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Patents > Tech fields : propellers or steam & Related to aircraft: 1

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None (179)
Granted:
Supplementary to patent:
None (270) · Patent US-1909-970771 (8) · Patent DE-1909-220044 (4) · Patent DE-1910-06-18 Carl Hanschke (4) · Patent DE-1911-251309 (4) · Patent FR-1916-502839 (3) · Patent US-1910-993987 (3) · Patent FR-1909-404954 (3)
Related to aircraft: (Click arrow to add another value)
Patent agent:
None (137) · None (19) · Armengaud jeune (13) · Boult, Wade & Tennant (9) · Lavoix et Mosès (7) · A. Wunderlich & Cie, Ingénieurs-Conseils (7) · J. Bonnet-Thirion (7) · Marks & Clerk (5) · Munn & Co. (5) · E. Blétry (5) · Weismann et Marx (5) · Haseltine, Lake & Co. (4) · Kirkpatrick (4) · J. Germain (4) · Schwab (4) · C. Blétry‎ (4) · Brandon frères (4) · Dupont et Elluin (4) · Arthur C. Downing (4)
National tech categories:
None (109) · FR 6.4 (106) · HU V/h (44) · BE K (37) · AT 77d (18) · FR 6.2 (15) · FR 6.3 (6) · GB 4 propel & steer (5) · USPC 244/50 (4) · DK 77 (3) · USPC 244/65 (3) · USPC 244/23R (3) · USPC 244/233 (3) · NL 62 (3) · GB 4 without buoyant (3) · FR 5.3 (3) · IT 8 (3) · CH 129b (3) · CH 128c (3) · CH 115 (3)
IPCs:
None (201) · IPC B64C39/00 (30) · IPC B64C11/00 (21) · IPC B64C23/00 (10) · IPC B64C11/20 (10) · IPC B64D35/04 (8) · IPC B64C27/04 (7) · IPC B63H1/12 (7) · IPC B64C11/16 (6) · IPC B64C11/04 (5) · IPC B64C11/36 (5) · IPC B64D27/00 (5) · IPC B64C11/48 (4) · IPC B64C11/18 (4) · IPC B64C11/30 (4) · IPC B64C29/00 (4)
CPCs:
None (168) · CPC B64C39/00 (21) · CPC B64C11/006 (11) · CPC B64C23/005 (10) · CPC B64C11/00 (9) · CPC B64D35/04 (9) · CPC B64C2700/6295 (8) · CPC B64C13/00 (8) · CPC B64C11/16 (7) · CPC B64C2700/6274 (6) · CPC B64D27/00 (5) · CPC B64C39/08 (5) · CPC B64C11/04 (5) · CPC B64C11/18 (5) · CPC B64C11/20 (5) · CPC B64C11/205 (5) · CPC B64C11/36 (5) · CPC B64C11/48 (5)
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