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Patents > National tech categories : DE 77h or USPC 244/22 or USPC 244/90R or None

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Inventor country:
None (2575) · US (1803) · FR (1376) · GB (1247) · DE (636) · IT (105) · AT (92) · CH (72) · CA (68) · BE (57) · RU (44) · AU (40) · HU (33) · ES (32) · NZ (32) · SE (22) · NO (21) · NL (16) · RO (16)
Applicant firm:
None (7867) · Curtiss Aeroplane (58) · Blackburn Aeroplane and Motor Co. (19) · Vickers (18) · British and Colonial Aeroplane Co. (13) · Motorluftschiff Studiengesellschaft m.b.H (12) · Sperry Gyroscope Company (11) · Dornier Metallbauten (9) · Société des Avions Louis Bréguet (9) · Société anonyme Astra AB (8) · Établissements de Dion-Bouton (8) · Sopwith Aviation Company Limited (7) · Westinghouse Electric & Manufacturing Company (6) · Varioplane Company (6) · Curtiss Aeroplane and Motor Corporation (6) · Tarbox Safety Aircraft Company (6) · Société Anonyme des Établissements Nieuport (6) · Société anonyme des Constructions Aériennes Rossel-Peugeot (6) · Société Antoinette (5) · Siemens-Schuckert-Werke G.m.b.H. (5)
Applicant is inventor:
Granted:
Assigned to:
None (8136) · 1 (30) · Sperry Gyroscope Company (10) · Curtiss Aeroplane (6) · Westinghouse Electric & Manufacturing Company (4) · Moteurs Salmson (4) · Varioplane Company (3) · Goodyear Tire and Rubber Company (3) · Curtiss Aeroplane and Motor Corporation (3) · Westinghouse Air Spring Company (2) · Syracuse, NY (2) · Société Anonyme des Établissements Nieuport (2) · Magneso Calcite Fire-Proof Company (2) · Dewey Corporation (2) · Curtiss Aeroplane & Motor Corporation (2) · John A. Roebling's Sons (2)
National tech categories: (Click arrow to add another value)
First filing:
Cites these patents:
None (8200) · 1 (5) · CPC B64B1/00 (3) · USPC 244/87 (3) · USPC 244/48 (2) · Patent GB-1909-8118 (2) · Patent FR-1909-411204 (2) · Patent GB-1909-3202 (2) · Patent GB-1914-23502 (2) · Patent GB-1913-5223 (2) · Patent GB-1912-5966 (2) · Patent GB-1901-346 (2) · Patent GB-1912-15735 (2) · 0 (2) · USPC 244/26 (2)
Citations from after 1930:

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