Drilldown: Patents

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

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Supplementary to patent:
None (1193) ·   (2)
Related to aircraft:
Patent agent:
None (947) · Haseltine, Lake & Co. (18) · Marks & Clerk (18) · None (17) · Brewer & Son (15) · Boult, Wade & Tennant (11) · Abel & Imray (8) · Herbert Haddan & Co. (6) · Hyde & Heide (6) · G. F. Redfern & Co.‎ (5) · J. D. Roots & Co. (5) · Chatwin, Herschell & Co. (4) · Browne & Co. (4) · Brierley & Howard (4) · Brierley & Appleyard (4) · J. S. Withers (4) · Edward Evans & Co. (4) · J. S. Withers & Spooner (4) · Jensen & Son (4) · Stephen Watkins, Son & Groves (4)
National tech categories: (Click arrow to add another value)
IPCs:
None (948) · IPC B64C39/00 (35) · IPC B64C13/00 (27) · IPC B64C17/00 (24) · IPC B64C1/00 (21) · IPC B64C3/38 (18) · IPC B64C3/00 (18) · IPC B64C3/54 (13) · IPC B64C23/00 (11) · IPC B64C35/00 (9) · IPC B64C3/56 (8) · IPC B64C27/04 (7) · IPC B64C33/02 (6) · IPC B64B1/00 (6) · IPC B64C11/00 (5) · IPC B64C3/18 (5) · IPC B64D27/00 (4) · IPC B64C13/24 (4) · IPC CPC B64C13/00 (4)
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