Drilldown: Patents

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Patents > Tech fields: propulsion & Family year: 1900 - 1999 & Number of text pages: 2-3

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Supplementary to patent:
None (398) · Patent FR-1910-423792 (6) · Patent CH-1907-41855 (4) · Patent DE-1910-06-18 Carl Hanschke (4) · Patent DE-1909-220044 (4) · Patent DE-1907-215602 (4) · Patent FR-1908-407090 (4) · Patent AT-1909-40038 (3) · Patent AT-1912-64392 (3) · Patent AT-1912-75092 (3) · Patent FR-1902-328044 (3) · Patent FR-1910-424987 (3) · Patent SE-1906-25199 (3) · Patent DE-1903-160742 (3) · Patent FR-1904-342610 (3)
Related to aircraft:
Patent agent:
None (188) · Armengaud jeune (27) · None (22) · Munn & Co. (12) · L. Chassevent (9) · Dom. Casalonga (9) · J. Bonnet-Thirion (9) · G. de Mestral et F. Harlé (8) · Boult, Wade & Tennant (8) · Y. Rabilloud et fils (7) · J. Germain (7) · E. Blétry (7) · Schwab (7) · Charles Dony (6)
National tech categories:
FR 6.4 (189) · None (121) · FR 6.2 (37) · HU V/h (37) · FR 6.3 (27) · AT 77d (17) · FR 5.8 (10) · USPC 244/73R (7) · FR 5.3 (7) · USPC 244/6 (7) · DE 77h.6 (6) · USPC 244/70 (6) · USPC 244/22 (6) · USPC 244/51 (5) · USPC 244/66 (5) · USPC 244/60 (5) · USPC 244/23R (5) · USPC 244/20 (5)
IPCs:
None (208) · IPC B64C11/00 (56) · IPC B64C39/00 (40) · IPC B64B1/00 (37) · IPC B64C23/00 (23) · IPC B64C33/02 (21) · IPC B64C27/04 (14) · IPC B64C33/00 (11) · IPC B63H1/12 (11) · IPC B64C11/04 (10) · IPC B64C11/16 (10) · IPC B64D27/00 (10) · IPC B64C11/20 (9) · IPC B64C27/00 (8) · IPC B64B1/58 (6) · IPC B64C29/00 (6) · IPC B64C11/30 (6) · IPC B64C17/00 (5) · IPC B64D35/04 (5) · IPC B64D35/08 (5)
CPCs:
None (107) · CPC B64C11/006 (46) · CPC B64B1/00 (45) · CPC B64C23/005 (38) · CPC B64C33/02 (24) · CPC B64C39/00 (23) · CPC B64C2700/6274 (21) · CPC B64C39/005 (20) · CPC B64C11/00 (17) · CPC B64C2700/6295 (16) · CPC B64C11/04 (11) · CPC B64C11/16 (11) · CPC B64C33/00 (11) · CPC B64C2700/6281 (10) · CPC B64D27/00 (9) · CPC B64C27/04 (9) · CPC B64C29/0025 (8) · CPC B64C11/20 (7)
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Citations from after 1930:
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