Drilldown: Patents

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Patents > IPCs: None & Number of text pages: 4-5 & Number of claims: 8-11

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Office:
Inventors:
Franz Wondra (2) · Charles F. Roper (2) · William Phillips (2) · Eduard Adamek (2) · Eugène-Pierre-Félix-Auguste Coursin (2) · Albert Hugo Friedel (2) · Enrique Lazarte (2) · Francis Alexander Barton (2) · Alfred John Macy (2) · James Dennis Roots (2)
Inventor country:
Applicant person:
None (10) · Alfred John Macy (2) · Enrique Lazarte (2) · Charles F. Roper (2) · Eugène-Pierre-Félix-Auguste Coursin (2) · Franz Wondra (2) · James Dennis Roots (2) · Eduard Adamek (2) · William Phillips (2) · Albert Hugo Friedel (2)
Applicant is inventor:
Tech fields:
Airplane (36) · Frame (33) · None (28) · propulsion (24) · stability (22) · navigation (21) · propeller (21) · rudder (13) · LTA (13) · design (13) · car (12) · Propellers (10) · wheels (10) · parachute (9) · safety (9) · hybrid (9) · flapping (9) · construction (9) · wings (8)
Full specification filed date:
Application number:
None (43)
Granted:
Related to aircraft:
Patent agent:
None (39) · Munn & Co. (8) · Victor J. Evans (5) · Boult, Wade & Tennant (3) · None (2) · W. D. Rowlingson (2) · R. S. & A. B. Lacey (2)
National tech categories:
None (54) · HU V/h (9) · USPC 244/233 (6) · USPC 244/90R (4) · USPC 244/93 (4) · AT 77d (3) · USPC 244/6 (3) · CH 129b (3) · USPC 244/65 (3)
IPCs: (Click arrow to add another value)
CPCs:
None (39) · CPC B64C23/005 (13) · CPC B64C13/00 (9) · CPC B64C17/00 (8) · CPC B64C2700/6295 (6) · CPC B64C39/08 (6) · CPC B64B1/00 (5) · CPC B64C39/005 (4) · CPC B64C11/306 (3) · CPC B64C33/02 (3) · CPC B64C35/00 (3) · CPC B64C3/40 (3) · CPC B64C9/00 (2) · CPC B64C11/006 (2) · CPC B64C3/385 (2) · CPC B64C33/00 (2) · CPC B64C2700/6218 (2) · CPC B64C39/00 (2) · CPC B64C2025/325 (2)
First filing:
Citations from after 1930:
Number of text pages:
Number of claims:
Number of diagram pages:

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