Drilldown: Patents

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Patents > Tech fields : propellers or ventilation & Assigned to: None

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Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number:
Granted:
Supplementary to patent:
None (429) · Patent BE-1909-214032 (33) · Patent US-1909-970771 (10) · Patent GB-1908-4519 (7) · Patent FR-1910-423792 (5) · Patent FR-1908-404631 (4) · Patent DE-1911-251309 (4) · Patent GB-1909-8531 (4) · Patent DE-1909-220044 (4) · Patent DE-1907-214228 (4) · Patent DE-1910-06-18 Carl Hanschke (4) · Patent AT-1909-48421 (4)
Related to aircraft:
Patent agent:
None (319) · A. Wunderlich & Cie, Ingénieurs-Conseils (36) · Boult, Wade & Tennant (14) · Armengaud jeune (13) · Marks & Clerk (11) · Schwab (10) · E. Blétry (9) · de Bongé (8) · Lavoix et Mosès (8) · J. Bonnet-Thirion (7) · Herbert Haddan & Co. (6) · Dupont et Elluin (6) · Haseltine, Lake & Co. (6) · None (6) · Charles Assi (6)
Assigned to: (Click arrow to add another value)
National tech categories:
None (234) · FR 6.4 (145) · HU V/h (99) · BE K (76) · AT 77d (27) · FR 6.3 (24) · FR 6.2 (24) · DE 77h.6 (9) · CH 129b (7) · USPC 244/50 (4) · DK 77 (4) · USPC 244/65 (3) · NL 62 (3) · IT 8 (3) · FR 6.1 (3) · FR 5.3 (3) · USPC 244/23R (3) · CH 115 (3) · CH 128c (3)
IPCs:
None (402) · IPC B64C11/00 (39) · IPC B64C39/00 (37) · IPC B64C23/00 (18) · IPC B64C11/20 (15) · IPC B64C11/16 (14) · IPC B64C27/04 (13) · IPC B64C11/04 (13) · IPC B63H1/12 (10) · IPC B64C17/00 (10) · IPC B64C1/00 (10) · IPC B64C11/36 (9) · IPC B64B1/00 (9) · IPC B64C33/02 (8) · IPC B64C35/00 (6) · IPC B64D27/00 (6) · IPC B64D35/04 (6) · IPC B64C11/30 (6) · IPC B64D35/08 (5)
CPCs:
None (334) · CPC B64C11/006 (25) · CPC B64C39/00 (24) · CPC B64C23/005 (19) · CPC B64C11/16 (17) · CPC B64C2700/6274 (16) · CPC B64C2700/6295 (16) · CPC B64C11/00 (14) · CPC B64C11/04 (13) · CPC B64C17/00 (12) · CPC B64B1/00 (11) · CPC B64C11/20 (11) · CPC B64C11/36 (10) · CPC B64C11/48 (10) · CPC B64C2700/6281 (10) · CPC B64C13/00 (10) · CPC B64C33/02 (9) · CPC B63H1/12 (8) · CPC B63H1/26 (8)
First filing:
Citations from after 1930:
Number of diagram pages:

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