Drilldown: Patents

Jump to navigation Jump to search
Patents > Office : NZ or RU or US & Tech fields: helicopter & Cites these patents: None

Use the filters below to narrow your results.

Office: (Click arrow to add another value)
Inventors:
Thomas Augustus Dring (3) · Vassily Rebikov (2) · Édouard-Jean Bigourdan (2) · Samuel Dimmick Mott (2) · Alexis Beurrier (2) · William David Le Fevre (2)
Inventor country:
Applicant person:
None (14) · Alexis Beurrier (2) · Thomas Augustus Dring (2) · William David Le Fevre (2) · Samuel Dimmick Mott (2)
Applicant type:
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number:
None (25)
Granted:
Publication date:
Related to aircraft:
Patent agent:
None (44) · Victor J. Evans (5) · C. A. Snow & Co. (5) · Munn & Co. (5) · 1 (2) · Herbert W. T. Jenner (2) · None (2) · Dyrenforth, Lee, Chritton, and Wiles (2)
National tech categories:
None (22) · USPC 244/6 (18) · USPC 244/17.21 (8) · USPC 244/65 (7) · USPC 244/17.19 (7) · USPC 244/17.15 (5) · USPC 244/66 (4) · USPC 244/20 (4) · USPC 416/123 (3) · USPC 244/7R (3) · USPC 244/51 (3) · USPC 244/17.17 (3) · USPC 244/60 (3) · USPC 244/17.11 (3) · USPC 244/122R (3) · RU Group V (3)
First filing:
Cites these patents: (Click arrow to add another value)
Citations from after 1930:
Number of diagram pages:

Showing below up to 112 results in range #1 to #112.

View (previous 250 | next 250) (20 | 50 | 100 | 250 | 500)

P


View (previous 250 | next 250) (20 | 50 | 100 | 250 | 500)