Drilldown: Patents

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Patents > Patent agent: None & National tech categories : DE 77 or None

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Inventor country:
None (2454) · US (1031) · FR (909) · GB (582) · DE (424) · IT (62) · CA (48) · AT (48) · CH (39) · BE (35) · RU (28) · ES (26) · HU (21) · NO (21) · AU (18) · SE (17) · NZ (15) · NL (11) · Prussia (8)
Applicant firm:
None (5605) · Curtiss Aeroplane (39) · Vickers (16) · Société des Avions Louis Bréguet (9) · Dornier Metallbauten (9) · Établissements de Dion-Bouton (8) · Société anonyme Astra AB (8) · Motorluftschiff Studiengesellschaft m.b.H (7) · Tarbox Safety Aircraft Company (6) · Westinghouse Electric & Manufacturing Company (6) · Moteurs Salmson (4) · Société anonyme des Constructions Aériennes Rossel-Peugeot (4) · British and Colonial Aeroplane Co. (4) · Luft-Verkehrs-Gesellschaft m.b.H. (3) · Sopwith Aviation (3) · Société Antoinette (3) · Aktiebolaget Aviatorer (3)
Applicant is inventor:
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Assigned to:
None (5741) · Westinghouse Electric & Manufacturing Company (5) · 1 (5) · Moteurs Salmson (4) · Curtiss Aeroplane (3) · Dewey Corporation (2) · Westinghouse Air Spring Company (2) · Syracuse, NY (2) · Goodyear Tire and Rubber Company (2)
National tech categories: (Click arrow to add another value)
IPCs:
None (5471) · IPC B64C39/00 (24) · IPC B64C17/00 (22) · IPC B64C33/02 (18) · IPC B64C1/00 (17) · IPC B64B1/00 (17) · IPC B64C11/00 (15) · IPC B64C23/00 (13) · IPC B64C3/18 (12) · IPC B64B1/58 (12) · IPC B64C3/00 (10) · IPC B64C31/06 (9) · IPC B64B1/40 (9) · IPC B64B (8) · IPC B64C33/00 (8) · IPC B64C3/38 (8) · IPC B64C29/00 (7) · IPC B64C27/04 (7) · IPC B64C13/00 (6) · IPC B64C3/54 (6)
First filing:
Citations from after 1930:

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