Drilldown: Patents

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Patents > Applicant type : FIRM or Hermann Burkardt or INDIV or INIV or Louis-Marie Le Dantec or UNIV-PRO-GOV & Tech fields : Construction or rudder & Number of diagram pages: 1-3

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Patent agent:
None (254) · Armengaud jeune (73) · None (22) · Marks & Clerk (18) · Haseltine, Lake & Co. (17) · Boult, Wade & Tennant (16) · Weismann et Marx (15) · Lavoix et Mosès (12) · Hippolyte Josse (11) · J. Germain (11) · Herbert Haddan & Co. (10) · Charles Dony (10) · Dupont et Elluin (10) · L. Chassevent (8) · G. de Mestral et F. Harlé (8) · Ch. Mardelet (7) · Brewer & Son (7) · Victor J. Evans (6)
National tech categories:
FR 6.4 (321) · None (200) · HU V/h (65) · AT 77d (29) · FR 6.3 (19) · DE 77h.5 (14) · CH 129b (9) · USPC 244/35R (9) · USPC 244/87 (9) · FR 6.2 (8) · USPC 244/90R (7) · DK 77 (7) · GB 4 propel & steer (7) · USPC 244/13 (6) · USPC 244/30 (6) · USPC 244/234 (6) · FR 10.1 (5)
IPCs:
None (289) · IPC B64C39/00 (66) · IPC B64C1/00 (49) · IPC B64C17/00 (48) · IPC B64B1/00 (40) · IPC B64C3/00 (39) · IPC B64C3/18 (25) · IPC B64C13/00 (19) · IPC B64C23/00 (16) · IPC B64B1/58 (15) · IPC B64C25/00 (14) · IPC B64C1/06 (13) · IPC B64C3/38 (11) · IPC B64C35/00 (11) · IPC B64C3/56 (11) · IPC B64C3/54 (11) · IPC B64C11/00 (10) · IPC B64C33/02 (10) · IPC B64C3/52 (8)
CPCs:
None (176) · CPC B64C17/00 (58) · CPC B64C2700/6295 (55) · CPC B64C39/00 (49) · CPC B64B1/00 (47) · CPC B64C13/00 (42) · CPC B64C3/00 (41) · CPC B64C23/005 (23) · CPC B64C2700/6218 (20) · CPC B64C2700/6233 (15) · CPC B64C3/385 (15) · CPC B64C39/08 (15) · CPC B64C2700/6235 (15) · CPC B64B1/58 (14) · CPC B64C33/02 (14) · CPC B64C3/18 (14) · CPC B64C2700/6274 (13) · CPC B64C1/00 (12) · CPC B64C2001/0063 (12)
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