Drilldown: Patents

Jump to navigation Jump to search
Patents > Year granted: 1920 - 1929 & Applicant person : James Dennis Roots or None

Use the filters below to narrow your results.

Year granted:
Office:
Inventors:
None (133) · Glenn Hammond Curtiss (5) · Robert Kemp (4) · William L. Gilmore‎ (3) · John P. Tarbox (3) · Jakob Haw (3) · Deutsche Flugzeug Werke (3) · Ralph Hazlett Upson (2) · Joseph F. Meade (2) · Albert Francis Zahm (2) · Gustave Delage (2) · Henry L. Haskell (2) · Christian Lorenzen (2)
Inventor country:
Applicant person: (Click arrow to add another value)
Applicant firm:
None (31) · Helix Propeller G.m.b.H. (7) · Curtiss Aeroplane (7) · Luftschiffbau Schütte-Lanz (6) · Société Anonyme des Établissements Nieuport (6) · AGO Flugzeugwerke G. m. b. H. (5) · Zeppelin-Werke G.m.b.H. (5) · Mercur Flugzeugbau (5) · Österreichische Daimler Motoren A. G. (4) · Gothaer Waggonfabrik A. G. (4) · Rumpler-Werke G.m.b.H. in Berlin-Johannisthal (4) · Société des Avions Louis Bréguet (4) · Allgemeine Elektricitäts-Gesellschaft (4)
Applicant is inventor:
Tech fields:
Full specification filed date:
Application number:
None (72)
Granted:
Publication date:
Supplementary to patent:
None (128) · Patent FR-1916-493411 (3) · Patent DE-1916-332540 (2) · Patent DE-1917-305040 (2) · Patent DE-1919-319462 (2)
Related to aircraft:
IPCs:
None (83) · IPC B64C3/00 (13) · IPC B64C35/00 (9) · IPC B64C1/00 (6) · IPC B64C11/04 (5) · IPC B64D7/02 (4) · IPC B64C11/20 (4) · IPC B64C11/00 (4) · IPC B64C3/18 (3) · IPC B64C25/62 (3) · IPC B64C11/36 (3) · IPC B64C11/14 (3) · IPC B64D27/04 (3) · IPC B64C11/16 (3) · IPC B64B1/64 (3) · IPC B64B1/58 (3)
CPCs:
None (57) · CPC B64C3/00 (16) · CPC B64C35/00 (10) · CPC B64C2700/6233 (7) · CPC B64C13/00 (7) · CPC B64C11/04 (5) · CPC B64D7/02 (5) · CPC B64C2001/0063 (5) · CPC B64C2700/6235 (5) · CPC B64B1/58 (4) · CPC B64C17/00 (4) · CPC B64B1/40 (4) · CPC B64C1/12 (4) · CPC B64C11/20 (4) · CPC B64C11/00 (4) · CPC B64B1/64 (4)
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

Showing below up to 197 results in range #1 to #197.

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

P


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