Drilldown: Patents

Jump to navigation Jump to search
Patents > Tech fields: Propulsion & Number of text pages: 2 & Number of claims: 4-12

Use the filters below to narrow your results.

Office:
Inventors:
None (2) · Albert Hugo Friedel (2) · Jean Desbois (2) · Alfred-Eugène Pichou (2) · Ferdinand Porsche (2) · Carl Hanschke (2)
Inventor country:
Applicant person:
None (18) · Carl Hanschke (2) · Albert Hugo Friedel (2) · Alfred-Eugène Pichou (2) · Jean Desbois (2) · Ferdinand Porsche (2)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number:
None (45)
Granted:
Publication date:
Related to aircraft:
Patent agent:
None (41) · Munn & Co. (7) · None (6) · Armengaud jeune (3) · E. Blétry (3) · Matray frères et Cie (2) · R. S. & A. B. Lacey (2) · Charles Dony (2)
National tech categories:
FR 6.4 (20) · None (16) · HU V/h (5) · AT 77d (4) · FR 6.3 (4) · DE 77h.6 (3) · FR 6.2 (3) · USPC 244/6 (3) · USPC 244/70 (3)
CPCs:
None (19) · CPC B64C23/005 (9) · CPC B64B1/00 (8) · CPC B64C39/005 (7) · CPC B64C11/00 (5) · CPC B64C39/00 (4) · CPC B64C33/02 (4) · CPC B64C2700/6295 (4) · CPC B64C2700/6274 (4) · CPC B64B1/58 (4) · CPC B64C11/006 (4) · CPC B64C39/008 (3) · CPC B64C27/82 (2) · CPC B64C11/04 (2) · CPC B64C33/00 (2) · CPC B64D27/04 (2) · CPC B64C2700/6281 (2)
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
Number of claims:
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)