Drilldown: Patents

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Patents > Year granted: 1920 - 1929 & Inventor location: None

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Inventor country:
Inventor location: (Click arrow to add another value)
Applicant firm:
None (520) · Curtiss Aeroplane (21) · Société Anonyme des Établissements Nieuport (8) · AGO Flugzeugwerke G. m. b. H. (6) · Luftschiffbau Schütte-Lanz (6) · Westinghouse Electric & Manufacturing Company (5) · Sperry Gyroscope Company (5) · Mercur Flugzeugbau (5) · Zeppelin-Werke G.m.b.H. (5) · Moteurs Salmson (5) · Gothaer Waggonfabrik A. G. (4) · Rumpler-Werke G.m.b.H. in Berlin-Johannisthal (4) · Allgemeine Elektricitäts-Gesellschaft (4) · Société des Avions Louis Bréguet (4) · Österreichische Daimler Motoren A. G. (4)
Applicant is inventor:
Full specification filed date:
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Supplementary to patent:
None (582) · Patent FR-1916-501550 (8) · Patent US-1918-1589780 (3) · Patent FR-1917-504302 (3) · Patent FR-1916-502839 (3) · Patent CA-1918-192493 (2) · Patent GB-1917-126391 (2) · Patent FR-1917-493342 (2) · Patent FR-1915-525800 (2) · Patent FR-1915-502520 (2) · Patent DE-1921-384750 (2) · Patent DE-1917-305040 (2) · Patent DE-1916-332540 (2) · Patent DE-1915-300200 (2) · Patent CA-1918-196108 (2) · Patent DE-1919-319462 (2)
Related to aircraft:
Patent agent:
None (460) · John P. Tarbox (22) · None (22) · Armengaud jeune (12) · M. Zerolo (8) · Dony and Lejeune (7) · Herbert H. Thompson (7) · J. Germain (6) · Société G. Breton, P. Audy, J. Rousset, A. Vergé (6) · Marks & Clerk (6) · Paul Blum (6) · Munn & Co. (4) · Dupont et Elluin (4) · Hippolyte Josse (4)
National tech categories:
None (361) · FR 6.4 (106) · DE 77h.5 (52) · HU V/h (45) · DE 77h.6 (22) · DE 77h.9 (15) · DE 77h.7 (12) · FR 12.2 (10) · DE 77h.15 (9) · NL 62 (7) · AT 77d (7) · DE 77h.2 (5) · CH 129b (4) · NL 62.7 (3) · FR 5.8 (3) · FR 6.2 (3) · USPC 244/119 (3)
IPCs:
None (290) · IPC B64C3/00 (47) · IPC B64C35/00 (23) · IPC B64C17/00 (19) · IPC B64C1/00 (19) · IPC B64C11/00 (18) · IPC B64C13/00 (18) · IPC B64C25/00 (16) · IPC B64C39/00 (16) · IPC B64C11/04 (15) · IPC B64C11/20 (13) · IPC B64C3/18 (12) · IPC B64C13/12 (10) · IPC G01S1/72 (10) · IPC B64C3/38 (9) · IPC B64C23/00 (9) · IPC B64C1/06 (8) · IPC B64C3/54 (7) · IPC B64C3/56 (7) · IPC B64B1/00 (7)
First filing:
Citations from after 1930:
Number of diagram pages:

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