Drilldown: Patents

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Patents > Tech fields : balloons or propellers or safety

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Inventor country:
FR (549) · US (259) · DE (242) · GB (135) · BE (84) · None (71) · HU (68) · AT (63) · IT (23) · RO (14) · CH (13) · ES (13) · AU (11) · RU (9) · CA (9) · AH (8) · HR (5)
Applicant firm:
None (1428) · A. Wunderlich & Cie, Ingénieurs-Conseils (36) · Jacob Lohner & Co. (9) · British and Colonial Aeroplane Co. (6) · Daimler Motoren-Gesellschaft (5) · Motorluftschiff Studiengesellschaft m.b.H (4) · Westinghouse Electric & Manufacturing Company (4) · Luft Fahrzeug G.m.b.H. (3) · Luft-Verkehrs-Gesellschaft m.b.H. (3) · Société anonyme des appareils d'aviation Hanriot (3) · Aktien-Gesellschaft R. Ph. Waagner - L. & J. Biró & A. Kurz (3) · Borrmann and Kaerting (3)
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Assigned to:
None (1536) · Westinghouse Electric & Manufacturing Company (4) · Albert L. Watters (2) · Goodyear Tire and Rubber Company (2)
IPCs:
None (781) · IPC B64C39/00 (72) · IPC B64B1/00 (70) · IPC B64C11/00 (69) · IPC B64C23/00 (28) · IPC B64C17/00 (27) · IPC B63H1/12 (26) · IPC B64C11/04 (24) · IPC B64C11/20 (24) · IPC B64C1/00 (23) · IPC B64C11/16 (22) · IPC B64C27/04 (21) · IPC B64B1/58 (21) · IPC B64D17/00 (16) · IPC B64B1/62 (15) · IPC B64C35/00 (13) · IPC B64B1/40 (12) · IPC B64C33/02 (12) · IPC B64C11/36 (12) · IPC B64D35/04 (12)
First filing:
Citations from after 1930:
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