Drilldown: Patents

Jump to navigation Jump to search
Patents > Applicant firm: None & Number of text pages: 3-4 & Number of diagram pages: 3-4

Use the filters below to narrow your results.

Office:
Inventor location:
None (491) · Pennsylvania (7) · Seine (5) · Los Angeles (4) · St. Louis (4) · New York City (4) · Paris (4) · Allegheny county, Pennsylvania (3) · PA (3) · Missouri (3) · Pittsburgh (3) · New York (3) · Virginia (3) · Chicago (3) · New York state (3) · Minnesota (3) · California (3)
Applicant firm: (Click arrow to add another value)
Applicant is inventor:
Tech fields:
airplane (151) · frame (126) · None (119) · propulsion (102) · stability (93) · navigation (77) · LTA (66) · propeller (58) · rudder (49) · construction (43) · design (42) · control (40) · hybrid (37) · wheels (34) · Helicopter (33) · flapping (33) · propellers (31) · wings (30)
Full specification filed date:
Application number:
Granted:
Supplementary to patent:
None (494) · Patent FR-1912-449486 (2) · Patent GB-1908-4519 (2) · Patent IT-1913-03-20 Vigilio Baldo (2) · Patent BE-1909-11-19-Bourdelles (2)
Related to aircraft:
Assigned to:
None (558) · Martin Bowman (2) · Carin E. Norwall (2) · Gustav F. Hellstrom Sr (2) · Gustav F. Hellstrom Jr (2)
National tech categories:
None (192) · FR 6.4 (67) · USPC 244/80 (21) · USPC 244/90R (18) · USPC 244/22 (17) · USPC 244/48 (14) · USPC 244/6 (14) · HU V/h (11) · FR 6.3 (9) · USPC 244/45R (9) · USPC 244/100R (9) · USPC 244/46 (8) · USPC 244/66 (8) · USPC 244/30 (8) · USPC 244/113 (7) · USPC 244/233 (7) · USPC 244/25 (7) · USPC 244/93 (7)
IPCs:
None (334) · IPC B64C39/00 (37) · IPC B64B1/00 (29) · IPC B64C17/00 (25) · IPC B64C1/00 (19) · IPC B64C3/38 (17) · IPC B64C23/00 (16) · IPC B64C33/00 (13) · IPC B64C13/00 (10) · IPC B64C33/02 (9) · IPC B64C27/04 (8) · IPC B64C25/00 (7) · IPC B64C35/00 (6) · IPC B64C11/00 (6) · IPC B64C3/56 (5) · IPC B64C3/00 (5) · IPC B64C3/54 (4) · IPC CPC B64C13/00 (3)
CPCs:
CPC B64C17/00 (52) · CPC B64C23/005 (51) · None (50) · CPC B64B1/00 (45) · CPC B64C33/02 (38) · CPC B64C3/385 (34) · CPC B64C2700/6295 (32) · CPC B64C13/00 (29) · CPC B64C39/005 (24) · CPC B64C39/00 (18) · CPC B64C39/08 (17) · CPC B64C33/00 (16) · CPC B64C2700/6274 (12) · CPC B64C11/006 (10) · CPC B64C2700/6218 (8) · CPC B64C3/56 (7) · CPC B64C35/00 (7) · CPC B64C3/40 (7) · CPC B64C2700/6281 (7)
First filing:
Citations from after 1930:
Number of text pages:
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)