Drilldown: Patents

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

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Office:
Applicant person:
None (61) · Alfred John Macy (16) · Sam Leonard Walkden (6) · Louis Brennan (6) · Edmund Sparmann (5) · Adolf Sprater (4) · Paul Robin (4) · Reinhold Schmiechen (4) · Alexander Blair Thaw (3) · George Brougham Hubert Austin (3) · George Sutherland Dodman (3) · François Dergint (3) · Alajos Biró (3) · József Fenyvesi (3) · Edmond Lévi (3)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number:
None (94) · 1913781506 (2) · 25941D (2)
Granted:
Supplementary to patent:
None (254) · Patent GB-1909-8531‎ (4) · Patent GB-1903-27212 (4) · Patent US-1913-04-21 George Raymond Lawrence (3) · Patent FR-1911-443878 (3) · Patent AU-1911-510 (3) · Patent GB-1910-6051 (3) · Patent BE-1910-230887 (2) · Patent GB-1913-16499 (2) · Patent US-1915-1223319 (2) · Patent FR-1911-426612 (2) · Patent GB-1913-2294 (2) · Patent FR-1911-448337 (2) · Patent GB-1908-4519 (2) · Patent US-1914-1368226 (2) · Patent HU-1909-49038 (2) · Patent US-1915-1246016 (2) · Patent GB-1912-26911 (2)
Related to aircraft:
Patent agent:
None (107) · Munn & Co. (15) · Haseltine, Lake & Co. (10) · John P. Tarbox (8) · Marks & Clerk (7) · Charles W. Hills (6) · None (6) · Armengaud jeune (6) · Victor J. Evans (5) · Michael J. Stark & Sons (4) · Jensen & Son (4) · Abel & Imray (3) · Lavoix et Mosès (3) · 1 (3)
National tech categories:
None (104) · FR 6.4 (46) · USPC 244/80 (19) · USPC 244/90R (11) · USPC 244/177 (11) · USPC 244/45R (8) · AU 90.3 (6) · HU V/h (6) · USPC 244/139 (5) · USPC 244/93 (5) · USPC 244/28 (4) · USPC 244/87 (4) · USPC 244/91 (4) · USPC 244/48 (4) · CH 129b (4)
IPCs:
None (199) · IPC B64C17/00 (42) · IPC B64C1/00 (39) · IPC B64C17/06 (14) · IPC B64C39/00 (12) · IPC B64B1/00 (6) · IPC B64C3/00 (4) · IPC B64C13/00 (4) · IPC B64C35/00 (4) · IPC CPC B64C13/00 (3) · IPC B64B1/58 (3)
CPCs:
CPC B64C17/00 (72) · None (58) · CPC B64C2700/6218 (22) · CPC B64C13/00 (20) · CPC B64C17/06 (17) · CPC B64C2700/6295 (17) · CPC B64B1/00 (15) · CPC B64C35/00 (12) · CPC B64C2700/6216 (10) · CPC B64C39/00 (9) · CPC B64C39/08 (9) · CPC B64C23/005 (8) · CPC B64C2700/6212 (7) · CPC B64C33/02 (6) · CPC B64C13/24 (6) · CPC B64C39/005 (5) · CPC B64C3/385 (5) · CPC B64C2700/6214 (5)
First filing:
Citations from after 1930:
Number of diagram pages:

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