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Patents > Tech fields : Hydroplane or control or navigation

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Inventor country:
US (466) · FR (442) · DE (209) · GB (198) · None (127) · IT (45) · AT (41) · CH (31) · BE (30) · HU (24) · CA (22) · AU (20) · ES (13) · RU (13) · AH (10) · NL (9) · RO (9) · BR (8) · Poland (8)
Applicant firm:
None (1593) · Sperry Gyroscope Company (9) · Motorluftschiff Studiengesellschaft m.b.H (9) · Curtiss Aeroplane (7) · British and Colonial Aeroplane Co. (7) · Jacob Lohner & Co. (6) · Siemens-Schuckert Werke GmbH (5) · Blackburn Aeroplane and Motor Co. (5) · E. Rumpler Luftfahrzeugbau G.m.b.H. (4) · Tarbox Safety Aircraft Company (4) · Grand Rapids Trust Company (3) · Curtiss Aeroplane and Motor Corporation (3) · Aéroplanes Morane-Saulnier (3)
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Application number:
Granted:
Related to aircraft:
Assigned to:
None (1647) · Sperry Gyroscope Company (7) · 1 (5) · Tarbox Safety Aircraft Company (4) · Grand Rapids Trust Company (3) · Curtiss Aeroplane & Motor Corporation (2) · Société Antoinette (2) · International Aeronautical Construction Company (2) · Curtiss Aeroplane and Motor Corporation (2) · Wright Company (2)
IPCs:
None (991) · IPC B64B1/00 (79) · IPC B64C13/00 (66) · IPC B64C17/00 (53) · IPC B64C39/00 (51) · IPC B64C1/00 (35) · IPC B64C35/00 (27) · IPC B64C33/02 (25) · IPC B64C3/38 (23) · IPC B64C23/00 (22) · IPC CPC B64C13/00 (19) · IPC B64B1/58 (18) · IPC B64C3/54 (15) · IPC B64C13/12 (15) · IPC B64B1/40 (13) · IPC B64C33/00 (13) · IPC B64C9/00 (12) · IPC B64C13/04 (12) · IPC B64B1/62 (12)
First filing:
Citations from after 1930:
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