Drilldown: Patents

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Patents > Tech fields: propellers & Granted: Yes & Number of text pages: 3-70

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Supplementary to patent:
None (234) · Patent US-1909-970771 (6) · Patent GB-1908-4519 (5) · Patent FR-1908-404631 (4) · Patent DE-1907-214228 (4) · Patent AT-1909-12-31 Vigilio Baldo (3) · Patent US-1910-993987 (3)
Related to aircraft:
Patent agent:
None (108) · Armengaud jeune (12) · None (11) · Boult, Wade & Tennant (9) · G. de Mestral et F. Harlé (7) · Lavoix et Mosès (7) · Marks & Clerk (6) · J. Bonnet-Thirion (6) · Herbert Haddan & Co. (5) · Weismann et Marx (5) · Schwab (5) · E. Blétry (5) · Munn & Co. (5) · Charles Assi (5) · Haseltine, Lake & Co. (4) · Boramé et Julien (4) · Dupont et Elluin (4) · H. D. Fitzpatrick & Co. (4)
National tech categories:
None (124) · FR 6.4 (121) · HU V/h (37) · FR 6.2 (15) · FR 6.3 (7) · CH 129b (5) · USPC 244/50 (4) · AT 77d (3) · USPC 244/65 (3) · DE 77h.6 (3) · USPC 244/35R (2) · USPC 244/87 (2) · USPC 244/23R (2) · USPC 244/26 (2) · FR 6.1 (2) · CH 115 (2) · DK 77 (2)
IPCs:
None (129) · IPC B64C39/00 (32) · IPC B64C11/00 (24) · IPC B64C23/00 (14) · IPC B64C27/04 (11) · IPC B64C11/36 (9) · IPC B64C1/00 (9) · IPC B64C17/00 (8) · IPC B64C11/16 (7) · IPC B63H1/12 (7) · IPC B64B1/00 (7) · IPC B64D27/00 (6) · IPC B64C33/02 (6) · IPC B64C11/30 (5) · IPC B64D35/04 (5) · IPC B64C35/00 (5) · IPC B64C3/56 (4) · IPC B64C11/04 (4) · IPC B64D35/06 (4)
CPCs:
None (88) · CPC B64C39/00 (22) · CPC B64C23/005 (17) · CPC B64C11/006 (13) · CPC B64C2700/6274 (13) · CPC B64C2700/6295 (11) · CPC B64C13/00 (10) · CPC B64C11/36 (10) · CPC B64C17/00 (9) · CPC B64C11/16 (9) · CPC B64C27/04 (8) · CPC B64B1/00 (8) · CPC B64C2700/6281 (8) · CPC B64C11/00 (7) · CPC B64C33/02 (7) · CPC B64D27/00 (6) · CPC B63H2001/122 (6) · CPC B64C2700/6218 (6) · CPC B64C39/08 (5) · CPC B64D35/04 (5)
First filing:
Citations from after 1930:
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