Drilldown: Patents

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Patents > Number of text pages: 4-5 & Number of claims: 6-8 & Number of diagram pages: 3-6000000

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Office:
Inventors:
Émile Dupont (2) · Franz Wondra (2) · Henry Kleckler (2) · Albert Hugo Friedel (2) · Alexander Keith (2) · George Brougham Hubert Austin (2) · Thomas Sloper (2) · William Andrew Hutson (2) · Charles Groombridge (2) · José Weiss (2)
Inventor country:
Applicant person:
None (5) · William Alfred South (2) · Émile Dupont (2) · George Brougham Hubert Austin (2) · Charles Groombridge (2) · Henry Kleckler (2) · Thomas Sloper (2) · José Weiss (2) · Franz Wondra (2) · Albert Hugo Friedel (2) · Alexander Keith (2)
Applicant is inventor:
Tech fields:
Airplane (30) · frame (26) · stability (22) · None (21) · Propulsion (16) · navigation (15) · propeller (14) · construction (12) · Propellers (12) · rudder (11) · wheels (10) · Design (10) · control (10) · wings (10) · LTA (9) · lift (7) · flapping (7) · Helicopter (6) · automatic stability (6) · safety (6)
Full specification filed date:
Application number:
None (23)
Granted:
Related to aircraft:
Patent agent:
None (28) · Munn & Co. (5) · Brewer & Son (4) · Marks & Clerk (3) · John P. Tarbox (3) · Watson E. Coleman (2) · Victor J. Evans (2) · R. S. & A. B. Lacey (2) · None (2) · Mewburn, Ellis & Pryor (2) · J. Owden O'Brien (2) · Gerry S. Webster (2) · J. Bonnet-Thirion et Breton (2)
National tech categories:
None (52) · FR 6.4 (14) · HU V/h (5) · USPC 244/9 (3) · USPC 244/80 (3) · USPC 244/139 (3) · USPC 244/25 (3) · USPC 244/66 (3) · USPC 244/90R (2) · USPC 244/100R (2) · USPC 416/119 (2) · USPC 244/93 (2) · USPC 244/17.17 (2)
CPCs:
None (14) · CPC B64C17/00 (13) · CPC B64C23/005 (8) · CPC B64C13/00 (7) · CPC B64B1/00 (6) · CPC B64C33/02 (6) · CPC B64C35/00 (5) · CPC B64C2700/6295 (5) · CPC B64C33/00 (4) · CPC B64C3/385 (4) · CPC B64C39/00 (3) · CPC B64C39/08 (3) · CPC B64C39/005 (3) · CPC B64C2700/6214 (3)
First filing:
Citations from after 1930:
Number of text pages:
Number of claims:
Number of diagram pages:

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