Drilldown: Patents

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Patents > Tech fields : Balloons or propeller & Number of text pages: 2

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Office:
Applicant person:
None (90) · Spencer Heath (5) · Johann Schütte (5) · Johannes Schilling (4) · Heinrich Dittmar (4) · Emanuel Spreekmeester (3) · Count Wladimir Skorzewski (3) · Leonardo Torres Quevedo (3) · Paul Petres (3) · Gustav Mees (3)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number:
None (157)
Granted:
Supplementary to patent:
None (251) · Patent DE-1908-221549 (4) · Patent CH-1905-33302 (2) · Patent FR-1904-340154 (2) · Patent GB-1908-28547 (2) · Patent DE-1899-123884 (2) · Patent GB-1909-12556 (2) · Patent FR-1909-410140 (2) · Patent DE-1913-290120 (2) · Patent DE-1913-293131 (2) · Patent DE-1916-332540 (2) · Patent ES-1906-38692‎ (2) · Patent FR-1907-382794 (2) · Patent FR-1904-344907 (2) · Patent DE-1909-227246 (2)
Related to aircraft:
Patent agent:
None (143) · Munn & Co. (7) · Victor J. Evans (6) · None (6) · E. Blum & Co. (4) · Schwab (4) · J. Bonnet-Thirion (4) · Armengaud jeune (3) · de Bongé (3) · Ed. Wolf (3) · H. C. Everett Co. (3) · Jensen & Son (3) · Lavoix et Mosès (3)
National tech categories:
None (83) · FR 6.4 (39) · DE 77h.6 (23) · AT 77d (17) · HU V/h (13) · DE 77 (11) · RU Group V (6) · USPC 244/66 (6) · FR 6.3 (5) · USPC 244/30 (5) · FR 6.2 (5) · CH 129b (4) · DE 77h (4) · USPC 244/73R (4) · USPC 244/70 (4) · USPC 244/6 (4) · USPC 244/51 (4)
IPCs:
None (201) · IPC B64B1/00 (29) · IPC B64B1/58 (9) · IPC B64C11/00 (9) · IPC B64C11/04 (9) · IPC B64C11/16 (7) · IPC B64C23/00 (7) · IPC B64B1/62 (4) · IPC B64C39/00 (4) · IPC B63H1/12 (3) · IPC B64C11/30 (3) · IPC B64D7/02 (3)
CPCs:
None (87) · CPC B64B1/00 (35) · CPC B64C23/005 (16) · CPC B64C11/006 (14) · CPC B64C11/04 (12) · CPC B64C11/48 (11) · CPC B64B1/58 (8) · CPC B64C39/005 (6) · CPC B64C33/02 (6) · CPC B63H1/12 (6) · CPC B64B1/40 (6) · CPC B64C11/00 (6) · CPC B64C11/16 (5) · CPC B64C11/065 (5) · CPC B64B1/62 (5) · CPC B64C27/82 (5)
First filing:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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