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Patents > Tech fields : Airship or propellers or rudder

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Applicant firm:
None (1659) · A. Wunderlich & Cie, Ingénieurs-Conseils (36) · Luft Fahrzeug G.m.b.H. (10) · Luftschiffbau Schütte-Lanz (10) · Motorluftschiff Studiengesellschaft m.b.H (8) · British and Colonial Aeroplane Co. (7) · Luft-Verkehrs-Gesellschaft m.b.H. (6) · Daimler Motoren-Gesellschaft (5) · Gesellschaft für Ausführung freitragender Dachkonstrukcionen in Holz System Stephan G. m. b. H. (4) · Aktien-Gesellschaft R. Ph. Waagner - L. & J. Biró & A. Kurz (4) · Siemens-Schuckert Werke GmbH (4) · Jacob Lohner & Co. (4) · Westinghouse Electric & Manufacturing Company (3) · Borrmann and Kaerting (3) · E. Rumpler Luftfahrzeugbau G.m.b.H. (3) · Luftfahrzeugbau Schütte-Lanz (3)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Application number:
Granted:
Related to aircraft:
Assigned to:
None (1802) · Westinghouse Electric & Manufacturing Company (3)
National tech categories:
None (464) · FR 6.4 (424) · HU V/h (171) · BE K (110) · FR 6.3 (63) · FR 6.2 (61) · AT 77d (55) · DE 77 (20) · GB 4 propel & steer (15) · USPC 244/22 (13) · USPC 244/87 (12) · USPC 244/233 (12) · DE 77h.5 (12) · USPC 244/51 (11) · GB 4 with buoyant (11) · CH 129b (10) · DE 77h.6 (10) · USPC 244/35R (10) · DK 77 (9) · USPC 244/50 (9)
IPCs:
None (969) · IPC B64C39/00 (87) · IPC B64B1/00 (80) · IPC B64C11/00 (74) · IPC B64C17/00 (46) · IPC B64C1/00 (41) · IPC B64C13/00 (32) · IPC B64C23/00 (30) · IPC B63H1/12 (26) · IPC B64C11/04 (24) · IPC B64C11/20 (24) · IPC B64C27/04 (23) · IPC B64C11/16 (22) · IPC B64B1/58 (21) · IPC B64C33/02 (19) · IPC B64B1/40 (15) · IPC B64C35/00 (12) · IPC B64D35/04 (12) · IPC B64C11/36 (12)
First filing:
Citations from after 1930:
Number of diagram pages:

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