Drilldown: Patents

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Patents > Tech fields: propeller & Filing date: 1900 - 1999 & Number of claims: 3-7

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Office:
Inventors:
None (8) · Thomas Augustus Dring (7) · Christian Lorenzen (6) · André Gambin (4) · Spencer Heath (4) · Anthony O'Brate (4) · Philippe Delbert (4) · Gustav Mees (3) · Achille Derazey (2) · Émile-Jean-Jules Salmson (2) · John Anderson (2) · Albert Hugo Friedel (2) · Edward Hoult (2) · Wesley Wait (2) · Louis Bréguet (2) · Andrew John Fredrikson (2) · Alonzo Perry Bliven (2) · William Andrew Hutson (2) · Edward Smethurst (2) · William John Hastings Beach (2)
Applicant person:
None (55) · Spencer Heath (4) · Christian Lorenzen (3) · Gustav Mees (3) · Thomas Augustus Dring (3) · Anthony O'Brate (3) · Philippe Delbert (3) · Albert Hugo Friedel (2) · Alonzo Perry Bliven (2) · Edward Smethurst (2) · Wesley Wait (2) · Edward Hoult (2) · William John Hastings Beach (2)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number:
None (75)
Granted:
Supplementary to patent:
None (167) · Patent GB-1909-12556 (4) · Patent GB-1911-5162 (3) · Patent FR-1904-340154 (3) · Patent FR-1902-328044 (3) · Patent GB-1905-1140 (2) · Patent CA-1909-126457 (2) · Patent FR-1904-340154.4984 (2) · Patent GB-1908-13809 (2) · Patent US-1906-850616 (2) · Patent FR-1909-410140 (2)
Related to aircraft:
Patent agent:
None (68) · None (5) · Munn & Co. (5) · Victor J. Evans (5) · Watson E. Coleman (4) · Marks & Clerk (3) · Phillipss (3) · Wheatley & Mackenzie (3)
National tech categories:
None (67) · FR 6.4 (14) · AT 77d (10) · USPC 244/6 (9) · DE 77h.6 (8) · USPC 244/22 (7) · USPC 244/51 (5) · USPC 244/64 (4) · AU 90.3 (4) · USPC 244/46 (4)
CPCs:
None (49) · CPC B64C23/005 (19) · CPC B64B1/00 (10) · CPC B64C33/02 (10) · CPC B64C2700/6295 (8) · CPC B64C11/006 (8) · CPC B64C11/04 (7) · CPC B64C11/16 (6) · CPC B64C39/005 (6) · CPC B64C27/04 (5) · CPC B64C17/00 (4) · CPC B64C39/08 (4) · CPC B64C27/82 (4) · CPC B64C3/14 (4) · CPC B64C2700/6274 (4)
First filing:
Citations from after 1930:
Number of claims:
Number of diagram pages:

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