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Patents > Tech fields : Airship or hybrid or propellers

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Inventor country:
FR (581) · DE (302) · US (295) · GB (142) · BE (92) · HU (72) · AT (62) · None (56) · IT (35) · CA (16) · RO (16) · RU (13) · CH (12) · AH (8) · MX (7) · AU (7) · HR (7) · DK (6)
Applicant firm:
None (1525) · A. Wunderlich & Cie, Ingénieurs-Conseils (36) · Luft Fahrzeug G.m.b.H. (10) · Luftschiffbau Schütte-Lanz (10) · British and Colonial Aeroplane Co. (6) · Luft-Verkehrs-Gesellschaft m.b.H. (5) · Alphonse Tellier et Cie (5) · Daimler Motoren-Gesellschaft (5) · Aktien-Gesellschaft R. Ph. Waagner - L. & J. Biró & A. Kurz (4) · Gesellschaft für Ausführung freitragender Dachkonstrukcionen in Holz System Stephan G. m. b. H. (4) · Jacob Lohner & Co. (4) · Siemens-Schuckert Werke GmbH (4) · Borrmann and Kaerting (3) · Westinghouse Electric & Manufacturing Company (3) · Motorluftschiff Studiengesellschaft m.b.H (3) · Luftfahrzeugbau Schütte-Lanz (3)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Application number:
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Related to aircraft:
Assigned to:
None (1676) · Westinghouse Electric & Manufacturing Company (3) · Curtiss Aeroplane and Motor Corporation (3)
National tech categories:
FR 6.4 (435) · None (430) · HU V/h (170) · BE K (110) · FR 6.3 (64) · FR 6.2 (60) · AT 77d (48) · DE 77 (18) · USPC 244/6 (12) · USPC 244/22 (11) · DE 77h.6 (11) · FR 6 (10) · USPC 244/64 (9) · FR 5 (9) · DE 77h (9) · RU Group V (8) · USPC 244/11 (8) · USPC 244/25 (8)
IPCs:
None (870) · IPC B64B1/00 (94) · IPC B64C39/00 (78) · IPC B64C11/00 (75) · IPC B64C23/00 (51) · IPC B64C27/04 (33) · IPC B64B1/58 (26) · IPC B64C35/00 (26) · IPC B63H1/12 (26) · IPC B64C11/04 (24) · IPC B64C11/20 (24) · IPC B64C1/00 (22) · IPC B64C11/16 (22) · IPC B64C17/00 (22) · IPC B64C33/02 (22) · IPC B64B1/40 (13) · IPC B64C33/00 (13) · IPC B64D35/04 (12) · IPC B64C11/36 (12) · IPC B64C27/00 (10)
First filing:
Citations from after 1930:
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