Drilldown: Patents

Jump to navigation Jump to search
Patents > Inventor country : NL or US & Number of claims: None & Number of diagram pages: 2-50000000

Use the filters below to narrow your results.

Office:
Inventors:
None (2) · Michael H. Whalen (2) · Albert Hugo Friedel (2) · Alexander Albert Holle (2)
Inventor country: (Click arrow to add another value)
Applicant person:
None (23) · Michael H. Whalen (2)
Applicant is inventor:
Tech fields:
Airplane (29) · LTA (19) · propulsion (16) · frame (12) · propeller (12) · stability (11) · None (10) · navigation (10) · Helicopter (7) · rudder (5) · parachute (5) · kite (5) · balloon (5) · hybrid (4) · airfoil (4) · landing (4) · ornithopter (3) · wheels (3) · safety (3) · marine (3)
Full specification filed date:
Application number:
None (20) · propeller (5) · navigation (5) · propulsion (4) · rudder (3) · stability (2)
Granted:
Related to aircraft:
National tech categories:
None (20) · FR 6.4 (6) · USPC 244/13 (3) · USPC 416/163 (2) · USPC 244/80 (2) · USPC 244/48 (2) · USPC 244/30 (2) · 1 (2) · USPC 244/153R (2) · USPC 244/22 (2)
CPCs:
None (28) · CPC B64B1/00 (7) · CPC B64C13/00 (6) · CPC B64C3/385 (4) · 1 (4) · CPC B64C17/00 (4) · CPC B64C11/006 (3) · CPC B64C33/02 (3) · CPC B64C5/04 (2) · CPC B64C39/08 (2) · CPC B64C3/14 (2) · CPC B64C2700/6218 (2) · CPC B64C2700/6295 (2) · CPC B64B1/40 (2)
First filing:
Citations from after 1930:
Number of claims:

Showing below up to 94 results in range #1 to #94.

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

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