Drilldown: Patents

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Patents > Tech fields : Balloons or propeller & Number of claims: 2-4

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Office:
Inventors:
None (18) · Christian Lorenzen (6) · Johannes Schilling (5) · Johann Schütte (4) · Spencer Heath (4) · Everard Richard Calthrop (4) · André Gambin (3) · Jakob Haw (3) · Thomas Augustus Dring (3)
Applicant person:
None (78) · Johannes Schilling (5) · Everard Richard Calthrop (4) · Johann Schütte (4) · Spencer Heath (4) · Christian Lorenzen (3)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number:
None (129)
Granted:
Supplementary to patent:
None (205) · Patent DE-1908-221549 (4) · Patent DE-1913-293131 (3) · Patent DE-1913-290120 (3) · Patent FR-1904-340154 (3) · Patent FR-1908-405961 (2) · Patent FR-1902-328044 (2) · Patent GB-1911-5162 (2) · Patent DE-1908-239989 (2) · Patent GB-1914-20119 (2) · Patent GB-1909-12556 (2) · Patent CA-1909-126457 (2) · Patent FR-1904-344907 (2)
Related to aircraft:
Patent agent:
None (113) · Victor J. Evans (7) · Munn & Co. (6) · Marks & Clerk (4) · Schwab (4) · Haseltine, Lake & Co. (3) · H. C. Everett Co. (3) · Jensen & Son (3) · Lavoix et Mosès (3) · E. Blum & Co. (3)
National tech categories:
None (80) · FR 6.4 (25) · AT 77d (14) · DE 77h.6 (14) · HU V/h (12) · USPC 244/6 (8) · DE 77 (6) · USPC 244/60 (5) · USPC 244/20 (5) · USPC 244/22 (5) · USPC 244/72 (4) · USPC 244/70 (4) · DE 77h.5 (4) · USPC 244/30 (4) · USPC 244/66 (3) · USPC 244/98 (3) · USPC 244/26 (3) · USPC 244/51 (3) · USPC 244/64 (3) · CH 129a (3)
IPCs:
None (185) · IPC B64B1/00 (18) · IPC B64C39/00 (6) · IPC B64C11/16 (6) · IPC B64C11/00 (6) · IPC B63H1/12 (4) · IPC B64C11/04 (4) · IPC B64B1/58 (4) · IPC B64B1/62 (3) · IPC B64D7/02 (3) · IPC B64C11/34 (3) · IPC B64C27/00 (2) · IPC B64C23/00 (2) · IPC B64C11/30 (2) · IPC B64C11/18 (2) · IPC B64C17/00 (2) · IPC B64B1/40 (2) · IPC B63H1/00 (2)
CPCs:
None (75) · CPC B64B1/00 (27) · CPC B64C23/005 (16) · CPC B64C11/006 (12) · CPC B64C39/005 (10) · CPC B64C33/02 (8) · CPC B64C11/065 (7) · CPC B64C11/48 (6) · CPC B64C11/04 (6) · CPC B64D7/02 (5) · CPC B64C11/16 (5) · CPC B64C11/343 (4) · CPC B64B1/62 (4) · CPC B63H1/26 (4) · CPC B64C3/14 (4) · CPC B64B1/40 (4)
First filing:
Citations from after 1930:
Number of text pages:
Number of claims:
Number of diagram pages:

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