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Patents > Inventor country: GB & Applicant firm: None & Supplementary to patent: None & Number of diagram pages: 1-2

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Patent agent:
None (90) · None (31) · Marks & Clerk (31) · Boult, Wade & Tennant (19) · Brewer & Son (17) · Brierley & Howard (12) · G. F. Redfern & Co. (11) · Hyde & Heide (10) · Abel & Imray (10) · Mewburn, Ellis & Pryor (9) · A. M. & William Clark (8) · Haseltine, Lake & Co. (7) · Browne & Co. (6) · Phillips & Leigh (6) · Harris & Mills (5) · Carpmaels, Radford & Newton (5)
National tech categories:
None (442) · FR 6.4 (19) · GB 4 propel & steer (5) · DE 77 (3) · NL 62.7 (3) · DE 77h (3) · NL 62 (3) · HU V/h (2) · GB 4 without buoyant (2) · DE 77h.6 (2) · USPC 244/66 (2)
IPCs:
None (140) · IPC B64C39/00 (29) · IPC B64C3/00 (26) · IPC B64C17/00 (24) · IPC B64C35/00 (23) · IPC B64C13/00 (20) · IPC B64C3/18 (20) · IPC B64C1/00 (18) · IPC B64C11/00 (14) · IPC B64B1/00 (14) · IPC B64C11/04 (10) · IPC B64C1/06 (10) · IPC B64C23/00 (9) · IPC B64C25/00 (8) · IPC B64C27/04 (7) · IPC B64C29/00 (6) · IPC B64B1/58 (6) · IPC B64C3/54 (6)
CPCs:
None (91) · CPC B64C2700/6295 (31) · CPC B64C3/00 (26) · CPC B64C13/00 (25) · CPC B64C17/00 (25) · CPC B64C2700/6256 (23) · CPC B64C39/00 (22) · CPC B64C35/00 (22) · CPC B64B1/00 (17) · CPC B64C2700/6235 (14) · CPC B64C23/005 (14) · CPC B64C2700/6218 (12) · CPC B64C11/04 (12) · CPC B64C3/185 (12) · CPC B64C2700/6274 (11) · CPC B64C2700/6233 (11) · CPC B64C3/18 (10) · CPC B64C1/065 (9) · CPC B64B1/58 (8) · CPC B64C2700/6212 (8)
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Cites these patents:
None (481) · Patent GB-1914-23502 (2) · Patent GB-1909-8118 (2) · Patent GB-1909-25116 (2)
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