Drilldown: Patents

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Patents > Applicant firm: None & Tech fields : propellers or stability & Number of text pages: 1-2

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Patent agent:
None (300) · Armengaud jeune (59) · None (45) · J. Germain (16) · J. Bonnet-Thirion (16) · E. Blétry (16) · Marks & Clerk (11) · Charles Dony (11) · Hippolyte Josse (10) · H. Boettcher fils (9) · Boult, Wade & Tennant (9) · Schwab (8) · Lavoix et Mosès (8) · L. Chassevent (8) · Haseltine, Lake & Co.‎ (8) · Y. Rabilloud et fils (8) · Abel & Imray (7) · Chassevent (7) · de Bongé (7)
National tech categories:
FR 6.4 (371) · None (138) · HU V/h (71) · AT 77d (42) · FR 6.2 (36) · DE 77h.5 (19) · FR 6.3 (11) · CH 129b (8) · DE 77 (7) · USPC 244/79 (7) · USPC 244/80 (6) · DE 77h.6 (6) · DK 77 (5) · USPC 244/45R (5) · USPC 244/93 (5) · FR 5.8 (4) · FR 5.3 (4) · USPC 244/35R (4)
IPCs:
None (283) · IPC B64C17/00 (140) · IPC B64C1/00 (103) · IPC B64C39/00 (47) · IPC B64C11/00 (43) · IPC B64B1/00 (23) · IPC B64C11/20 (18) · IPC B63H1/12 (17) · IPC B64C11/04 (17) · IPC B64C13/00 (16) · IPC B64C11/16 (15) · IPC B64C23/00 (14) · IPC B64C17/06 (14) · IPC B64B1/40 (9) · IPC B64C3/38 (9) · IPC B64C27/04 (9) · IPC B64C3/54 (8) · IPC B64D35/04 (8) · IPC B64C33/02 (7) · IPC B64C11/24 (6)
CPCs:
None (180) · CPC B64C17/00 (160) · CPC B64C2700/6218 (52) · CPC B64C39/00 (33) · CPC B64C2700/6212 (33) · CPC B64C11/006 (31) · CPC B64C2700/6295 (31) · CPC B64C13/00 (31) · CPC B64B1/00 (23) · CPC B64C17/06 (20) · CPC B64C11/16 (19) · CPC B64C23/005 (18) · CPC B64C11/04 (17) · CPC B64C2700/6214 (16) · CPC B64C11/00 (14) · CPC B64C2700/6219 (14) · CPC B63H1/26 (13) · CPC B64C1/00 (13) · CPC B64C3/385 (12) · CPC B64C2700/6256 (12)
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