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Patents > Tech fields : Construction or centrifuge or propeller

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Inventor country:
US (500) · FR (483) · DE (274) · GB (217) · AT (71) · None (64) · IT (49) · HU (35) · CH (33) · BE (23) · CA (17) · RO (15) · NL (13) · AU (12) · NZ (10) · SE (10) · RU (9) · AH (7) · MX (6)
Applicant firm:
None (1600) · Jacob Lohner & Co. (15) · Rumpler-Werke G.m.b.H. in Berlin-Johannisthal (14) · British and Colonial Aeroplane Co. (7) · Société Anonyme des Établissements Nieuport (7) · Aktien-Gesellschaft R. Ph. Waagner - L. & J. Biró & A. Kurz (7) · Daimler-Motoren-Gesellschaft (6) · Curtiss Aeroplane (6) · Luft Fahrzeug G.m.b.H. (6) · Helix Propeller G.m.b.H. (5) · Aktiebolaget Aviatorer (5) · Rumpler-Werke A.-G. in Berlin-Johannisthal (5) · Luftschiffbau Schütte-Lanz (5)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Application number:
Granted:
Related to aircraft:
Assigned to:
None (1769) · Kawneer Manufacturing Company (4) · Moteurs Salmson (4) · Westinghouse Electric & Manufacturing Company (4) · Société Anonyme des Établissements Nieuport (3) · Curtiss Aeroplane & Motor Corporation (2)
IPCs:
None (984) · IPC B64C39/00 (80) · IPC B64C3/00 (77) · IPC B64B1/00 (61) · IPC B64C1/00 (52) · IPC B64C3/18 (37) · IPC B64C17/00 (33) · IPC B64C11/00 (27) · IPC B64C23/00 (26) · IPC B64B1/58 (24) · IPC B64C11/16 (22) · IPC B64C11/04 (21) · IPC B64C1/06 (17) · IPC B64C25/00 (16) · IPC B64C35/00 (16) · IPC B64C11/20 (14) · IPC B64C3/38 (13) · IPC B64C33/02 (13)
First filing:
Citations from after 1930:
Number of diagram pages:

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