Drilldown: Patents

Jump to navigation Jump to search
Patents > Grant date: 1920 - 1929 & Assigned to: None & Number of claims: 7-20

Use the filters below to narrow your results.

Office:
Inventors:
None (8) · Robert Kemp (2) · Richard A. Engler (2) · Spencer Heath (2) · George Lanzius (2) · Erastus E. Winkley (2) · Edward Eugene Brown (2) · Vilmos Zurowec (2) · William B. Stout (2) · William Davey Oddy (2) · Alfred John Macy (2) · Charles Arthur Wragg (2) · Ruter William Springer (2)
Inventor country:
Applicant person:
None (16) · William B. Stout (2) · Richard A. Engler (2) · Erastus E. Winkley (2) · Edward Eugene Brown (2) · Spencer Heath (2) · Vilmos Zurowec (2) · Ruter William Springer (2) · William Davey Oddy (2) · Alfred John Macy (2)
Applicant is inventor:
Tech fields:
airplane (21) · design (17) · None (12) · propellers (12) · wings (12) · frame (10) · construction (8) · biplane (7) · stability (7) · aerodynamics (7) · propeller (6) · motors (5) · lift (5) · HTA (5) · landing (4) · subsystem (4) · control (4) · fuselage (4) · chassis (4)
Full specification filed date:
Application number:
None (20)
Granted:
Publication date:
Related to aircraft:
Patent agent:
None (26) · John P. Tarbox (3) · None (3) · William Wallace White (3) · Fritz Isler (2)
Assigned to: (Click arrow to add another value)
IPCs:
None (14) · IPC B64C3/00 (5) · IPC B64C39/00 (4) · IPC B64C11/00 (4) · IPC B64C35/00 (4) · IPC B64D27/00 (3) · IPC B64C17/00 (3) · IPC B64C3/38 (2) · IPC B64C1/06 (2) · IPC B64C1/00 (2) · IPC B64C25/00 (2) · IPC B64C23/00 (2) · IPC B64C3/56 (2) · IPC B64C29/00 (2) · IPC B64C33/00 (2) · IPC B64C17/06 (2) · IPC B64C11/20 (2)
CPCs:
None (12) · CPC B64C3/00 (6) · CPC B64C35/00 (5) · CPC B64C2700/6235 (4) · CPC B64C2700/6295 (3) · CPC B64D27/00 (3) · CPC B64C17/00 (3)
First filing:
Citations from after 1930:
Number of diagram pages:

Showing below up to 82 results in range #1 to #82.

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


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