Drilldown: Patents

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Patents > Tech fields : propellers or stability & Number of claims: 2-4

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Inventor location:
None (680) · Budapest (29) · Seine (14) · Nord (8) · Seine-et-Oise (7) · Paris (7) · England (6) · Hérault (4) · Missouri (3) · Nièvre (3) · Douai (3) · Sachsen (3)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number:
Granted:
Related to aircraft:
Patent agent:
None (239) · Armengaud jeune (50) · Marks & Clerk (26) · None (24) · E. Blétry (18) · Boult, Wade & Tennant (18) · Haseltine, Lake & Co. (15) · Lavoix et Mosès (11) · Schwab (11) · J. Germain (9) · Brandon frères (9) · Munn & Co. (9) · L. Chassevent (9) · Charles Dony (8) · J. Bonnet-Thirion (8) · Hippolyte Josse (7) · Herbert Haddan & Co. (7) · C. A. Snow & Co. (7) · Victor J. Evans (6) · Dupont et Elluin (6)
National tech categories:
FR 6.4 (267) · None (227) · HU V/h (76) · AT 77d (32) · FR 6.2 (13) · CH 129b (10) · DE 77h.5 (8) · DK 77 (8) · USPC 244/93 (7) · USPC 244/80 (6) · USPC 244/35R (6) · DE 77h.6 (6) · USPC 244/90R (5) · USPC 244/79 (5)
IPCs:
None (310) · IPC B64C17/00 (126) · IPC B64C1/00 (112) · IPC B64C39/00 (37) · IPC B64C11/00 (29) · IPC B64C17/06 (23) · IPC B64B1/00 (21) · IPC B64C13/00 (16) · IPC B64C3/38 (14) · IPC B64C11/04 (14) · IPC B64C23/00 (11) · IPC B64C11/20 (9) · IPC B64C27/04 (9) · IPC B64B1/40 (8) · IPC B63H1/12 (8) · IPC B64C11/16 (7) · IPC B64D35/04 (7) · IPC B64C3/52 (5) · IPC B64C11/30 (5)
CPCs:
None (184) · CPC B64C17/00 (149) · CPC B64C2700/6218 (52) · CPC B64C13/00 (32) · CPC B64C2700/6212 (29) · CPC B64C17/06 (28) · CPC B64C39/00 (27) · CPC B64B1/00 (23) · CPC B64C2700/6295 (21) · CPC B64C11/006 (20) · CPC B64C23/005 (19) · CPC B64C3/385 (19) · CPC B64C2700/6216 (19) · CPC B64C1/00 (17) · CPC B64C2700/6256 (16) · CPC B64C2700/6214 (16) · CPC B64C11/04 (14) · CPC B64C39/005 (11) · CPC B64C11/00 (11)
First filing:
Citations from after 1930:
Number of text pages:
Number of claims:
Number of diagram pages:

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