Drilldown: Patents

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Patents > IPCs: None & Number of claims: 8 & Number of figures: 5-13

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Office:
Inventors:
None (3) · William Alfred South (2) · Charles Groombridge (2) · Julius Schülke (2) · Francis Alexander Barton (2)
Inventor country:
Applicant person:
None (10) · William Alfred South (2) · Charles Groombridge (2) · Julius Schülke (2)
Applicant is inventor:
Tech fields:
airplane (25) · propulsion (22) · frame (18) · navigation (17) · stability (16) · propeller (15) · design (13) · LTA (12) · wings (8) · construction (8) · whole (8) · rudder (7) · propellers (7) · landing (7) · hybrid (7) · None (7) · car (6) · helicopter (6)
Full specification filed date:
Application number:
None (31)
Granted:
Publication date:
Related to aircraft:
Patent agent:
None (22) · Munn & Co. (7) · Victor J. Evans (3) · W. D. Rowlingson (2) · John P. Tarbox (2) · Ernest de Pass (2) · None (2)
National tech categories:
None (34) · HU V/h (8) · GB 4 without buoyant (3) · USPC 244/90R (3) · USPC 244/48 (2) · USPC 244/52 (2) · USPC 244/12.1 (2) · USPC 244/119 (2) · USPC 244/66 (2) · USPC 244/80 (2) · GB 4 propel & steer (2) · USPC 244/25 (2) · GB 4 aëroplanes (2)
IPCs: (Click arrow to add another value)
CPCs:
None (28) · CPC B64C23/005 (7) · CPC B64B1/00 (6) · CPC B64C13/00 (5) · CPC B64C17/00 (4) · CPC B64C39/005 (2) · CPC B64B1/40 (2) · CPC B64C3/385 (2) · CPC B64C2700/6295 (2)
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
Number of claims:
Number of diagram pages:

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