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Patents > Tech fields : Design or lift & National tech categories : FR 6.3 or FR 6.4 or USPC 244/90R

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None (111) · Armengaud jeune (109) · None (28) · E. Blétry (23) · Charles Dony (19) · L. Chassevent (18) · Weismann et Marx (17) · Dupont et Elluin (15) · G. de Mestral et F. Harlé (14) · Hippolyte Josse (14) · J. Bonnet-Thirion (14) · J. Germain (14) · Brandon frères (13) · C. Blétry (10) · Lavoix et Mosès (10) · M. Zerolo (9) · Ch. Mardelet (9) · Gaston Rose (9) · Dom. Casalonga (8) · Louis Tailfer (8)
National tech categories: (Click arrow to add another value)
IPCs:
IPC B64C39/00 (104) · IPC B64C1/00 (81) · IPC B64C17/00 (74) · IPC B64C23/00 (32) · IPC B64C35/00 (28) · IPC B64C3/00 (27) · IPC B64C11/00 (27) · IPC B64C3/38 (25) · IPC B64B1/00 (25) · None (23) · IPC B64C25/00 (18) · IPC B64C3/54 (17) · IPC B64C33/02 (16) · IPC B64C3/52 (15) · IPC B64C13/00 (14) · IPC B64C3/18 (12) · IPC B64C27/04 (11) · IPC B64B1/58 (11) · IPC B64C33/00 (10) · IPC B64C3/48 (10)
CPCs:
CPC B64C39/00 (92) · CPC B64C17/00 (76) · CPC B64C2700/6295 (69) · CPC B64C2700/6218 (37) · CPC B64C23/005 (32) · CPC B64C3/00 (27) · CPC B64B1/00 (25) · CPC B64C2700/6274 (24) · CPC B64C3/385 (22) · CPC B64C1/00 (20) · CPC B64C13/00 (19) · CPC B64C33/02 (19) · CPC B64C35/00 (18) · CPC B64C3/52 (16) · CPC B64C3/54 (14) · CPC B64F2700/6226 (14) · CPC B64C2700/6233 (13) · CPC B64C11/006 (13)
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