Drilldown: Patents

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Patents > Tech fields : lift or propeller or safety & Number of claims: 1-2

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None (174)
Granted:
Supplementary to patent:
None (261) · Patent FR-1908-392672 (8) · Patent FR-1912-449070 (4) · Patent CH-1909-48028 (3) · Patent BE-1911-04-14 Lucien-Constant-Joseph Harel (3) · Patent SE-1906-25199 (3) · Patent FR-1912-450892 (3) · Patent DE-1913-290120 (3) · Patent DE-1912-279343 (2) · Patent FR-1908-407090 (2) · Patent DE-1893-73799 (2) · Patent FR-1909-410848 (2) · Patent AT-1909-IE (2) · Patent NZ-1909-26981 (2) · Patent DE-1899-123884 (2) · Patent FR-1913-450892.17436 (2) · Patent DE-1913-293131 (2) · Patent DE-1907-194165 (2) · Patent FR-1910-418630 (2)
Related to aircraft:
Patent agent:
None (163) · Armengaud jeune (21) · None (9) · G. de Mestral et F. Harle (8) · H. Bœttcher fils (6) · Dom. Casalonga (6) · Victor J. Evans (6) · E. Blétry (6) · J. Bonnet-Thirion (6) · L. Chassevent (5) · J. Germain (5) · Munn & Co. (4)
National tech categories:
FR 6.4 (130) · None (65) · AT 77d (20) · HU V/h (16) · DE 77h.6 (11) · DE 77h.5 (9) · DE 77 (9) · FR 6.2 (7) · FR 6.3 (6) · RU Group V (6) · USPC 244/73R (5) · DK 77 (4) · USPC 244/66 (4)
IPCs:
None (166) · IPC B64B1/00 (20) · IPC B64C39/00 (18) · IPC B64C17/00 (16) · IPC B64C1/00 (14) · IPC B64C11/00 (12) · IPC B64C23/00 (11) · IPC B64C3/54 (9) · IPC B64D17/00 (8) · IPC B64C27/00 (6) · IPC B64C3/48 (6) · IPC B64B1/58 (6) · IPC B64C3/38 (6) · IPC B64C11/16 (5) · IPC B64C5/04 (4) · IPC B64C3/52 (4) · IPC B64C3/00 (4)
CPCs:
None (103) · CPC B64B1/00 (22) · CPC B64C23/005 (18) · CPC B64C17/00 (17) · CPC B64C2700/6295 (13) · CPC B64C39/00 (13) · CPC B64C11/006 (11) · CPC B64D17/00 (10) · CPC B64C3/54 (8) · CPC B64C11/001 (7) · CPC B64C2700/6274 (7) · CPC B64C3/385 (7) · CPC B64C2700/6218 (7) · CPC B64C39/005 (7) · CPC B64B1/58 (6) · CPC B64B1/40 (6) · CPC B64C11/00 (6) · CPC B64C3/48 (6)
First filing:
Citations from after 1930:
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