Drilldown: Patents

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Patents > Tech fields : Springs or None & Number of figures: 7-30

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None (296) · Seine (5) · London (4) · Chicago (4) · St. Louis (3) · Baltimore (3) · Nord (2) · NYC (2) · Indiana (2) · Rhône (2) · Michigan (2) · Dayton (2) · Virginia (2)
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Supplementary to patent:
None (307) · Patent US-1911-1028409 (3) · Patent US-1913-1133984 (2) · Patent GB-1909-2111 (2) · Patent GB-1910-23303 (2) · Patent GB-1908-4519 (2)
Related to aircraft:
Patent agent:
None (49) · None (24) · Munn & Co. (12) · Victor J. Evans (11) · Armengaud jeune (6) · Marks & Clerk (6) · Haseltine, Lake & Co. (5) · G. Petiau (5) · Boramé et Julien (4) · Dom. Casalonga (4) · Joshua R. H. Potts (4) · L. Chassevent (4) · John P. Tarbox (4)
National tech categories:
None (142) · FR 6.4 (81) · USPC 244/45R (8) · USPC 244/119 (8) · USPC 244/80 (6) · USPC 244/233 (6) · USPC 244/93 (5) · USPC 244/90R (5) · USPC 244/22 (5) · DE 77 (4) · DE 77h.5 (4) · USPC 244/48 (4) · USPC 244/38 (4) · USPC 244/144 (3) · USPC 244/9 (3) · USPC 244/113 (3) · USPC 244/219 (3) · USPC 244/100R (3) · USPC 244/35R (3)
IPCs:
None (167) · IPC B64C39/00 (26) · IPC B64C23/00 (22) · IPC B64C1/00 (22) · IPC B64C17/00 (18) · IPC B64C3/00 (18) · IPC B64C33/02 (13) · IPC B64C3/38 (13) · IPC B64C3/54 (6) · IPC B64C11/00 (5) · IPC B64B1/00 (5) · IPC B64C39/10 (4) · IPC B64C3/42 (3) · IPC B64C27/10 (3) · IPC B64C25/00 (3) · IPC B64C3/56 (3) · IPC B64C33/00 (3) · IPC B64C13/00 (3) · IPC B64C35/00 (3) · IPC B64B1/58 (3)
CPCs:
CPC B64C17/00 (32) · CPC B64C3/385 (30) · CPC B64C23/005 (27) · CPC B64C2700/6295 (26) · None (26) · CPC B64C33/02 (23) · CPC B64C3/00 (19) · CPC B64C2700/6274 (18) · CPC B64C39/00 (16) · CPC B64C13/00 (15) · CPC B64B1/00 (12) · CPC B64C2700/6218 (12) · CPC B64C39/08 (9) · CPC B64C39/005 (9) · CPC B64C3/54 (8) · CPC B64C2700/6235 (8) · CPC B64C39/10 (6)
First filing:
Citations from after 1930:
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