Drilldown: Patents

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Patents > Tech fields : Hybrid or control & Number of claims: 4-30

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None (378) · Seine (7) · Nord (6) · London (6) · Budapest (5) · New York (4) · New York state (4) · New York county (4) · Massachusetts (3)
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Supplementary to patent:
None (310) · Patent GB-1909-2111 (5) · Patent IT-1910-10-17 Carlo Navaro (4) · Patent IT-1911-06-09 Carlo Navaro (3)
Related to aircraft:
Patent agent:
None (100) · None (19) · Munn & Co. (16) · Armengaud jeune (14) · Haseltine, Lake & Co. (13) · Marks & Clerk (13) · John P. Tarbox (10) · Schwab (9) · Abel & Imray (8) · Boult, Wade & Tennant (6) · L. Chassevent (6) · E. Blétry (5) · Herbert Haddan & Co. (5) · Brierley & Howard (4) · Brewer & Son (4) · Lavoix et Mosès (4) · Rayner & Co. (4) · Victor J. Evans (4)
National tech categories:
None (178) · FR 6.4 (93) · HU V/h (16) · USPC 244/22 (7) · USPC 244/64 (7) · USPC 244/11 (6) · USPC 244/35R (6) · DE 77h.5 (5) · USPC 244/48 (5) · AU 90.3 (5) · USPC 244/45R (4) · USPC 244/234 (4) · USPC 244/233 (4) · USPC 244/218 (4) · USPC 244/5 (4) · USPC 244/6 (4) · FR 6.3 (4) · USPC 244/25 (4) · DE 77 (4) · AT 77d (4)
IPCs:
None (197) · IPC B64C13/00 (32) · IPC B64C17/00 (30) · IPC B64C39/00 (23) · IPC B64C1/00 (22) · IPC B64C23/00 (18) · IPC B64B1/00 (17) · IPC B64C35/00 (10) · IPC B64C33/02 (9) · IPC B64C33/00 (8) · IPC B64C3/38 (8) · IPC B64C13/12 (7) · IPC B64C3/54 (6) · IPC B64C27/04 (6) · IPC B64C13/24 (6) · IPC B64C3/56 (4) · IPC B64C3/00 (4) · IPC B64C11/00 (4)
CPCs:
None (86) · CPC B64C13/00 (50) · CPC B64C17/00 (35) · CPC B64B1/00 (32) · CPC B64C23/005 (28) · CPC B64C2700/6256 (25) · CPC B64C33/02 (16) · CPC B64C33/00 (15) · CPC B64C35/00 (13) · CPC B64C39/00 (13) · CPC B64C3/385 (12) · CPC B64C13/12 (12) · CPC B64C2700/6218 (11) · CPC B64C2700/6274 (10) · CPC B64C2700/6295 (9) · CPC B64C13/24 (9) · CPC B64C39/005 (9) · CPC B64C2700/6214 (8)
First filing:
Citations from after 1930:
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