Drilldown: Patents

Jump to navigation Jump to search
Patents > Patent agent: Victor J. Evans & First filing: Yes & Number of text pages: 2-8

Use the filters below to narrow your results.

Office:
Inventors:
George Lehberger (3) · Robert P. Hall (2) · Samuel S. Yarrington (2) · Ralph P. Fox (2)
Inventor country:
Applicant person:
George Lehberger (3) · Robert P. Hall (2) · Ralph P. Fox (2) · Samuel S. Yarrington (2)
Applicant is inventor:
Tech fields:
None (17) · airplane (16) · stability (15) · frame (15) · propeller (11) · rudder (10) · navigation (9) · hybrid (7) · propulsion (7) · helicopter (5) · safety (5) · automatic stability (4) · parachute (4) · airfoil (4) · takeoff (4) · wheels (4) · flapping (3) · landing (3) · LTA (3) · airship (3)
Full specification filed date:
Application number:
None (7)
Granted:
Publication date:
Supplementary to patent:
Related to aircraft:
Patent agent: (Click arrow to add another value)
National tech categories:
None (9) · USPC 244/80 (8) · USPC 244/119 (4) · USPC 244/139 (3) · USPC 244/45R (3) · USPC 244/79 (3) · USPC 244/66 (3) · USPC 244/73R (2) · USPC 244/48 (2) · USPC 244/104R (2) · USPC 244/131 (2) · USPC 244/100R (2) · USPC 244/35R (2) · USPC 244/87 (2) · USPC 244/64 (2)
CPCs:
CPC B64C17/00 (12) · CPC B64C23/005 (7) · CPC B64B1/00 (4) · CPC B64C27/82 (4) · CPC B64C39/08 (3) · CPC B64C3/385 (3) · CPC B64C17/06 (3) · CPC B64C13/00 (3) · CPC B64C33/02 (3) · CPC B64C2700/6295 (3) · CPC B64C39/005 (2) · CPC Y02E10/74 (2) · CPC Y02E10/28 (2) · CPC B64C9/00 (2) · CPC B64C29/0033 (2)
First filing: (Click arrow to add another value)
Cites these patents:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

Showing below up to 72 results in range #1 to #72.

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


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