Drilldown: Patents

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Patents > Assigned to : Ira J. Webster or None & Number of claims: 11-20

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Office:
Inventor country:
Inventor location:
None (396) · Massachusetts (5) · New Jersey (4) · Dayton (4) · Chicago (4) · Ohio (4) · New York state (4) · Texas (4) · San Antonio (3) · St. Louis (3) · Hampden County, Massachusetts (3) · Bexar county, TX (3)
Applicant is inventor:
Tech fields:
airplane (131) · stability (97) · frame (85) · None (82) · propulsion (60) · LTA (60) · design (51) · navigation (50) · propeller (49) · rudder (42) · wings (34) · propellers (29) · control (29) · automatic stability (27) · flapping (27) · Whole (26) · construction (25) · marine (25) · hybrid (24)
Application number:
None (141)
Granted:
Supplementary to patent:
None (388) · Patent US-1916-1208684 (3) · Patent GB-1913-16499 (3) · Patent GB-1909-8531 (3) · Patent FR-1902-324521 (2) · Patent FR-1908-404631 (2) · Patent GB-1910-6051 (2) · Patent DE-1911-05-Bomhard (2) · Patent AU-1914-14892 (2) · Patent US-1903-821393 (2) · Patent US-1909-970771 (2) · Patent US-1908-1077750 (2)
Related to aircraft:
Patent agent:
None (112) · Munn & Co. (28) · None (19) · Marks & Clerk (12) · John P. Tarbox (11) · Boult, Wade & Tennant (9) · Haseltine, Lake & Co. (8) · E. Blétry (6) · Armengaud jeune (4) · Victor J. Evans (4) · Borame et Julien (4) · Herbert Haddan & Co. (4) · Jensen & Son (4) · Abel & Imray (4)
Assigned to: (Click arrow to add another value)
National tech categories:
None (186) · FR 6.4 (28) · HU V/h (22) · USPC 244/22 (15) · USPC 244/80 (14) · USPC 244/45R (12) · USPC 244/90R (11) · AU 90.3 (7) · USPC 244/233 (6) · USPC 244/30 (6) · USPC 244/177 (5) · USPC 244/119 (5) · USPC 244/28 (5)
IPCs:
None (294) · IPC B64C39/00 (20) · IPC B64C1/00 (19) · IPC B64C17/00 (17) · IPC B64B1/00 (14) · IPC B64C3/38 (9) · IPC B64C17/06 (7) · IPC B64C3/00 (6) · IPC B64C25/00 (6) · IPC B64C23/00 (6) · IPC B64C33/00 (6) · IPC B64B1/58 (5) · IPC B64C33/02 (4) · IPC B64C3/14 (3) · IPC B64C13/00 (3) · IPC B64C29/00 (3) · IPC B64C13/24 (3) · IPC B64C3/54 (3)
CPCs:
None (85) · CPC B64C17/00 (39) · CPC B64B1/00 (34) · CPC B64C33/02 (23) · CPC B64C2700/6295 (23) · CPC B64C13/00 (20) · CPC B64C23/005 (19) · CPC B64C3/385 (15) · CPC B64C39/08 (13) · CPC B64C39/00 (11) · CPC B64C33/00 (11) · CPC B64C39/005 (9) · CPC B64C13/24 (7) · CPC B64C17/06 (7) · CPC B64C3/00 (7) · CPC B64B1/58 (6) · CPC B64C2700/6218 (6)
First filing:
Citations from after 1930:
Number of diagram pages:

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