Drilldown: Patents

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Patents > Office: GB & Applicant is inventor: Yes & Tech fields : control or lift or None & National tech categories: None & First filing: Yes & Cites these patents: None

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Patent agent:
None (685) · Marks & Clerk (16) · Haseltine, Lake & Co. (13) · None (12) · Boult, Wade & Tennant (11) · Brewer & Son (8) · Abel & Imray (8) · Hyde & Heide (6) · Herbert Haddan & Co. (6) · G. F. Redfern & Co. (5) · J. D. Roots & Co. (5) · Chatwin, Herschell & Co. (4) · Jensen & Son (4) · J. S. Withers & Spooner (4) · J. S. Withers (4) · Stephen Watkins, Son & Groves (4) · Brierley & Appleyard (4) · Brierley & Howard (4) · Browne & Co. (4)
National tech categories: (Click arrow to add another value)
IPCs:
None (692) · IPC B64C39/00 (30) · IPC B64C17/00 (19) · IPC B64C13/00 (19) · IPC B64C3/00 (16) · IPC B64C3/38 (16) · IPC B64C1/00 (16) · IPC B64C3/54 (11) · IPC B64C23/00 (8) · IPC B64C35/00 (8) · IPC B64C33/02 (6) · IPC B64C27/04 (6) · IPC B64C3/56 (6) · IPC B64C3/18 (5) · IPC B64C11/00 (5) · IPC B64B1/00 (5) · IPC B64C13/24 (4) · IPC B64D27/00 (4) · IPC CPC B64C13/00 (4)
CPCs:
None (95) · CPC B64C2700/6295 (73) · CPC B64C39/00 (65) · CPC B64C17/00 (53) · CPC B64C13/00 (48) · CPC B64C2700/6256 (44) · CPC B64C3/385 (42) · CPC B64B1/00 (38) · CPC B64C35/00 (38) · CPC B64C3/00 (35) · CPC B64C2700/6218 (32) · CPC B64C23/005 (32) · CPC B64C11/006 (28) · CPC B64C2700/6274 (22) · CPC B64C3/18 (19) · CPC B64B1/58 (17) · CPC B64C33/02 (17) · CPC B64C2700/6233 (16) · CPC B64C3/56 (16) · CPC B64C2700/6235 (16)
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