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Patents > Tech fields: propellers & Number of text pages: 1-2

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None (225) · Patent FR-1910-423792 (7) · Patent FR-1911-430455 (6) · Patent FR-1908-405961 (5) · Patent AT-1909-48421 (4) · Patent DE-1911-251309 (4) · Patent FR-1910-424987 (4) · Patent AT-1909-40038 (3) · Patent DE-1909-220044 (3) · Patent DE-1910-06-18 Carl Hanschke (3) · Patent FR-1910-414695 (3)
Related to aircraft:
Patent agent:
None (169) · Armengaud jeune (30) · None (12) · L. Chassevent (7) · J. Bonnet-Thirion (7) · De Bongé (7) · Boult, Wade & Tennant (7) · Y. Rabilloud et fils (7) · E. Blétry (6) · Charles Dony (6) · J. Germain (6) · Marks & Clerk (5) · Paul Caquet (5) · Hippolyte Josse (5) · Schwab (5) · H. Bœttcher fils (5)
National tech categories:
FR 6.4 (154) · None (75) · HU V/h (58) · FR 6.2 (36) · AT 77d (25) · DE 77h.6 (6) · FR 6.3 (6) · FR 5.8 (4) · NL 62 (3) · NL 62.6 (2) · FR 6.1 (2) · FR 5.3 (2) · FR 10.1 (2) · DK 77 (2) · DK 65 (2) · AT 65b (2) · DE 77h.5 (2) · CH 115 (2) · CH 128c (2) · CH 129c (2)
IPCs:
None (144) · IPC B64C11/00 (40) · IPC B64C39/00 (25) · IPC B64C11/20 (21) · IPC B64C11/04 (18) · IPC B63H1/12 (16) · IPC B64C11/16 (15) · IPC B64C23/00 (11) · IPC B64B1/00 (8) · IPC B64C27/04 (7) · IPC B64C17/00 (7) · IPC B64C1/00 (6) · IPC B64C11/24 (5) · IPC B64D35/04 (5) · IPC B64C33/02 (4)
CPCs:
None (113) · CPC B64C11/006 (27) · CPC B64C39/00 (20) · CPC B64C11/16 (19) · CPC B64C11/04 (18) · CPC B63H1/26 (14) · CPC B64C11/00 (14) · CPC B64C2700/6295 (14) · CPC B64C11/20 (12) · CPC B64C23/005 (10) · CPC B64C2700/6274 (10) · CPC B64C11/205 (10) · CPC B64B1/00 (8) · CPC B64C17/00 (7) · CPC B64C11/24 (6) · CPC B64C11/48 (6)
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