Drilldown: Patents

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Patents > Year granted: 1900 - 1999 & Tech fields: propulsion & Number of text pages: 2

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Supplementary to patent:
None (284) · Patent FR-1910-423792 (6) · Patent FR-1904-340154 (3) · Patent FR-1910-424987 (3) · Patent DE-1907-196255 (3) · Patent FR-1904-342610 (3) · Patent DE-1909-220044 (3) · Patent DE-1910-06-18 Carl Hanschke (3) · Patent AT-1909-40038 (3)
Related to aircraft:
Patent agent:
None (150) · None (19) · Armengaud jeune (17) · L. Chassevent (7) · Y. Rabilloud et fils (7) · Dom. Casalonga (6) · J. Bonnet-Thirion (6) · J. Germain (6) · Munn & Co. (6) · Victor J. Evans (5) · E. Blétry (5) · G. de Mestral et F. Harlé (5) · Chassevent (5) · R. S. & A. B. Lacey (4) · Paul Caquet (4) · Schwab (4) · Haseltine, Lake & Co. (4) · Wheatley & Mackenzie (4)
National tech categories:
FR 6.4 (135) · None (65) · FR 6.2 (27) · HU V/h (24) · FR 6.3 (20) · AT 77d (18) · DE 77h.6 (9) · FR 5.8 (6) · DE 77h.10 (5) · USPC 244/73R (5) · RU Group V (5) · USPC 244/22 (5) · USPC 244/60 (4) · USPC 244/72 (4) · DK 77 (4) · FR 5.3 (4) · USPC 244/66 (4) · DE 77h (4)
IPCs:
None (155) · IPC B64C11/00 (42) · IPC B64B1/00 (28) · IPC B64C39/00 (26) · IPC B64C23/00 (14) · IPC B64C33/02 (13) · IPC B64C27/04 (11) · IPC B64C11/04 (9) · IPC B64C11/20 (8) · IPC B63H1/12 (8) · IPC B64C11/16 (6) · IPC B64B1/58 (6) · IPC B64D27/00 (6) · IPC B64C17/00 (5) · IPC B64D27/04 (4)
CPCs:
None (95) · CPC B64C11/006 (35) · CPC B64B1/00 (31) · CPC B64C23/005 (22) · CPC B64C33/02 (20) · CPC B64C2700/6274 (14) · CPC B64C39/00 (14) · CPC B64C11/00 (13) · CPC B64C11/04 (10) · CPC B64C2700/6295 (9) · CPC B64C39/005 (9) · CPC B64C2700/6281 (8) · CPC B64C11/20 (6) · CPC B64B1/58 (6) · CPC B64C27/04 (6) · CPC B64C27/82 (6) · CPC B64D27/00 (6) · CPC B63H1/26 (6) · CPC B64C17/00 (5) · CPC B64C11/16 (5)
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Citations from after 1930:
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