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Patents > Office : GB or MX & Application number : 191020607D or None & National tech categories : GB 4 propelling or None

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Office: (Click arrow to add another value)
Inventor country:
None (1117) · GB (278) · FR (107) · DE (94) · US (64) · IT (13) · AT (12) · HU (10) · CH (8) · BE (7) · ES (7) · CA (5) · RU (4) · NZ (4) · AH (4) · Prussia (3) · MX (3)
Applicant is inventor:
Application number: (Click arrow to add another value)
Granted:
Supplementary to patent:
None (1504) ·   (11) · Patent FR-1907-382895 (3) · Patent FR-1911-430455 (3) · Patent AT-1911-57225 (2) · Patent FR-1907-377174 (2) · Patent FR-1912-439277 (2) · Patent GB-1903-27212 (2) · Patent GB-1909-8531 (2) · Patent GB-1911-26722 (2) · Patent GB-1911-29012 (2) · Patent GB-1912-18166 (2) · Patent GB-1913-21688 (2) · Patent IT-1907-03-09 (2) · Patent GB-1908-21754 (2)
Patent agent:
None (1235) · Haseltine, Lake & Co. (49) · Boult, Wade & Tennant (33) · Marks & Clerk (32) · Herbert Haddan & Co. (19) · Wheatley & Mackenzie (18) · W. P. Thompson & Co. (17) · None (12) · Abel & Imray (12) · G. F. Redfern & Co. (11) · Brewer & Son (9) · Jensen & Son (9) · A. M. & William Clark (8) · Brierley & Howard (7) · Boult, Wade, and Tennant (7) · D. Young & Co. (7) · Edward Evans & Co. (6) · Hy. Fairbrother (6)
National tech categories: (Click arrow to add another value)
IPCs:
None (1522) · IPC B64D27/00 (12) · IPC B64D17/00 (8) · IPC F41A19/05 (8) · IPC B63H1/12 (7) · IPC B64D7/02 (6) · IPC B64C39/00 (5) · IPC B64D1/02 (4) · IPC B64C1/00 (4) · IPC B64D27/04 (4) · IPC B64F1/14 (4) · IPC B64C3/38 (4) · IPC B64C35/00 (4) · IPC B64D35/06 (4)
CPCs:
None (1505) · CPC B64D27/00 (12) · CPC F41A19/05 (8) · CPC B64D17/00 (7) · CPC B64D7/02 (6) · CPC B63H11/12 (5) · CPC B64D2700/62763 (5) · CPC B63H11/08 (4) · CPC B64C13/00 (4) · CPC B64C2700/6295 (4) · CPC B63H1/12 (4) · CPC B63H1/26 (4) · CPC B64F1/14 (4) · CPC B64D35/06 (4) · CPC E04B1/346 (4)
First filing:
Cites these patents:
None (1711) · Patent GB-1901-346 (2) · Patent GB-1914-23502 (2)
Citations from after 1930:

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