Drilldown: Patents

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Patents > Tech fields : propeller or takeoff & Number of figures: 3-8

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Supplementary to patent:
None (361) · Patent US-1909-970771 (7) · Patent DE-1899-123884 (4) · Patent GB-1911-5162 (4) · Patent AT-1909-49294 (3) · Patent GB-1909-12556 (3) · Patent FR-1904-340154 (3) · Patent FR-1904-340154.4984 (2) · Patent GB-1908-28547 (2) · Patent DE-1916-332540 (2) · Patent BE-1908-Bot-Lallemand (2) · Patent US-1910-1055379 (2) · Patent FR-1909-410140 (2)
Related to aircraft:
Patent agent:
None (168) · None (12) · Munn & Co. (11) · Victor J. Evans (6) · Schwab (5) · Charles Dony (5) · Watson E. Coleman (5) · C. A. Snow & Co. (5) · Haseltine, Lake & Co. (4) · J. Bonnet-Thirion (4) · H. C. Everett Co. (4) · Dom. Casalonga (3) · Boult, Wade & Tennant (3) · E. Blétry (3) · Abel & Imray (3) · Knight Bros. (3) · Chassevent (3) · Phillipss (3) · Herbert Haddan & Co. (3)
National tech categories:
None (110) · FR 6.4 (56) · DE 77h.6 (19) · AT 77d (17) · DE 77 (10) · USPC 244/63 (9) · USPC 244/66 (7) · USPC 244/22 (7) · USPC 244/51 (7) · USPC 244/26 (6) · CH 115 (6) · USPC 244/6 (6) · DE 77h (5) · FR 6.2 (5) · FR 6.3 (5) · USPC 244/64 (5) · USPC 244/13 (5) · USPC 244/70 (5)
IPCs:
None (284) · IPC B64B1/00 (13) · IPC B64C25/00 (12) · IPC B64C11/00 (11) · IPC B64C39/00 (9) · IPC B64C11/16 (9) · IPC B64C35/00 (7) · IPC B64C23/00 (7) · IPC B64B1/58 (6) · IPC B64C29/00 (5) · IPC B64C17/00 (5) · IPC B64C11/04 (5) · IPC B64C27/04 (5) · IPC B64C27/00 (5) · IPC B64C25/62 (4) · IPC B64C11/20 (4) · IPC B64F1/06 (4)
CPCs:
None (97) · CPC B64B1/00 (30) · CPC B64C23/005 (26) · CPC B64C11/006 (21) · CPC B64C2700/6295 (13) · CPC B64C39/005 (13) · CPC B64C11/48 (13) · CPC B64C33/02 (11) · CPC B64C25/62 (10) · CPC B64C35/00 (9) · CPC B64C17/00 (9) · CPC B64C11/16 (7) · CPC B64C25/06 (7) · CPC B64C11/04 (7) · CPC B64C3/14 (7) · CPC B64C3/385 (7)
First filing:
Citations from after 1930:
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