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Patents > Tech fields : Airplane or control & Number of claims: 4-90

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Inventor country:
US (403) · GB (160) · FR (154) · DE (101) · AT (45) · HU (33) · AU (31) · IT (20) · CA (17) · RO (14) · BE (12) · RU (12) · CH (10) · None (10) · NZ (7) · AH (5) · NL (5) · IE (5) · EG (4)
Applicant firm:
None (877) · Curtiss Aeroplane (10) · Jacob Lohner & Co. (9) · Luft-Verkehrs-Gesellschaft m.b.H. (8) · British and Colonial Aeroplane Co. (7) · Vickers Limited (5) · Blackburn Aeroplane and Motor Co. (5) · Curtiss Aeroplane and Motor Corporation (4) · Sopwith Aviation Company Limited (4) · Tarbox Safety Aircraft Company (4) · Sperry Gyroscope Company (3) · Blair Atholl Aeroplane Syndicate (3) · Curtiss Aeroplane & Motor Corporation (3) · Daimler Motoren-Gesellschaft (3) · Aktiebolaget Aviatorer (3)
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Assigned to:
None (956) · Curtiss Aeroplane (4) · Curtiss Aeroplane and Motor Corporation (4) · Sperry Gyroscope Company (3) · Haskelite Manufacturing Corporation (2) · Wright Company (2) · Grand Rapids Trust Company (2)
National tech categories:
None (347) · FR 6.4 (169) · HU V/h (95) · AT 77d (21) · AU 90.3 (19) · USPC 244/90R (18) · USPC 244/80 (15) · USPC 244/45R (14) · USPC 244/233 (14) · CH 129b (14) · DE 77h.5 (13) · AU 90.5 (12) · USPC 244/48 (11) · USPC 244/234 (10) · USPC 244/46 (9) · USPC 244/35R (9) · USPC 244/22 (9) · USPC 244/6 (8)
IPCs:
None (537) · IPC B64C1/00 (65) · IPC B64C17/00 (65) · IPC B64C39/00 (62) · IPC B64C13/00 (39) · IPC B64C3/38 (23) · IPC B64C3/00 (21) · IPC B64C23/00 (20) · IPC B64C17/06 (14) · IPC B64C25/00 (12) · IPC B64C13/12 (9) · IPC B64C3/54 (9) · IPC B64C3/48 (9) · IPC B64C35/00 (9) · IPC B64C33/00 (9) · IPC B64C3/52 (8) · IPC B64B1/00 (8) · IPC B64C33/02 (7)
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Citations from after 1930:

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