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Patents > Inventor country : CA or GB or NL or RU & Number of claims: 2-3

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Office:
Inventor country: (Click arrow to add another value)
Applicant is inventor:
Tech fields:
airplane (83) · None (69) · frame (54) · propulsion (50) · LTA (48) · stability (47) · Control (33) · wings (32) · design (29) · construction (27) · subsystem (23) · propellers (22) · aerodynamics (21) · navigation (21) · propeller (21) · Steering (18) · lift (14) · balloon (14) · Rudder (14) · fuselage (14)
Full specification filed date:
Application number:
Granted:
Supplementary to patent:
None (317) · Patent CH-1912-62201 (4) · Patent GB-1911-12232 (4) · Patent GB-1913-22557 (3) · Patent AT-1913-66955 (3) · Patent US-1913-1118124 (2) · Patent GB-1910-885 (2) · Patent GB-1905-15698 (2) · Patent GB-1904-21477 (2) · Patent DE-1910-241266 (2) · Patent DE-1906-190421 (2) · Patent GB-1909-47 (2) · Patent CA-1918-196108 (2) · Patent BE-1911-05-15 Georges de Bothezat (2) · Patent AT-1909-49294 (2)
Related to aircraft:
Patent agent:
None (90) · Marks & Clerk (21) · Haseltine, Lake & Co. (17) · None (15) · Mewburn, Ellis & Pryor (10) · Brewer & Son (10) · Brandon frères (7) · G. F. Redfern & Co. (6) · Armengaud jeune (6) · Herbert Haddan & Co. (5) · Carpmaels, Radford & Newton (5) · Boult, Wade & Tennant (5) · Hy. Fairbrother (4) · Hyde & Heide (4) · J. Owden O'Brien (4)
National tech categories:
None (277) · FR 6.4 (48) · DK 77 (6) · AT 77d (5) · DE 77h.6 (3) · GB 4 propel & steer (3) · USPC 244/234 (3)
IPCs:
None (111) · IPC B64C3/00 (24) · IPC B64C39/00 (24) · IPC B64C13/00 (22) · IPC B64B1/00 (21) · IPC B64C17/00 (17) · IPC B64C1/00 (15) · IPC B64C35/00 (13) · IPC B64C23/00 (8) · IPC B64C25/00 (8) · IPC B64C3/18 (8) · IPC B64C27/04 (7) · IPC B64C29/00 (7) · IPC B64C1/06 (7) · IPC B64C3/38 (7) · IPC B64C11/00 (6) · IPC B64C27/20 (6) · IPC B64C3/54 (6) · IPC F41A19/05 (5)
CPCs:
None (75) · CPC B64C13/00 (26) · CPC B64C3/00 (23) · CPC B64C2700/6256 (21) · CPC B64C2700/6295 (19) · CPC B64B1/00 (19) · CPC B64C17/00 (17) · CPC B64C39/00 (16) · CPC B64C35/00 (12) · CPC B64C2700/6235 (11) · CPC B64C23/005 (11) · CPC B64C2700/6233 (9) · CPC B64C3/385 (8) · CPC B64C2700/6218 (8) · CPC B64C3/54 (7) · CPC B64C2700/6212 (7) · CPC B64C27/20 (7)
First filing:
Citations from after 1930:
Number of claims:
Number of diagram pages:

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