Drilldown: Patents

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Patents > Inventor country : FR or HU or NO & Tech fields : design or stability

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Patent agent:
None (338) · Armengaud jeune (125) · None (45) · Weismann et Marx (21) · Charles Dony (21) · E. Blétry (20) · J. Bonnet-Thirion (20) · J. Germain (19) · Haseltine, Lake & Co. (19) · Hippolyte Josse (17) · Dupont et Elluin (16) · L. Chassevent (15) · Boult, Wade & Tennant (13) · Lavoix et Mosès (11) · H. Bœttcher fils (10) · G. de Mestral et F. Harlé (10) · M. Zerolo (10) · C. Blétry‎ (10) · Chassevent (9) · Marks & Clerk (9)
National tech categories:
FR 6.4 (668) · None (153) · HU V/h (72) · BE K (49) · FR 6.3 (27) · FR 6.2 (23) · DE 77h.5 (12) · AT 77d (9) · IT 8 (7) · FR 6.1 (7) · FR 10.1 (6) · CH 129b (5) · DE 77 (4) · RU Group V (4) · USPC 244/119 (4) · DK 77 (3) · DE 77h.9 (3) · FR 5.3 (3)
IPCs:
None (260) · IPC B64C17/00 (206) · IPC B64C1/00 (183) · IPC B64C39/00 (87) · IPC B64B1/00 (45) · IPC B64C3/00 (32) · IPC B64C35/00 (29) · IPC B64C3/38 (29) · IPC B64C17/06 (29) · IPC B64C11/00 (23) · IPC B64C13/00 (21) · IPC B64C25/00 (19) · IPC B64C23/00 (19) · IPC B64C3/54 (14) · IPC B64C3/18 (11) · IPC B64B1/58 (11) · IPC B64C33/02 (11) · IPC B64C3/56 (9) · IPC B64C11/16 (9)
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