Drilldown: Patents

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Patents > Tech fields : lift or navigation or propellers or subsystem & Supplementary to patent: None & Assigned to: None & First filing: Yes

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Applicant firm:
None (861) · Société Antoinette (4) · Motorluftschiff Studiengesellschaft m.b.H (3) · Tarbox Safety Aircraft Company (3) · Luftschiffbau Zeppelin G. m. b. H. (3) · Siemens-Schuckert Werke GmbH (2) · Aéroplanes Morane-Saulnier (2) · Curtiss Aeroplane (2) · Allgemeine Elektricitäts-Gesellschaft (2) · Lang Propeller Limited (2) · Jacob Lohner & Co. (2) · Société anonyme des appareils d'aviation Hanriot (2)
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National tech categories:
None (229) · FR 6.4 (210) · HU V/h (45) · BE K (26) · FR 6.3 (17) · FR 6.2 (15) · AT 77d (15) · USPC 244/22 (14) · USPC 244/30 (14) · USPC 244/6 (13) · USPC 244/51 (11) · USPC 244/66 (10) · USPC 244/97 (9) · USPC 244/90R (9) · USPC 244/70 (9) · DE 77h.6 (9) · DE 77h.5 (8) · USPC 244/52 (8) · USPC 244/233 (8) · USPC 244/26 (8)
IPCs:
None (402) · IPC B64C39/00 (51) · IPC B64B1/00 (44) · IPC B64C11/00 (33) · IPC B64C1/00 (29) · IPC B64C17/00 (28) · IPC B64C23/00 (20) · IPC CPC B64C13/00 (16) · IPC B64C3/00 (15) · IPC B64C13/00 (15) · IPC B64B1/58 (14) · IPC B64C33/02 (13) · IPC B64C3/38 (12) · IPC B64C11/20 (11) · IPC B64C11/04 (11) · IPC B64B1/62 (11) · IPC B64C33/00 (9) · IPC B64C11/16 (9) · IPC B64C9/00 (9)
First filing: (Click arrow to add another value)
Citations from after 1930:
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