Drilldown: Patents

Jump to navigation Jump to search
Patents > Inventor country : DE or NL & Tech fields: propulsion & Application number: None & Assigned to : Sperry Gyroscope Company or Western Electric Company or Westinghouse Air Spring Company or None

Use the filters below to narrow your results.

Office:
Inventors:
None (16) · Richard Czygan (5) · Gustav Knäpper (4) · Gustav Koch (4) · Joseph Hofmann (4) · Ferdinand von Zeppelin (3)
Inventor country: (Click arrow to add another value)
Applicant person:
None (74) · Richard Czygan (3) · Joseph Hofmann (3) · Gustav Knäpper (3) · Gustav Kerwat (2) · Fritz Alexander Jone (2) · Otto Koch (2) · Ernst Georg August Baumgarten (2) · Robert Werner (2) · Carl Hanschke (2)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number: (Click arrow to add another value)
Granted:
Related to aircraft:
Patent agent:
None (91) · Blétry frères (2) · W. P. Thompson & Co. (2) · Abel & Imray (2) · Bourry-Séquin (2)
Assigned to: (Click arrow to add another value)
National tech categories:
None (25) · DE 77 (22) · AT 77d (8) · GB 4 propel & steer (7) · DE 77h (6) · DE 77h.6 (6) · CH 115 (4) · GB 4 with buoyant (4) · DE 77h.10 (4) · GB 4 without buoyant (3) · FR 6.4 (3) · DE 77h.11 (3) · DE 77h.5 (3) · USPC 416/194 (3)
IPCs:
None (86) · IPC B64C11/00 (6) · IPC B64C39/00 (6) · IPC B64C33/02 (6) · IPC B64B1/00 (3) · IPC B64B1/40 (2) · IPC B64D37/02 (2) · IPC B64D35/06 (2)
CPCs:
None (82) · CPC B64B1/00 (5) · CPC B64C33/02 (4) · CPC B64C11/006 (4) · CPC B64C11/00 (3) · CPC B64C3/42 (2) · CPC B64C33/00 (2) · CPC B64D7/02 (2) · CPC B64B1/58 (2)
First filing:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

Showing below up to 135 results in range #1 to #135.

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

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