Drilldown: Patents

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Patents > Year granted: 1920 - 1929 & Applicant is inventor: Yes & Number of claims: 4-20

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Office:
Inventors:
None (4) · Charles Arthur Wragg (4) · Joseph Vanorio (3) · Ernst Heinkel (3)
Inventor country:
Applicant person:
None (20) · Charles Arthur Wragg (3) · John William Rapp (3) · Joseph Vanorio (3) · Ernst Heinkel (3)
Applicant is inventor: (Click arrow to add another value)
Tech fields:
airplane (36) · None (26) · design (22) · frame (21) · propellers (20) · wings (19) · construction (14) · propeller (12) · control (11) · stability (11) · propulsion (11) · fuselage (10) · LTA (9) · aerodynamics (8) · subsystem (8) · lift (7) · rudder (7) · military (7)
Full specification filed date:
Application number:
None (44)
Granted:
Publication date:
Supplementary to patent:
None (135) · Patent US-1918-1589780 (3)
Related to aircraft:
Patent agent:
None (72) · None (4) · Herbert H. Thompson (4) · John P. Tarbox (3) · Fritz Isler (2) · A. M. & William Clark (2) · E. Wattier (2) · Joseph F. O'Brien (2) · Haseltine, Lake & Co.‎ (2) · Munn & Co. (2) · Dupont et Elluin (2) · Davis & Davis (2)
National tech categories:
None (89) · FR 6.4 (16) · HU V/h (9) · DE 77h.5 (8) · CH 129b (3) · DE 77h.6 (3) · DE 77h.7 (2) · USPC 244/101 (2) · AT 77d (2) · USPC 244/234 (2) · USPC 244/119 (2) · USPC 244/231 (2) · USPC 244/22 (2)
IPCs:
None (25) · IPC B64C3/00 (15) · IPC B64C1/00 (7) · IPC B64C39/00 (7) · IPC B64C35/00 (6) · IPC B64C13/00 (6) · IPC B64C23/00 (6) · IPC B64C25/00 (5) · IPC B64C17/00 (5) · IPC B64C11/20 (5) · IPC B64C13/12 (4) · IPC B64D27/00 (4) · IPC B64C11/04 (4) · IPC B64C11/00 (4) · IPC B64C3/38 (4) · IPC B64C3/18 (3) · IPC B64C17/06 (3) · IPC B64C3/56 (3) · IPC B64C29/00 (3)
CPCs:
None (19) · CPC B64C3/00 (14) · CPC B64C2700/6235 (7) · CPC B64C13/00 (7) · CPC B64C35/00 (6) · CPC B64C2700/6233 (6) · CPC B64C23/005 (6) · CPC B64C11/04 (5) · CPC B64C17/00 (5) · CPC B64D27/00 (4) · CPC B64C2700/6256 (4) · CPC B64C13/12 (4) · CPC B64C11/20 (4) · CPC B64C2700/6295 (4)
First filing:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

Showing below up to 172 results in range #1 to #172.

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