Drilldown: Patents

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Patents > Inventor country: GB & Applicant firm: None & Supplementary to patent: None

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Patent agent:
None (633) · None (43) · Marks & Clerk (39) · Brewer & Son (22) · Boult, Wade & Tennant (22) · Abel & Imray (13) · Brierley & Howard (13) · G. F. Redfern & Co. (12) · Hyde & Heide (11) · Haseltine, Lake & Co. (10) · A. M. & William Clark (10) · Mewburn, Ellis & Pryor (9) · J. Owden O'Brien (8) · Browne & Co. (7) · Lewis William Goold (6)
National tech categories:
None (1011) · FR 6.4 (34) · GB 4 propel & steer (18) · GB 4 without buoyant (10) · GB 4 framework (5) · IT 8 (5) · NL 62 (5) · GB 4 aëroplanes (5) · DE 77 (4) · USPC 244/90R (4) · BE K (4) · GB 4 motors (4) · GB 4 starting (4)
IPCs:
None (681) · IPC B64C39/00 (39) · IPC B64C17/00 (31) · IPC B64C35/00 (30) · IPC B64C3/00 (29) · IPC B64C1/00 (29) · IPC B64C3/18 (25) · IPC B64B1/00 (24) · IPC B64C13/00 (24) · IPC B64C11/00 (17) · IPC B64C23/00 (15) · IPC B64C3/54 (13) · IPC B64C1/06 (12) · IPC B64C25/00 (12) · IPC B64C27/04 (11) · IPC B64C11/04 (11) · IPC B64C3/38 (10) · IPC B64C33/02 (9) · IPC B64B1/58 (8) · IPC B64C17/06 (7)
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Cites these patents:
None (1149) · Patent GB-1913-5223 (2) · Patent GB-1901-346 (2) · Patent GB-1909-25116 (2) · Patent GB-1912-15735 (2) · Patent GB-1912-5966 (2) · Patent GB-1909-8118 (2) · Patent GB-1914-23502 (2) · 1 (2)
Citations from after 1930:

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