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Patents > Tech fields : buoyancy or stability

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Inventor country:
FR (521) · US (415) · DE (155) · GB (150) · HU (48) · IT (46) · AT (38) · None (34) · BE (32) · RU (22) · CH (15) · CA (15) · AU (14) · NO (11) · NZ (8) · VN (7) · DK (7) · ES (7) · DZ (6)
Applicant firm:
None (1477) · Motorluftschiff Studiengesellschaft m.b.H (6) · Ateliers d'aviation Louis Bréguet (5) · Tarbox Safety Aircraft Company (4) · Société Antoinette (4) · Macy Engineering Company (4) · J. Schweitzer et Cie (3) · Luft-Verkehrs-Gesellschaft m.b.H. (3) · Jacob Lohner & Co. (3) · British and Colonial Aeroplane Co. (3) · Hensel Aero Stabilizer Company (2) · Curtiss Aeroplane and Motor Corporation (2) · Blair Atholl Aeroplane Syndicate (2) · Sperry Gyroscope Company (2) · Siemens-Schuckert Werke GmbH (2) · Société Anonyme Astra (2)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Application number:
Granted:
Related to aircraft:
Assigned to:
None (1498) · 1 (3) · Goodyear Tire and Rubber Company (3) · Curtiss Aeroplane and Motor Corporation (2) · (1/4) (2) · Hensel Aero Stabilizer Company (2)
IPCs:
None (663) · IPC B64C17/00 (358) · IPC B64C1/00 (278) · IPC B64C39/00 (64) · IPC B64C17/06 (52) · IPC B64B1/00 (39) · IPC B64C13/00 (28) · IPC B64C3/38 (23) · IPC B64C35/00 (19) · IPC B64B1/40 (18) · IPC B64C23/00 (16) · IPC B64B1/58 (14) · IPC B64C33/00 (12) · IPC B64C3/54 (12) · IPC B64C3/00 (11) · IPC B64C33/02 (9) · IPC CPC B64C13/00 (8) · IPC B64C31/06 (8) · IPC B64C9/00 (8) · IPC B64C3/14 (8)
CPCs:
CPC B64C17/00 (437) · None (372) · CPC B64C2700/6218 (150) · CPC B64C2700/6212 (78) · CPC B64C13/00 (77) · CPC B64C2700/6295 (65) · CPC B64C17/06 (63) · CPC B64C39/00 (47) · CPC B64B1/00 (46) · CPC B64C2700/6214 (45) · CPC B64C2700/6216 (43) · CPC B64C3/385 (38) · CPC B64C23/005 (33) · CPC B64C1/00 (30) · CPC B64C2700/6219 (25) · CPC B64B1/40 (25) · CPC B64C2700/6256 (24) · CPC B64C35/00 (20) · CPC B64C33/02 (17) · CPC B64C3/14 (17)
First filing:
Citations from after 1930:

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