance board rope-brake by Frederic G Ludwig.Fig 1 w heading.PNG 1,490 × 1,766; 58 KB
Balance board rope-brake by Frederic G Ludwig.Fig 1.PNG 1,078 × 1,412; 43 KB
Balance board rope-brake by Frederic G Ludwig.TIF 2,320 × 3,408; 31 KB
Ballbarrow.png 2,276 × 1,312; 89 KB
Balloon-catherter.png 500 × 768; 36 KB
Base bleed unit.png 171 × 431; 24 KB
BDORT-fig2.png 647 × 232; 7 KB
Besser's patented concrete block making machine.gif 1,140 × 1,504; 455 KB
Betty Boop colored patent.png 427 × 515; 99 KB
Betty Boop in color.png 291 × 600; 49 KB
Betty Boop patent fig1.jpg 604 × 1,190; 60 KB
Betty Boop patent fig2.jpg 549 × 1,188; 48 KB
BlackRoc.jpg 400 × 108; 14 KB
Blinds patent John Hampson of New Orleans 1841 diagram.png 869 × 1,305; 379 KB
Blinds patent John Hampson of New Orleans 1841.pdf 1,158 × 1,702, 2 pages; 156 KB
Blok schem esu.JPG 756 × 441; 37 KB
BoardGamePatentMagie.png 1,805 × 2,809; 177 KB
Boeing 737 patent USD206035S.jpg 1,014 × 676; 86 KB
Boom method by Tajima pipet.jpg 942 × 400; 96 KB
Bordina's bifacial solar cell patent.jpg 700 × 561; 97 KB
Bosom padUSpatent404881 1888a.png 761 × 785; 37 KB
Bosom padUSpatent404881 1888b.gif 764 × 412; 22 KB
Bosom padUSpatent404881 1888c.gif 769 × 780; 33 KB
Bosom padUSpatent404881 1888d.gif 771 × 790; 27 KB
Bosom-padsUSpatent143921 1873.png 1,284 × 970; 38 KB
Bourke Engine four Cylinder-Color.png 3,104 × 3,016; 1.17 MB
Bourke Eninge four Cylinder.png 3,104 × 3,016; 1.15 MB
Bra.png 351 × 505; 21 KB
Bra2.png 550 × 392; 16 KB
Brannock uspat1725334-fig1.png 1,665 × 2,599; 578 KB
BRAT concept 1959.png 400 × 365; 20 KB
Braun Radiant Energy US750429.png 746 × 1,118; 19 KB
Breese oil burner.jpg 1,600 × 2,650; 845 KB
Briggs or Tjaarda car Patent Application Drawing 5.jpg 914 × 608; 172 KB
Brooks ice auger patent drawings 1932-retouched.png 287 × 729; 40 KB
Brooks ice auger patent drawings 1932.jpg 287 × 729; 77 KB
Brown truss patent drawing image crop.png 750 × 1,250; 52 KB
Brunswick SAW machine gun 1974.png 2,130 × 614; 63 KB
BubbleLightPatent.png 586 × 979; 10 KB
Bucklingspring1-o.svg 360 × 381; 25 KB
Bullworker X5 from patent.png 2,133 × 2,501; 61 KB
Bump gate from patent.gif 2,156 × 1,360; 85 KB
BunkerOpener.JPG 523 × 429; 47 KB
Burton & Mackin guidance system concept 1959.png 267 × 233; 13 KB
Burton & Mackin guided missile concept 1959.png 603 × 345; 31 KB
Bussard 2.png 1,296 × 852; 56 KB
Bussard.png 1,423 × 779; 137 KB
BustleUSpatent25854 1859.png 1,526 × 1,616; 53 KB
Cage-less Recirculating Roller Screw.jpg 799 × 1,080; 257 KB
CalculatingMachinePatentBurroughs.jpg 838 × 1,200; 208 KB
Cam lock patent 1.png 2,320 × 3,408; 52 KB
Cambell filter.png 724 × 178; 8 KB
Cameron EVO BOP Patent (Stack).jpg 1,440 × 1,728; 345 KB
Cameron EVO BOP Patent.jpg 2,000 × 1,606; 466 KB
Cameron Ram-type Blowout Preventer (1922) - plan view.jpg 2,601 × 1,730; 374 KB
Cameron Ram-type Blowout Preventer (1922).jpg 2,026 × 1,493; 686 KB
Cardiac pacer with sold-state power source.jpg 5,832 × 3,270; 5.76 MB
Catheter needle and method for its manufacture - patent drawing page 1.png 2,320 × 3,408; 65 KB
Catheter needle and method for its manufacture - patent drawing page 2.png 2,320 × 3,408; 85 KB
Catheter needle and method for its manufacture - patent drawing page 3.png 3,408 × 2,320; 67 KB
Cathode ray tube amusement device - schematic.jpg 3,252 × 2,324; 641 KB
CentralNodeStenographBartholomew.svg 956 × 674; 51 KB
Chain Rammer Patent.jpg 1,548 × 1,008; 333 KB
Charles F Brush signature.jpg 625 × 116; 26 KB
Chastity belt Heyser 0.png 1,024 × 963; 313 KB
Chastity belt Heyser 1.png 768 × 1,128; 250 KB
Chastity belt Heyser 2.png 768 × 1,128; 249 KB
Chastity belt Heyser 3.png 768 × 1,128; 203 KB
Chastity belt Heyser 4.png 768 × 1,128; 650 KB
Chastity belt Heyser 5.png 768 × 1,128; 732 KB
Chastity belt Heyser 6.png 768 × 1,128; 101 KB
Chichester USP310382 1885 01 09.jpg 2,417 × 1,410; 547 KB
Child's platform on springs by Campbell in 1922.png 1,810 × 2,782; 116 KB
Chromogenic Figure US2113329A.png 1,382 × 518; 151 KB
CipherTypewriter1.jpg 611 × 816; 87 KB
CipherTypewriter2.jpg 587 × 820; 89 KB
CipherTypewriter3.jpg 589 × 806; 74 KB
CipherTypewriter4.jpg 586 × 817; 83 KB
CipherTypewriter5.jpg 604 × 838; 58 KB
CipherTypewriter6.jpg 587 × 828; 127 KB
CipherTypewriter7.jpg 545 × 808; 75 KB
Clarke 1.pdf 1,275 × 1,650; 95 KB
Climax Lokomotive A-Klasse US423720.png 780 × 542; 257 KB
Climax Lokomotive A-Klasse US488484.png 712 × 405; 175 KB
Climax Lokomotive B-Klasse US455154-0.png 2,204 × 926; 57 KB
Climax Lokomotive nach Gilbert.png 749 × 506; 247 KB
Climax-Lokomotive A-Klasse nach C D Scott US488484.png 713 × 417; 175 KB
Coanda 1911 patent.jpg 719 × 1,106; 149 KB
Coherer Rcvr.jpg 865 × 664; 46 KB
Collection of United States patents granted to Thomas A. Edison, 1869-1884 (1869) (14570102659).jpg 2,420 × 2,910; 435 KB
Colpitts Osz Patent Fig2.png 859 × 668; 13 KB
Colt Model 1902 Patent.jpg 3,128 × 1,664; 710 KB
Combine parts.jpg 1,474 × 823; 161 KB
Combover patent.jpg 450 × 626; 29 KB
Commodore MAX Machine patent.pdf 1,158 × 1,702, 2 pages; 97 KB
Compound 3,4-DCPA claimed in US Pat No. 3,382,280.gif 703 × 272; 3 KB
Computer-type Golf Game.png 2,320 × 3,408; 76 KB
Consolidated MS.png 1,288 × 796; 139 KB
Construction of walls - US patent 744374.png 2,320 × 3,408; 67 KB
Continuous casting Junghans patent US2135183 and US2135184.png 1,027 × 996; 73 KB
Continuous casting Junghans patent US2135184.png 1,659 × 1,575; 209 KB
Continuous casting Rossi patent US2564723.png 1,516 × 1,854; 129 KB
Continuous casting Williams patent US2284503.png 1,504 × 2,176; 108 KB
Control Line UAV.jpg 400 × 363; 20 KB
COP patent 4407085.png 385 × 316; 27 KB
Corset us188007.png 989 × 1,498; 67 KB
Coulter geometries.png 526 × 864; 293 KB
CradlePatent.gif 239 × 344; 9 KB
Crazy tax us patent 6200138.jpg 1,784 × 1,425; 210 KB
Cross-flow fan schematic patent.png 1,359 × 1,037; 23 KB
CT US4115698 Fig1.jpg 428 × 561; 33 KB
Cucumber Sandwich.gif 271 × 389; 36 KB
Currette.png 500 × 302; 21 KB
Cutler DPCM patent.png 784 × 378; 31 KB
Cyclotron patent.png 1,598 × 862; 45 KB
D-40 Cannonball diagram.png 1,037 × 1,362; 610 KB
D-40 Cannonball Guided Missile.png 1,061 × 1,349; 442 KB
Damadian invention.jpg 640 × 388; 97 KB
Dardick open chamber gun pat US2847784 fig2.png 517 × 672; 67 KB
Darrieus rotor patent drawing.png 734 × 499; 16 KB

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