Drilldown: Patents

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Patents > Year granted: 1910 - 1919 & Applicant firm: None & Tech fields : construction or hybrid or lift

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Patent agent:
None (277) · Armengaud jeune (66) · None (33) · Haseltine, Lake & Co. (16) · Boult, Wade & Tennant (14) · G. de Mestral et F. Harlé (12) · Marks & Clerk (12) · J. Bonnet-Thirion (11) · E. Blétry (11) · Weismann et Marx (10) · Schwab (10) · Herbert Haddan & Co. (10) · Charles Dony (10) · Victor J. Evans (10) · Dupont et Elluin (9) · Dom. Casalonga (8) · L. Chassevent (8) · Hippolyte Josse (8) · H. Bœttcher fils (8)
National tech categories:
FR 6.4 (352) · None (217) · HU V/h (68) · AT 77d (24) · BE K (23) · CH 129b (11) · DE 77h.5 (9) · USPC 244/6 (9) · USPC 244/35R (7) · FR 6.2 (7) · USPC 244/90R (6) · DK 77 (6) · USPC 244/66 (6) · USPC 244/64 (5) · USPC 244/80 (5)
IPCs:
None (315) · IPC B64C39/00 (66) · IPC B64C1/00 (52) · IPC B64C17/00 (43) · IPC B64C3/00 (36) · IPC B64B1/00 (36) · IPC B64C23/00 (31) · IPC B64C3/18 (20) · IPC B64C35/00 (19) · IPC B64C27/04 (17) · IPC B64B1/58 (16) · IPC B64C25/00 (14) · IPC B64C3/38 (13) · IPC B64C3/54 (13) · IPC B64C33/02 (10) · IPC B64C11/00 (10) · IPC B64C1/06 (10) · IPC B64C3/48 (9) · IPC B64C3/52 (9)
CPCs:
None (189) · CPC B64C17/00 (55) · CPC B64B1/00 (49) · CPC B64C39/00 (47) · CPC B64C23/005 (47) · CPC B64C2700/6295 (46) · CPC B64C3/00 (40) · CPC B64C2700/6218 (24) · CPC B64C13/00 (21) · CPC B64C35/00 (20) · CPC B64B1/58 (19) · CPC B64C2700/6274 (19) · CPC B64C2700/6235 (16) · CPC B64C2700/6281 (15) · CPC B64C33/02 (15) · CPC B64C39/005 (14) · CPC B64C3/385 (13) · CPC B64C39/08 (12) · CPC B64C33/00 (12) · CPC B64C2700/6233 (12)
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