Drilldown: Patents

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Patents > Tech fields : dirigible or navigation or propellers

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Inventor country:
FR (528) · US (474) · DE (259) · GB (187) · None (159) · BE (82) · HU (70) · AT (65) · IT (47) · CH (29) · CA (24) · AH (16) · AU (15) · RO (15) · ES (14) · RU (12) · MX (12) · Poland (11) · BR (9) · NL (9)
Applicant firm:
None (1864) · A. Wunderlich & Cie, Ingénieurs-Conseils (36) · Motorluftschiff Studiengesellschaft m.b.H (9) · Sperry Gyroscope Company (8) · Societe Anonyme Astra (6) · British and Colonial Aeroplane Co. (6) · Daimler Motoren-Gesellschaft (5) · Tarbox Safety Aircraft Company (4) · Jacob Lohner & Co. (4) · Siemens-Schuckert Werke GmbH (4) · E. Rumpler Luftfahrzeugbau G.m.b.H. (4) · Aéroplanes Morane-Saulnier (3) · Westinghouse Electric & Manufacturing Company (3) · Société Antoinette (3)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Application number:
Granted:
Related to aircraft:
Assigned to:
None (1948) · Sperry Gyroscope Company (6) · 1 (5) · Tarbox Safety Aircraft Company (4) · Westinghouse Electric & Manufacturing Company (3) · Société Antoinette (2) · International Aeronautical Construction Company (2)
IPCs:
None (1244) · IPC B64B1/00 (129) · IPC B64C39/00 (64) · IPC B64C11/00 (49) · IPC B64B1/58 (34) · IPC B64C23/00 (31) · IPC B64C1/00 (21) · IPC B64C33/02 (20) · IPC B64C17/00 (18) · IPC B64C11/20 (17) · IPC B64B1/62 (15) · IPC B64C27/04 (15) · IPC CPC B64C13/00 (14) · IPC B64C11/16 (14) · IPC B64C3/38 (14) · IPC B64B1/40 (13) · IPC B64C11/04 (13) · IPC B64C13/00 (11) · IPC B64C3/52 (11)
First filing:
Cites these patents:
None (1990) · 0 (3) · 1 (2) · Patent AT-1909-47911 (2) · Patent FR-1911-438363 (2)
Citations from after 1930:
Number of diagram pages:

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