Drilldown: Patents

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Patents > Office : GR or US or None & Related to aircraft : -1 or .5

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Office: (Click arrow to add another value)
Inventors:
Everard Richard Calthrop (4) · None (3) · William H. Holland (3)
Inventor country:
Applicant person:
None (6) · Everard Richard Calthrop (4) · William H. Holland (3)
Applicant type:
Applicant is inventor:
Tech fields:
marine (15) · Propulsion (7) · marine propeller (7) · Windmill (7) · propeller (7) · marine propulsion (5) · navigation (5) · paddle-wheel (5) · paddle-wheels (5) · stability (5) · airplane (5) · parachute (4) · paddle wheel (4) · frame (4)
Full specification filed date:
Granted:
Publication date:
Related to aircraft: (Click arrow to add another value)
National tech categories:
None (32) · USPC 416/194 (5) · USPC 416/98 (3) · USPC 416/196A (3) · USPC 416/113 (3) · USPC 416/108 (3) · USPC 244/22 (2) · USPC 416/196R (2) · USPC 416/117 (2) · USPC 416/112 (2) · USPC 415/7 (2) · USPC 244/30 (2) · USPC 416/119 (2)
CPCs:
CPC B64C27/54 (17) · CPC B64C11/006 (9) · None (5) · CPC F01D5/06 (5) · CPC Y02E10/74 (5) · CPC B64C11/00 (5) · CPC F03D3/00 (4) · CPC F05B2260/74 (4) · CPC B64C11/48 (4) · CPC B64C11/36 (4) · CPC B64B1/00 (3) · CPC Y02E10/20 (3) · CPC B64C11/346 (3) · CPC Y02E10/72 (3) · CPC B63H1/12 (3) · CPC B63H1/04 (3)
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

Showing below up to 83 results in range #1 to #83.

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