Drilldown: Patents

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Patents > Year granted: 1920 - 1929 & IPCs: None

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Applicant firm:
None (349) · Curtiss Aeroplane (21) · Luftschiffbau Schütte-Lanz (6) · Société des Avions Louis Bréguet (5) · Luft-Verkehrs-Gesellschaft m.b.H. (4) · Österreichische Daimler Motoren A. G. (4) · Gesellschaft für Apparatenbau A. R. Ahrent und P. Heylandt G.m.b.H. (3) · Allgemeine Elektricitäts-Gesellschaft (3) · Luftfahrzeugbau Schütte-Lanz (3) · Tarbox Safety Aircraft Company (3) · Daimler Motoren-Gesellschaft (3) · Magyar Lloyd Repülőgép- és Mótorgyár-Részvénytársaság (3) · Gothaer Waggonfabrik A. G. (3)
Applicant is inventor:
Tech fields:
None (307) · airplane (58) · frame (25) · design (22) · subsystem (21) · construction (20) · wings (16) · propellers (15) · propeller (14) · military (13) · propulsion (12) · airship (11) · aerodynamics (11) · stability (11) · LTA (10) · motors (10) · Biplane (9)
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Supplementary to patent:
None (376) · Patent CA-1918-192493 (3) · Patent DE-1919-319462 (2)
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CPCs:
None (117) · CPC B64C39/00 (26) · CPC B64C3/00 (25) · CPC B64C2700/6295 (23) · CPC B64C17/00 (23) · CPC B64C2700/6233 (17) · CPC B64C13/00 (15) · CPC B64C23/005 (15) · CPC B64C2700/6256 (13) · CPC B64C2700/6212 (12) · CPC B64C11/04 (11) · CPC B64C2700/6274 (9) · CPC B64B1/00 (8) · CPC B64C35/00 (8) · CPC B64C2700/6235 (8) · CPC B62C5/04 (8) · CPC B64C3/185 (8) · CPC B64C3/385 (8) · CPC B64C2001/0081 (8) · CPC B64C1/00 (8)
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Cites these patents:
Citations from after 1930:
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