Drilldown: Patents

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Patents > Tech fields: None & Application number: None & Supplementary to patent: None

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Patent agent:
None (2211) · None (8) · Munn & Co. (7) · Haseltine, Lake & Co. (4) · Paul Caquet (2) · Chassevent (2) · Victor J. Evans (2) · Harris & Mills (2) · Blétry (2) · Blétry aîné (2) · Desnos (2)
National tech categories:
None (1912) · FR 6.3 (19) · USPC 244/139 (18) · USPC 244/147 (17) · USPC 244/142 (15) · FR 6.4 (14) · IT 8 (14) · MX F. III (13) · USPC 244/153R (13) · FR 5 (11) · DE 77 (9) · USPC 244/53A (9) · DE 77h.5 (9) · DE 77h (8) · USPC 244/149 (8) · USPC 244/144 (7) · USPC 244/3.1 (6) · USPC 244/138R (5) · USPC 244/3.14 (5) · USPC 244/65 (5)
IPCs:
None (2260) · IPC B64D27/00 (4) · IPC B64C39/00 (4) · IPC B64B1/00 (3) · IPC B64C3/26 (2) · IPC B64C3/00 (2) · IPC B64D33/10 (2) · IPC B64B1/58 (2)
CPCs:
None (1627) · CPC B64C11/006 (115) · CPC B64C11/346 (68) · CPC B64C11/48 (60) · CPC B64C11/36 (42) · CPC B63H1/12 (37) · CPC B64C11/343 (34) · CPC F05B2260/74 (33) · CPC Y02E10/722 (32) · CPC F03D11/00 (32) · CPC B63H1/04 (30) · CPC B64C11/06 (27) · CPC B64C27/33 (21) · CPC B64C3/48 (21) · CPC F03D1/025 (19) · CPC Y02E10/74 (14) · CPC B64C11/065 (14) · CPC F03D3/00 (14) · CPC Y02E10/72 (14)
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