Drilldown: Patents

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Patents > Tech fields: propellers & Number of claims: 1-5

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None (251) · Patent US-1909-970771 (5) · Patent AT-1909-48421 (4) · Patent DE-1911-251309 (4) · Patent DE-1909-220044 (4) · Patent DE-1910-06-18 Carl Hanschke (4) · Patent DE-1907-214228 (4) · Patent FR-1910-423792 (4) · Patent AT-1909-40038 (3) · Patent FR-1911-430455 (3) · Patent AT-1912-64392 (3)
Related to aircraft:
Patent agent:
None (168) · Boult, Wade & Tennant (12) · Marks & Clerk (11) · Armengaud jeune (9) · Schwab (9) · De Bongé (8) · Lavoix et Mosès (7) · E. Blétry (6) · J. Germain (6) · Haseltine, Lake & Co. (6) · Herbert Haddan & Co. (5) · Dupont et Elluin (5) · J. Bonnet-Thirion (5) · Brandon frères (5) · Charles Assi (4) · Fayollet (4) · G. de Mestral et F. Harlé (4) · G. F. Redfern & Co. (4)
National tech categories:
None (134) · FR 6.4 (112) · HU V/h (67) · FR 6.2 (20) · AT 77d (20) · DE 77h.6 (8) · CH 129b (4) · FR 6.3 (4) · CH 128c (3) · CH 115 (3) · FR 6.1 (3) · FR 5.3 (3) · DK 77 (2) · USPC 244/65 (2) · USPC 244/23R (2) · DK 65 (2) · DE 77h.5 (2) · USPC 244/64 (2) · USPC 244/50 (2) · USPC 244/17.21 (2)
IPCs:
None (181) · IPC B64C11/00 (28) · IPC B64C39/00 (25) · IPC B64C23/00 (15) · IPC B64C11/20 (14) · IPC B64C11/16 (11) · IPC B64C27/04 (10) · IPC B64C11/04 (9) · IPC B63H1/12 (7) · IPC B64C11/36 (7) · IPC B64C33/02 (7) · IPC B64C11/30 (6) · IPC B64C1/00 (5) · IPC B64C17/00 (5) · IPC B64C27/00 (4) · IPC B64D35/04 (4) · IPC B64C35/00 (4) · IPC B64D35/08 (4) · IPC B64C11/18 (4)
CPCs:
None (135) · CPC B64C11/006 (19) · CPC B64C39/00 (16) · CPC B64C23/005 (16) · CPC B64C11/16 (13) · CPC B64C2700/6274 (13) · CPC B64C11/00 (11) · CPC B64C11/20 (11) · CPC B64C2700/6295 (10) · CPC B64C11/36 (9) · CPC B64C11/04 (9) · CPC B64C2700/6281 (8) · CPC B63H1/26 (7) · CPC B64C33/02 (7) · CPC B64C11/48 (6) · CPC B63H1/12 (6) · CPC B64C11/18 (6)
First filing:
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