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Patents > Office : ?? or DE or GB or LU or US & Tech fields : LTA or balloon or marine or propellers & Citations from after 1930: None

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Office: (Click arrow to add another value)
Inventor country:
US (456) · DE (322) · GB (153) · FR (139) · None (116) · AT (27) · IT (19) · HU (14) · Prussia (14) · CA (13) · CH (13) · Poland (12) · RU (11) · BE (9) · AH (8) · AU (7) · MX (7) · SE (7) · BR (6) · ES (6)
Applicant firm:
None (1200) · Siemens-Schuckert Werke GmbH (8) · Siemens-Schuckert-Werke G.m.b.H. (5) · Société Anonyme Astra (4) · Motorluftschiff Studiengesellschaft m.b.H (4) · British and Colonial Aeroplane Co. (3) · Westinghouse Electric & Manufacturing Company (3) · Sperry Gyroscope Company (3) · Luftschiffbau Zeppelin (3) · Curtiss Aeroplane (3) · Zeppelin-Werke G.m.b.H. (3)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Granted:
Patent agent:
None (809) · Marks & Clerk (40) · Haseltine, Lake & Co. (35) · Boult, Wade & Tennant (29) · Munn & Co. (22) · Herbert Haddan & Co. (19) · Abel & Imray (10) · Wheatley & Mackenzie (10) · 1 (8) · W. P. Thompson & Co. (7) · Jensen & Son (6) · Brewer & Son (5) · G. F. Redfern & Co. (5) · Hy. Fairbrother (5) · D. Young & Co. (5) · J. Owden O'Brien (5) · John P. Tarbox (5) · Alfred Julius Boult (5)
Assigned to:
None (1221) · 1 (23) · Goodyear Tire and Rubber Company (6) · International Aeronautical Construction Company (4) · Westinghouse Electric & Manufacturing Company (3) · Sperry Gyroscope Company (3) · Curtiss Aeroplane and Motor Corporation (2)
IPCs:
None (722) · IPC B64B1/00 (129) · IPC B64B1/58 (46) · IPC B64B1/40 (31) · IPC B64B1/62 (26) · IPC B64C11/00 (23) · IPC B64C39/00 (21) · IPC B64C33/02 (13) · IPC B64B1/64 (12) · IPC B64C9/00 (11) · IPC B64C35/00 (11) · IPC B64B1/06 (10) · IPC B64C11/20 (9) · IPC B63H1/12 (9) · IPC B64C17/00 (9) · IPC B64C23/00 (9) · IPC B64C1/00 (8) · IPC B64C11/16 (7) · IPC B64C13/00 (6) · IPC B64B1/12 (6)
First filing:
Cites these patents:
None (1268) · CPC B64B1/00 (5) · 1 (2) · 1887 (2) · USPC 244/26 (2)
Citations from after 1930:

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