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Patents > National tech categories : USPC 244/30 or None

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Inventor country:
None (2583) · US (1719) · FR (1379) · GB (1220) · DE (580) · IT (106) · AT (89) · CH (68) · CA (65) · BE (56) · RU (45) · AU (38) · HU (32) · ES (32) · NZ (31) · SE (22) · NO (21) · RO (16) · NL (16) · IE (15)
Applicant firm:
None (7721) · Curtiss Aeroplane (55) · Blackburn Aeroplane and Motor Co. (19) · Vickers (18) · British and Colonial Aeroplane Co. (13) · Motorluftschiff Studiengesellschaft m.b.H (10) · Société des Avions Louis Bréguet (9) · Dornier Metallbauten (9) · Société anonyme Astra AB (8) · Établissements de Dion-Bouton (8) · Sopwith Aviation Company Limited (7) · Westinghouse Electric & Manufacturing Company (6) · Varioplane Company (6) · Tarbox Safety Aircraft Company (6) · Sperry Gyroscope Company (6) · Curtiss Aeroplane and Motor Corporation (6) · Société Anonyme des Établissements Nieuport (6) · Société anonyme des Constructions Aériennes Rossel-Peugeot (6) · Siemens-Schuckert-Werke G.m.b.H. (5) · Société Antoinette (5)
Applicant is inventor:
Granted:
Assigned to:
None (7978) · 1 (31) · Sperry Gyroscope Company (6) · Westinghouse Electric & Manufacturing Company (4) · Moteurs Salmson (4) · Curtiss Aeroplane and Motor Corporation (3) · Varioplane Company (3) · Curtiss Aeroplane (3) · Goodyear Tire and Rubber Company (3) · Syracuse, NY (2) · Société Anonyme des Établissements Nieuport (2) · Magneso Calcite Fire-Proof Company (2) · Curtiss Aeroplane & Motor Corporation (2) · Westinghouse Air Spring Company (2) · John A. Roebling's Sons (2) · Dewey Corporation (2)
National tech categories: (Click arrow to add another value)
First filing:
Cites these patents:
None (8035) · 1 (5) · USPC 244/87 (3) · CPC B64B1/00 (3) · Patent GB-1909-8118 (2) · Patent FR-1909-411204 (2) · Patent GB-1901-346 (2) · Patent GB-1912-15735 (2) · Patent GB-1912-5966 (2) · USPC 244/26 (2) · Patent GB-1913-5223 (2) · Patent GB-1914-23502 (2) · USPC 244/48 (2) · 0 (2)
Citations from after 1930:

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