Drilldown: Patents

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

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Applicant firm:
None (581) · Curtiss Aeroplane (21) · Société Anonyme des Établissements Nieuport (8) · Westinghouse Electric & Manufacturing Company (6) · AGO Flugzeugwerke G. m. b. H. (6) · Luftschiffbau Schütte-Lanz (6) · Moteurs Salmson (5) · Mercur Flugzeugbau (5) · Zeppelin-Werke G.m.b.H. (5) · Sperry Gyroscope Company (5) · Luftfahrzeugbau Schütte-Lanz (4) · Rumpler-Werke G.m.b.H. in Berlin-Johannisthal (4) · Gothaer Waggonfabrik A. G. (4) · Société des Avions Louis Bréguet (4) · Österreichische Daimler Motoren A. G. (4) · Allgemeine Elektricitäts-Gesellschaft (4)
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Supplementary to patent:
None (641) · Patent FR-1916-501550 (8) · Patent FR-1917-504302 (3) · Patent US-1918-1589780 (3) · Patent FR-1916-502839 (3) · Patent DE-1917-305040 (2) · Patent DE-1921-384750 (2) · Patent FR-1917-493342 (2) · Patent FR-1916-493411 (2) · Patent GB-1917-126391 (2) · Patent FR-1915-525800 (2) · Patent FR-1915-502520 (2) · Patent CA-1918-196108 (2) · Patent CA-1918-192493 (2) · Patent DE-1916-332540 (2) · Patent DE-1915-300200 (2) · Patent DE-1919-319462 (2)
Related to aircraft:
Patent agent:
None (519) · None (23) · John P. Tarbox (22) · Armengaud jeune (13) · M. Zerolo (9) · Dony and Lejeune (7) · Herbert H. Thompson (7) · Marks & Clerk (6) · Paul Blum (6) · Munn & Co. (6) · Société G. Breton, P. Audy, J. Rousset, A. Vergé (6) · J. Germain (6) · Joseph F. O'Brien (4) · Hippolyte Josse (4) · Dupont et Elluin (4)
Assigned to:
None (748) · Curtiss Aeroplane and Motor Corporation (7) · Sperry Gyroscope Company (6) · Westinghouse Electric & Manufacturing Company (5) · Moteurs Salmson (5) · Curtiss Aeroplane (4) · Société Anonyme des Établissements Nieuport (3) · Goodyear Tire and Rubber Company (3) · John A. Roebling's Sons (2) · Haskelite Manufacturing Corporation (2) · Grand Rapids Trust Company (2) · L W F Engineering Company (2)
National tech categories:
None (412) · FR 6.4 (108) · DE 77h.5 (54) · HU V/h (51) · DE 77h.6 (23) · DE 77h.9 (15) · DE 77h.7 (11) · FR 12.2 (10) · DE 77h.15 (9) · NL 62 (8) · AT 77d (8) · CH 129b (5) · DE 77h.2 (5) · USPC 244/119 (3) · FR 5.8 (3) · FR 6.2 (3) · NL 62.6 (3) · NL 62.7 (3)
IPCs:
None (343) · IPC B64C3/00 (49) · IPC B64C35/00 (24) · IPC B64C17/00 (23) · IPC B64C1/00 (22) · IPC B64C11/00 (18) · IPC B64C13/00 (18) · IPC B64C25/00 (16) · IPC B64C11/04 (15) · IPC B64C39/00 (15) · IPC B64C11/20 (13) · IPC B64C3/18 (13) · IPC B64C23/00 (10) · IPC G01S1/72 (10) · IPC B64C13/12 (10) · IPC B64C3/38 (9) · IPC B64C3/56 (8) · IPC B64C1/06 (8) · IPC B64C3/54 (7) · IPC B64C27/04 (7)
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