Drilldown: Patents

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Patents > Tech fields : lift or navigation & Filing date: 1910 - 1919

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Supplementary to patent:
None (340) · Patent NZ-1909-26981 (4) · Patent BE-1911-04-14 Lucien-Constant-Joseph Harel (4) · Patent US-1909-970771 (4) · Patent BE-1910-230887 (4) · Patent DE-1909-Wilcke-Graff (4) · Patent AT-1912-75092 (4) · Patent FR-1908-392672 (3) · Patent GB-1912-2540 (3) · Patent FR-1910-418630 (3) · Patent FR-1909-420004 (3)
Related to aircraft:
Patent agent:
None (198) · Armengaud jeune (23) · Haseltine, Lake & Co. (11) · E. Blétry (7) · Hippolyte Josse (7) · None (7) · Dupont et Elluin (7) · Victor J. Evans (7) · H. Bœttcher fils (6) · Marks & Clerk (6) · Boult, Wade & Tennant (6) · G. de Mestral et F. Harlé (6) · L. Chassevent (6) · Dom. Casalonga (5) · W. P. Thompson & Co. (5) · Charles Assi (5) · Munn & Co. (5) · Schwab (5)
National tech categories:
FR 6.4 (171) · None (118) · BE K (21) · HU V/h (14) · AT 77d (13) · DE 77h.5 (11) · USPC 244/90R (10) · FR 6.2 (7) · USPC 244/46 (6) · USPC 244/80 (6) · USPC 244/233 (5) · USPC 244/22 (5) · USPC 244/113 (4) · USPC 244/51 (4) · IT 8 (4) · DK 77 (4) · USPC 244/50 (4) · CH 129b (4)
IPCs:
None (202) · IPC B64C39/00 (31) · IPC B64C1/00 (28) · IPC B64C17/00 (23) · IPC B64C3/38 (19) · IPC B64B1/00 (17) · IPC CPC B64C13/00 (14) · IPC B64C3/52 (12) · IPC B64C3/00 (12) · IPC B64C3/54 (10) · IPC B64C23/00 (10) · IPC B64C13/00 (10) · IPC B64B1/58 (9) · IPC B64C11/00 (8) · IPC B64C33/02 (8) · IPC B64C3/48 (6) · IPC B64C33/00 (6) · IPC G01P3/36 (6) · IPC B64B1/62 (5) · IPC B64C13/04 (5)
CPCs:
None (99) · CPC B64C13/00 (44) · CPC B64C17/00 (33) · CPC B64C2700/6295 (27) · CPC B64C39/00 (25) · CPC B64C23/005 (20) · CPC B64B1/00 (19) · CPC B64C3/385 (16) · CPC B64C3/52 (15) · CPC B64C2700/6218 (12) · CPC B64C33/02 (12) · CPC B64C2700/6256 (11) · CPC B64C2700/6245 (11) · CPC B64B1/58 (10) · CPC B64C3/00 (8) · CPC B64C3/54 (8) · CPC B64C3/48 (8)
First filing:
Citations from after 1930:
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