Drilldown: Patents

Jump to navigation Jump to search
Patents > Year granted: 1920 - 1929 & Number of claims: None

Use the filters below to narrow your results.

Office:
Inventor country:
Applicant is inventor:
Tech fields:
None (312) · airplane (32) · propeller (16) · construction (10) · frame (9) · design (9) · propellers (8) · propulsion (7) · subsystem (7) · wings (6) · navigation (6) · whole (4) · aerodynamics (4) · piloting (4) · control (4) · fuselage (4) · stability (4) · steering (4) · landing (4)
Full specification filed date:
Application number:
Granted:
Publication date:
Related to aircraft:
National tech categories:
None (318) · FR 6.4 (15) · DE 77h.5 (9) · DE 77h.6 (5) · NL 62 (5) · NL 62.6 (3) · USPC 244/90R (2) · AT 77d (2)
IPCs:
None (327) · IPC B64C11/00 (6) · IPC B64C3/00 (6) · IPC B64C1/00 (4) · IPC B64C11/04 (3) · IPC B64C17/00 (3) · IPC B64C13/00 (3) · IPC CPC B64C13/00 (3) · IPC B64C11/20 (2) · IPC B64B1/00 (2)
CPCs:
CPC B64C3/00 (30) · CPC B64C39/00 (27) · None (24) · CPC B64C2700/6295 (24) · CPC B64C17/00 (23) · CPC B64C13/00 (21) · CPC B64C2700/6233 (18) · CPC B64C2700/6256 (17) · CPC B64C23/005 (15) · CPC B64C11/04 (12) · CPC B64C2700/6212 (11) · CPC B64C3/185 (9) · CPC B64C2700/6235 (9) · CPC B64C2700/6274 (9) · CPC B64C3/385 (8) · CPC B64C2001/0081 (8) · CPC B64B1/00 (8) · CPC B62C5/04 (8)
First filing:
Cites these patents:
Citations from after 1930:
Number of claims:
Number of diagram pages:

Showing below up to 250 results in range #1 to #250.

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

P


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