Drilldown: Patents

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Patents > Applicant firm: None & CPCs : CPC B64C11/48 or CPC B64C27/54

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Office:
Inventors:
None (51) · Hermann Faehrmann (3) · Elihu Spencer (2) · Samuel Champion (2) · Thomas Champion (2)
Inventor country:
Applicant person:
None (62) · Hermann Faehrmann (3) · Samuel Champion (2) · Thomas Champion (2) · Elihu Spencer (2)
Applicant firm: (Click arrow to add another value)
Applicant type:
Applicant is inventor:
Tech fields:
None (73) · propeller (28) · marine propulsion (15) · marine (15) · Propulsion (13) · Propellers (12) · marine propeller (9) · paddle-wheels (8) · Paddle-wheel (8) · aerial propeller (8) · churn (6) · feathering (5) · paddle wheel (5) · Helicopter (5) · windmill (5) · Airplane (4)
Full specification filed date:
Application number:
None (123)
Granted:
Publication date:
Related to aircraft:
Patent agent:
None (99) · Munn & Co. (9) · None (6) · Victor J. Evans (2) · Chandler & Chandler (2) · Richardson (2) · E. E. Vrooman (2) · John Wedderburn (2) · John Lotka (2)
National tech categories:
None (153) · USPC 416/112 (10) · USPC 416/200R (6) · USPC 416/128 (6) · USPC 416/129 (5) · USPC 416/98 (4) · FR 6.4 (4) · USPC 244/65 (2) · USPC 416/151 (2) · USPC 416/117 (2) · USPC 416/119 (2) · DE 77h.6 (2) · USPC 116/280 (2) · USPC 116/308 (2)
CPCs: (Click arrow to add another value)
First filing:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

Showing below up to 198 results in range #1 to #198.

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