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Patents > IPCs : IPC B64C21/02 or None & Family year: 1880 - 1889

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Applicant person:
None (259) · Otto Lilienthal (7) · Eugene F. Falconnet (6) · Albert Livingstone Blackman (5) · Blaise Bontems (4) · Georg Wellner (4) · Comte Antoine Apraxine (3) · Carl Wolfgang Petersen (3) · Guégnot (3) · William Robert Lake (3) · Alfred Julius Boult (3)
Applicant is inventor:
Tech fields:
None (188) · LTA (106) · propulsion (74) · navigation (59) · balloon (44) · frame (24) · propeller (23) · car (22) · rudder (17) · whole (15) · stability (14) · Windmill (13) · marine (13) · airship (12) · flapping (12) · military (12) · steam (10)
Full specification filed date:
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Supplementary to patent:
None (414) · Patent FR-1881-142748 (3) · Patent FR-1881-145512 (2) · Patent GB-1880-2498 (2) · Patent GB-1885-339 (2) · Patent US-1889-417755 (2) · Patent US-1880-224510 (2)
Related to aircraft:
Patent agent:
None (321) · Munn & Co. (14) · Desnos (9) · Dieuaide (6) · None (4) · Louis Bagger & Co. (3) · Alfred Julius Boult (3) · Mennons jeune (3) · Blétry frères (3) · Armengaud jeune (3)
National tech categories:
None (291) · FR 6.3 (68) · GB 4 with buoyant (13) · DE 77 (11) · GB 4 propel & steer (11) · GB 4 aërostats (6) · CA 244/24 (5) · GB 122 aero steam engines (5) · GB 4 without buoyant (4) · USPC 244/30 (3) · GB 4 parachutes (3) · USPC 244/28 (3) · USPC 114/21.1 (3)
IPCs: (Click arrow to add another value)
CPCs:
None (242) · CPC B64C11/006 (29) · CPC B64C11/346 (24) · CPC B64B1/00 (14) · CPC F05B2260/74 (13) · CPC B64C11/48 (13) · CPC B63H1/04 (10) · CPC B64C11/06 (9) · CPC B63H1/12 (9) · CPC B64C11/343 (9) · CPC Y02E10/72 (8) · CPC B64C11/36 (7) · CPC F16B2200/40 (7) · CPC F16B2/02 (7) · CPC Y02E10/74 (7) · CPC Y10T403/4677 (7) · CPC B64C27/54 (7) · CPC B64C11/04 (7) · CPC F03D3/00 (7) · CPC B64C3/48 (6)
First filing:
Citations from after 1930:
Number of text pages:
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