Drilldown: Patents

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Patents > Tech fields : design or lift or safety & Supplementary to patent: None & Number of text pages: 3-4

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None (98) · Armengaud jeune (36) · Weismann et Marx (7) · G. de Mestral et F. Harlé (6) · None (5) · H. Boettcher fils (5) · Boult, Wade & Tennant (5) · Munn & Co. (5) · Dupont et Elluin (5) · Victor J. Evans (4) · Dom. Casalonga (4) · Ch. Mardelet (4) · Haseltine, Lake & Co. (4)
National tech categories:
FR 6.4 (152) · None (73) · HU V/h (23) · CH 129b (9) · AT 77d (6) · FR 6.3 (4) · FR 6.1 (4) · FR 6.2 (4) · USPC 244/139 (4) · DE 77h.5 (3) · DE 77 (3)
IPCs:
None (117) · IPC B64C17/00 (24) · IPC B64C1/00 (23) · IPC B64C39/00 (23) · IPC B64B1/00 (16) · IPC B64C23/00 (9) · IPC B64C3/00 (9) · IPC B64C3/52 (6) · IPC B64C3/56 (6) · IPC B64C11/00 (6) · IPC B64C33/02 (6) · IPC B64C35/00 (6) · IPC B64C25/00 (5) · IPC B64D17/00 (5) · IPC B64B1/58 (5) · IPC B64C3/54 (5) · IPC B64C3/48 (4) · IPC B64C13/00 (4) · IPC B64C3/38 (4) · IPC B64C27/04 (4)
CPCs:
None (64) · CPC B64C17/00 (28) · CPC B64B1/00 (20) · CPC B64C2700/6295 (15) · CPC B64C39/00 (15) · CPC B64C23/005 (12) · CPC B64C2700/6218 (10) · CPC B64C13/00 (10) · CPC B64C3/00 (10) · CPC B64C1/00 (8) · CPC B64C3/14 (7) · CPC B64C3/56 (7) · CPC B64B1/40 (7) · CPC B64C33/02 (7) · CPC B64C35/00 (7) · CPC B64C39/008 (6) · CPC B64C2700/6274 (6) · CPC B64C3/52 (6)
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