Drilldown: Patents

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Patents > Tech fields : aerodynamics or automatic stability or propeller & Number of text pages: 2-3

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Applicant firm:
None (873) · Jacob Lohner & Co. (4) · Daimler-Motoren-Gesellschaft (4) · British and Colonial Aeroplane Co. (3) · Motorluftschiff Studiengesellschaft m.b.H (3) · Aktiebolaget Aviatorer (3) · Allgemeine Elektricitäts-Gesellschaft (2) · Moteurs Salmson (2) · Aéroplanes Morane-Saulnier (2) · Österreichische Daimler Motoren A. G. (2) · Westinghouse Electric & Manufacturing Company (2) · Gothaer Waggonfabrik A. G. (2) · E. Rumpler Luftfahrzeugbau G.m.b.H. (2) · Société Francolin, Gilet & Cie (2) · Société Antoinette (2) · Société R. Bourbeau et H. Devaux (2)
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National tech categories:
FR 6.4 (299) · None (188) · HU V/h (52) · AT 77d (40) · DE 77h.6 (29) · DE 77h.5 (17) · CH 129b (16) · FR 6.2 (13) · DE 77 (13) · USPC 244/66 (10) · FR 6.3 (10) · USPC 244/6 (8) · USPC 244/80 (8) · RU Group V (8) · USPC 244/51 (7) · USPC 244/35R (7) · USPC 244/30 (7) · DK 77 (7) · USPC 244/64 (7)
IPCs:
None (422) · IPC B64C17/00 (119) · IPC B64C1/00 (91) · IPC B64C39/00 (49) · IPC B64B1/00 (26) · IPC B64C11/00 (19) · IPC B64C23/00 (17) · IPC B64C11/16 (14) · IPC B64C3/38 (13) · IPC B64C3/00 (13) · IPC B64C13/00 (12) · IPC B64C17/06 (12) · IPC B64C3/54 (11) · IPC B64C11/20 (10) · IPC B64C3/14 (9) · IPC B64C11/04 (9) · IPC B64C35/00 (8) · IPC B63H1/12 (6) · IPC B64C3/48 (6) · IPC B64C33/02 (6)
First filing:
Citations from after 1930:
Number of text pages:
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