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Patents > Tech fields : propeller or rudder or whole

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Inventor country:
US (549) · FR (293) · DE (234) · GB (171) · None (82) · AT (53) · IT (33) · CH (29) · HU (28) · AU (22) · CA (18) · BE (15) · NZ (12) · ES (10) · Poland (10) · AH (10) · MX (9) · RU (9) · NL (9)
Applicant firm:
None (1493) · Motorluftschiff Studiengesellschaft m.b.H (9) · Daimler-Motoren-Gesellschaft (8) · British and Colonial Aeroplane Co. (5) · E. Rumpler Luftfahrzeugbau G.m.b.H. (4) · Österreichische Daimler Motoren A. G. (3) · Kommanditgesellschaft Werner & Pfleiderer (3) · Luft-Verkehrs-Gesellschaft m.b.H. (3) · Rumpler-Werke G.m.b.H. in Berlin-Johannisthal (2) · Magyar Lloyd Repülőgép- és Mótorgyár-Részvénytársaság (2) · A Sociedade Estella Cessionaria de João Gouveia (2) · Kurt Fliegel Propellerbau G.m.b.H. (2) · Société anonyme Astra (2) · Rheinisch-Westfälische Sprengstoff-Aktien-Gesellschaft (2) · Rubber Balloon Company of America (2)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Application number:
Granted:
Related to aircraft:
Assigned to:
None (1529) · Goodyear Tire and Rubber Company (2) · Rubber Balloon Company of America (2)
IPCs:
None (1000) · IPC B64C39/00 (72) · IPC B64B1/00 (51) · IPC B64C17/00 (38) · IPC B64C1/00 (30) · IPC B64C13/00 (26) · IPC B64C23/00 (24) · IPC B64C11/00 (23) · IPC B64C33/02 (19) · IPC B64C11/16 (17) · IPC B64B1/58 (14) · IPC B64C9/00 (13) · IPC B64C33/00 (11) · IPC B64C3/38 (10) · IPC B64C11/20 (8) · IPC B64C27/04 (8) · IPC B64C3/56 (8) · IPC B64C35/00 (8)
First filing:
Citations from after 1930:
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