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Patents > Tech fields : Hybrid or construction or propeller

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Inventor country:
FR (599) · US (592) · DE (319) · GB (239) · AT (82) · None (77) · BE (74) · IT (59) · HU (46) · CH (33) · CA (23) · RO (17) · RU (16) · AU (15) · NL (13) · SE (10) · NZ (10) · AH (8) · IE (7)
Applicant firm:
None (1938) · A. Wunderlich & Cie, Ingénieurs-Conseils (32) · Jacob Lohner & Co. (15) · Rumpler-Werke G.m.b.H. in Berlin-Johannisthal (14) · Curtiss Aeroplane (7) · British and Colonial Aeroplane Co. (7) · Aktien-Gesellschaft R. Ph. Waagner - L. & J. Biró & A. Kurz (7) · Société Anonyme des Établissements Nieuport (7) · Luft Fahrzeug G.m.b.H. (7) · Daimler-Motoren-Gesellschaft (6) · Rumpler-Werke A.-G. in Berlin-Johannisthal (5) · Aktiebolaget Aviatorer (5) · Helix Propeller G.m.b.H. (5) · Alphonse Tellier et Cie (5) · E. Rumpler Luftfahrzeugbau G.m.b.H. (5) · Luftschiffbau Schütte-Lanz (5)
Applicant is inventor:
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Application number:
Granted:
Related to aircraft:
Assigned to:
None (2146) · Kawneer Manufacturing Company (4) · Curtiss Aeroplane and Motor Corporation (4) · Moteurs Salmson (4) · Westinghouse Electric & Manufacturing Company (4) · Curtiss Aeroplane & Motor Corporation (3) · Société Anonyme des Établissements Nieuport (3)
IPCs:
None (1196) · IPC B64B1/00 (96) · IPC B64C39/00 (91) · IPC B64C3/00 (79) · IPC B64C1/00 (55) · IPC B64C23/00 (51) · IPC B64C17/00 (38) · IPC B64C3/18 (37) · IPC B64C35/00 (32) · IPC B64B1/58 (31) · IPC B64C11/00 (30) · IPC B64C27/04 (26) · IPC B64C33/02 (23) · IPC B64C11/04 (22) · IPC B64C11/16 (22) · IPC B64C33/00 (18) · IPC B64C25/00 (18) · IPC B64C1/06 (17) · IPC B64C3/38 (16) · IPC B64C11/20 (14)
First filing:
Citations from after 1930:
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