Drilldown: Patents

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Patents > Tech fields : Stability or subsystem & Number of claims: 7-50000000

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Applicant person:
None (52) · Alfred John Macy (16) · Sam Leonard Walkden (7) · Louis Brennan (6) · Edmund Sparmann (5) · Hermann Hassenbach (5) · Adolf Sprater (4) · Paul Robin (4) · Edmond Lévi (3) · François Dergint (3) · Alexander Blair Thaw (3) · George Brougham Hubert Austin (3) · Louis Blériot (3) · József Fenyvesi (3) · Alajos Biró (3)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number:
None (83) · 25941D (2) · 1913781506 (2)
Granted:
Supplementary to patent:
None (238) · Patent GB-1903-27212 (4) · Patent GB-1909-8531 (4) · Patent US-1913-04-21 George Raymond Lawrence (3) · Patent FR-1911-443878 (3) · Patent GB-1910-6051 (3) · Patent AU-1911-510 (3) · Patent US-1914-1368226 (2) · Patent GB-1913-3848 (2) · Patent FR-1911-426612 (2) · Patent BE-1910-230887 (2) · Patent GB-1908-4519 (2) · Patent US-1910-1011683 (2) · Patent GB-1912-26911 (2) · Patent HU-1909-49038 (2) · Patent FR-1911-448337 (2) · Patent GB-1913-2294 (2)
Related to aircraft:
Patent agent:
None (103) · Munn & Co. (15) · Haseltine, Lake & Co. (10) · Marks & Clerk (8) · Armengaud jeune (8) · None (6) · Charles W. Hills (6) · Victor J. Evans (5) · John P. Tarbox (5) · E. Blétry (3) · Jensen & Son (3) · Abel & Imray (3) · Boult, Wade & Tennant (3)
National tech categories:
None (93) · FR 6.4 (50) · USPC 244/80 (18) · HU V/h (13) · USPC 244/90R (11) · USPC 244/177 (11) · USPC 244/45R (8) · CH 129b (5) · USPC 244/93 (5) · USPC 244/91 (4) · USPC 244/6 (4) · USPC 244/139 (4) · DK 77 (4) · AU 90.3 (4) · USPC 244/48 (4)
IPCs:
None (183) · IPC B64C17/00 (43) · IPC B64C1/00 (39) · IPC B64C17/06 (14) · IPC B64C39/00 (13) · IPC B64C13/00 (5) · IPC B64C3/00 (5) · IPC B64B1/58 (4) · IPC B64B1/00 (3) · IPC CPC B64C13/00 (3) · IPC G01P3/36 (3)
CPCs:
CPC B64C17/00 (73) · None (65) · CPC B64C2700/6218 (22) · CPC B64C13/00 (21) · CPC B64C2700/6295 (17) · CPC B64C17/06 (17) · CPC B64C2700/6216 (10) · CPC B64C39/00 (9) · CPC B64C23/005 (9) · CPC B64C39/08 (9) · CPC B64B1/00 (9) · CPC B64C2700/6212 (8) · CPC B64C33/02 (6) · CPC B64C13/24 (6) · CPC B64C39/005 (5) · CPC B64B1/58 (5) · CPC B64C2700/6214 (5) · CPC B64C3/385 (5)
First filing:
Citations from after 1930:
Number of diagram pages:

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