Drilldown: Patents

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Patents > Tech fields : Propulsion or airplane & Number of claims: 3

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None (289) · Patent FR-1907-373818 (4) · Patent FR-1909-408057 (3) · Patent GB-1911-12232 (3) · Patent CH-1912-62201 (3) · Patent AT-1912-75092 (2) · Patent IT-1915-150227 (2) · Patent FR-1902-328044 (2) · Patent CA-1918-196108 (2) · Patent HU-1909-49726 (2) · Patent DE-1907-196255 (2) · Patent BE-1911-05-15 Georges de Bothezat (2) · Patent DE-1907-215602 (2) · Patent DE-1912-02-02 E. Rumpler Luftfahrzeugbau G.m.b.H. (2) · Patent DE-1908-232250 (2) · Patent US-1909-970771 (2) · Patent GB-1904-21477 (2) · Patent FR-1908-398707 (2) · Patent IT-1917-03-16 Federico Caproni (2)
Related to aircraft:
Patent agent:
None (158) · Armengaud jeune (26) · Marks & Clerk (13) · L. Chassevent (9) · Dupont et Elluin (9) · Haseltine, Lake & Co. (8) · W. P. Thompson & Co. (7) · Charles Dony (7) · None (7) · E. Blétry (6) · Herbert Haddan & Co. (5) · Boult, Wade & Tennant (5) · Hippolyte Josse (4) · Schwab (4) · Munn & Co. (4)
National tech categories:
FR 6.4 (131) · None (118) · HU V/h (37) · AT 77d (28) · DE 77h.5 (20) · DK 77 (9) · USPC 244/6 (8) · USPC 244/87 (6) · FR 6.3 (6) · GB 4 propel & steer (5) · USPC 244/90R (5) · DE 77h.7 (5) · USPC 244/35R (5) · CH 129b (4) · USPC 244/30 (4)
IPCs:
None (185) · IPC B64C1/00 (35) · IPC B64C39/00 (30) · IPC B64C17/00 (28) · IPC B64C3/00 (17) · IPC B64B1/00 (14) · IPC B64C3/38 (14) · IPC B64C11/00 (12) · IPC B64C23/00 (10) · IPC B64C35/00 (9) · IPC B64C25/00 (8) · IPC B64D35/04 (7) · IPC B64C13/00 (7) · IPC B64C3/56 (6) · IPC B64C17/06 (6) · IPC B64D27/00 (5) · IPC B64C11/04 (5) · IPC B64C27/04 (4)
CPCs:
None (125) · CPC B64C17/00 (32) · CPC B64C23/005 (23) · CPC B64B1/00 (20) · CPC B64C39/00 (19) · CPC B64C3/00 (16) · CPC B64C3/385 (15) · CPC B64C2700/6218 (14) · CPC B64C2700/6295 (13) · CPC B64C11/006 (11) · CPC B64C13/00 (10) · CPC B64C35/00 (9) · CPC B64C2700/6274 (9) · CPC B64C1/00 (9) · CPC B64D35/04 (8) · CPC B64C3/56 (8) · CPC B64C17/06 (7) · CPC B64C39/005 (6)
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