Drilldown: Patents

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Patents > Tech fields : propeller or wings & Number of claims: 1

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Application number:
None (99) · 21638D (2)
Granted:
Supplementary to patent:
None (171) · Patent BE-1911-04-14 Lucien-Constant-Joseph Harel (3) · Patent FR-1908-392672 (2) · Patent DE-1911-263643 (2) · Patent FR-1899-292828 (2) · Patent DE-1907-194165 (2) · Patent DE-1899-123884 (2) · Patent DE-1898-126955 (2) · Patent BE-1911-11-17 (2) · Patent FR-1911-429224 (2) · Patent FR-1916-491738 (2) · Patent FR-1908-407090 (2) · Patent FR-1909-401348 (2)
Related to aircraft:
Patent agent:
None (134) · Armengaud jeune (18) · None (14) · G. de Mestral et F. Harlé (10) · J. Bonnet-Thirion (8) · Weismann et Marx (4) · J. Fayollet (4) · E. Blétry (4) · J. Germain (4) · P. Follin (4) · C. Blétry (3) · Dom. Casalonga (3)
Assigned to:
National tech categories:
FR 6.4 (139) · None (24) · HU V/h (16) · DE 77h.5 (12) · DE 77h.6 (12) · RU Group V (12) · AT 77d (12) · DE 77 (8) · FR 6.3 (5) · DE 77h.7 (4) · DE 77h (4) · FR 6.2 (4) · RU 62b (3) · FR 10.4 (2) · USPC 244/73R (2) · USPC 244/72 (2) · CH 115 (2) · USPC 244/66 (2)
IPCs:
None (90) · IPC B64C17/00 (25) · IPC B64C1/00 (22) · IPC B64C39/00 (16) · IPC B64C23/00 (16) · IPC B64C3/00 (13) · IPC B64C33/02 (13) · IPC B64C3/38 (10) · IPC B64C11/00 (10) · IPC B64C3/56 (8) · IPC B64B1/00 (7) · IPC B64C3/48 (6) · IPC B64C3/52 (6) · IPC B64C3/14 (6) · IPC B64C3/54 (5) · IPC B64B1/58 (4) · IPC B64C3/18 (4) · IPC B64C13/00 (4) · IPC B64C3/26 (4) · IPC B64C11/16 (4)
CPCs:
None (65) · CPC B64C17/00 (25) · CPC B64C23/005 (18) · CPC B64C33/02 (13) · CPC B64C3/00 (13) · CPC B64C39/00 (11) · CPC B64C11/006 (11) · CPC B64C2700/6218 (10) · CPC B64C3/385 (9) · CPC B64C2700/6295 (9) · CPC B64B1/00 (9) · CPC B64C3/56 (8) · CPC B64C2700/6233 (8) · CPC B64C3/14 (7) · CPC B64C3/52 (6) · CPC B64C3/48 (6) · CPC B64C2700/6274 (6) · CPC B64C33/00 (6) · CPC Y02T50/166 (6)
First filing:
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Citations from after 1930:
Number of text pages:
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