Drilldown: Patents

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Patents > Tech fields : lift or propeller or None & Number of claims: 4-5

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Supplementary to patent:
None (273) · Patent GB-1911-5162 (2) · Patent FR-1908-407090 (2) · Patent GB-1905-1140 (2) · Patent FR-1904-340154.4984 (2) · Patent FR-1904-340154 (2) · Patent GB-1909-2111 (2) · Patent GB-1911-19430 (2) · Patent FR-1909-410140 (2)
Related to aircraft:
Patent agent:
None (69) · Armengaud jeune (16) · None (15) · Munn & Co. (9) · Marks & Clerk (8) · Haseltine, Lake & Co. (8) · Victor J. Evans (7) · L. Chassevent (6) · W. P. Thompson & Co. (4) · Abel & Imray (4) · Phillipss (4) · C. A. Snow & Co. (4) · E. Blétry (4) · Brewer & Son (4) · Paul Caquet (3) · Wheatley & Mackenzie (3) · A. A. Thornton (3) · G. de Mestral et F. Harlé (3) · Chassevent (3) · Herbert Haddan & Co. (3)
National tech categories:
None (146) · FR 6.4 (70) · USPC 244/45R (8) · HU V/h (6) · USPC 244/80 (4) · USPC 244/6 (4) · AT 77d (4) · USPC 244/22 (4) · USPC 244/64 (4) · DE 77h.6 (4) · USPC 244/70 (3) · USPC 244/30 (3) · FR 6.3 (3) · USPC 416/112 (3) · USPC 244/101 (3) · USPC 244/20 (3)
IPCs:
None (166) · IPC B64C39/00 (27) · IPC B64C3/38 (14) · IPC B64C23/00 (12) · IPC B64C17/00 (12) · IPC B64C3/00 (11) · IPC B64C1/00 (10) · IPC B64C11/00 (8) · IPC B64B1/00 (7) · IPC B64C35/00 (7) · IPC B64C27/04 (6) · IPC B64C13/00 (6) · IPC B64C33/02 (5) · IPC B64C27/00 (4) · IPC B64C3/54 (4) · IPC B64C3/52 (4)
CPCs:
None (55) · CPC B64C2700/6295 (29) · CPC B64C17/00 (21) · CPC B64C3/385 (20) · CPC B64C23/005 (20) · CPC B64C39/00 (17) · CPC B64C33/02 (11) · CPC B64C11/006 (11) · CPC B64B1/00 (11) · CPC B64C39/08 (11) · CPC B64C3/00 (10) · CPC B64C39/005 (10) · CPC B64C2700/6274 (9) · CPC B64C13/00 (9) · CPC B64C35/00 (8) · CPC B64C2700/6281 (6) · CPC B64C2700/6256 (6) · CPC B64C3/54 (5) · CPC B64C11/48 (5) · CPC B64C2700/6235 (5)
First filing:
Citations from after 1930:
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