Drilldown: Patents

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Patents > Tech fields : Subsystem or helicopter or rudder

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Inventor country:
US (371) · FR (250) · DE (215) · GB (132) · None (53) · HU (53) · AT (38) · BE (36) · CH (33) · IT (20) · AU (16) · NL (13) · RU (12) · CA (10) · ES (10) · MC (8) · AH (8) · RO (5) · DK (5)
Applicant firm:
None (1157) · Société Antoinette (10) · Motorluftschiff Studiengesellschaft m.b.H (9) · Luft-Verkehrs-Gesellschaft m.b.H. (8) · British and Colonial Aeroplane Co. (5) · Rumpler-Werke G.m.b.H. in Berlin-Johannisthal (4) · Siemens-Schuckert Werke GmbH (4) · Tarbox Safety Aircraft Company (4) · Luftschiffbau Zeppelin (3) · E. Rumpler Luftfahrzeugbau G.m.b.H. (3) · Peugeot, Tony Huber, et Cie (3)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Application number:
Granted:
Related to aircraft:
Assigned to:
None (1228) · 1 (3) · Sperry Gyroscope Company (2)
IPCs:
None (738) · IPC B64C17/00 (45) · IPC B64C27/04 (38) · IPC B64C39/00 (36) · IPC B64C1/00 (35) · IPC B64B1/00 (25) · IPC B64C13/00 (22) · IPC B64C23/00 (20) · IPC B64C33/02 (17) · IPC B64C11/00 (15) · IPC B64C3/00 (15) · IPC B64B1/58 (12) · IPC B64C35/00 (10) · IPC B64C27/00 (9) · IPC B64C3/54 (8) · IPC CPC B64C13/00 (7) · IPC B64C11/04 (7)
First filing:
Citations from after 1930:

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