Drilldown: Patents

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Patents > Tech fields : control or propellers & Number of claims: 4-90

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Supplementary to patent:
None (284) · Patent US-1909-970771 (6) · Patent GB-1909-2111 (5) · Patent DE-1907-214228 (4) · Patent GB-1908-4519 (4) · Patent IT-1910-10-17 Carlo Navaro (4) · Patent DE-1909-220044 (3) · Patent IT-1911-06-09 Carlo Navaro (3) · Patent DE-1910-06-18 Carl Hanschke (3) · Patent DE-1908-239989 (3) · Patent GB-1910-6051 (3) · Patent GB-1909-8531 (3) · Patent AT-1909-12-31 Vigilio Baldo (3)
Related to aircraft:
Patent agent:
None (161) · None (13) · Marks & Clerk (13) · Munn & Co. (12) · Boult, Wade & Tennant (10) · Haseltine, Lake & Co.‎ (9) · Herbert Haddan & Co. (7) · John P. Tarbox (7) · Abel & Imray (6) · E. Blétry (5) · Armengaud jeune (5) · Brewer & Son (5) · Schwab (5) · Boult, Wade, and Tennant (4) · Brierley & Howard (4) · Lavoix et Mosès (4) · H. D. Fitzpatrick & Co. (4)
National tech categories:
None (194) · FR 6.4 (55) · HU V/h (49) · AT 77d (8) · CH 129b (7) · DE 77h.5 (6) · USPC 244/233 (6) · FR 6.3 (5) · USPC 244/45R (5) · DE 77 (5) · USPC 244/80 (4) · USPC 244/229 (4) · DK 77 (4) · USPC 244/90R (3) · USPC 244/79 (3) · USPC 244/76R (3) · USPC 244/48 (3) · USPC 244/234 (3) · USPC 244/50 (3)
IPCs:
None (208) · IPC B64C13/00 (30) · IPC B64C17/00 (25) · IPC B64C39/00 (20) · IPC B64C1/00 (18) · IPC B64C11/00 (10) · IPC B64C23/00 (9) · IPC B64C33/02 (8) · IPC B64C3/38 (7) · IPC B64C13/12 (7) · IPC B64B1/00 (6) · IPC B64C11/16 (6) · IPC B64C3/54 (5) · IPC B64D27/00 (4) · IPC B64C35/00 (4) · IPC B64C13/24 (4) · IPC B64C27/04 (4)
CPCs:
None (128) · CPC B64C13/00 (47) · CPC B64C17/00 (29) · CPC B64C2700/6256 (20) · CPC B64C13/12 (12) · CPC B64C3/385 (10) · CPC B64C2700/6218 (9) · CPC B64C33/02 (9) · CPC B64C23/005 (9) · CPC B64C39/00 (9) · CPC B64B1/00 (9) · CPC B64C13/24 (8) · CPC B64C2700/6295 (8) · CPC B64C11/16 (7) · CPC B64C9/00 (6) · CPC B64C2700/6214 (6) · CPC B64C2700/6274 (6) · CPC B64C39/005 (5) · CPC B64C33/00 (5) · CPC B64C39/08 (5)
First filing:
Citations from after 1930:
Number of diagram pages:

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