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Patents > Office : BE or CA or GB & First filing: Yes

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Office: (Click arrow to add another value)
Inventor country:
GB (972) · None (296) · US (239) · FR (225) · DE (183) · BE (43) · IT (28) · CA (23) · AT (22) · CH (21) · RU (15) · IE (13) · AU (11) · NZ (10) · Great Britain (9) · IN (6) · NO (6)
Applicant firm:
None (1982) · Blackburn Aeroplane and Motor Co. (19) · Vickers (14) · Vickers Limited (7) · British and Colonial Aeroplane Co. (7) · Sopwith Aviation Company Limited (5) · Siemens-Schuckert-Werke G.m.b.H. (4) · Varioplane Company (4) · Blackburn Aeroplane & Motor Co. (4) · Société anonyme Astra AB (4) · Sopwith Aviation (3) · E. Rumpler Luftfahrzeugbau G.m.b.H. (3)
Applicant is inventor:
Granted:
Supplementary to patent:
None (1931) ·   (8) · Patent FR-1911-448337 (2) · Patent FR-1912-439277 (2) · Patent FR-1913-472867 (2) · Patent FR-1910-435648 (2)
Patent agent:
None (1057) · Marks & Clerk (95) · Haseltine, Lake & Co. (58) · Boult, Wade & Tennant (57) · None (54) · Brewer & Son (50) · Herbert Haddan & Co. (28) · Abel & Imray (25) · W. P. Thompson & Co. (24) · Wheatley & Mackenzie (22) · Mewburn, Ellis & Pryor (17) · G. F. Redfern & Co. (15) · J. S. Withers & Spooner (15) · A. M. & William Clark (14) · Jensen & Son (14) · Edward Evans & Co. (14) · Brierley & Howard (13) · Hyde & Heide (12) · J. Owden O'Brien (11) · Browne & Co. (11)
National tech categories:
None (1976) · BE K (75) · GB 4 propel & steer (9) · GB 4 propelling (6) · CA 244/24 (5) · GB 4 aërostats (5) · GB 4 without buoyant (4) · GB 4 with buoyant (4) · GB 4 aëroplanes (4) · GB 4 (4) · FR 6.4 (4) · GB 4 steering (3) · GB 4 framework (3) · CA 244/35 (3) · GB 4 starting (2) · GB 122 (2) · CPC B 64C39/00 (2) · CPC B 64C23/005 (2) · CA 341/80 (2)
IPCs:
None (1198) · IPC B64C39/00 (84) · IPC B64C1/00 (70) · IPC B64C17/00 (70) · IPC B64C3/00 (48) · IPC B64C13/00 (47) · IPC B64B1/00 (45) · IPC B64C35/00 (44) · IPC B64C11/00 (39) · IPC B64C3/38 (35) · IPC B64C23/00 (29) · IPC B64C3/18 (28) · IPC B64B1/58 (24) · IPC B64C25/00 (23) · IPC B64C27/04 (21) · IPC B64C3/54 (19) · IPC B64C33/02 (18) · IPC B64C3/56 (14) · IPC B64C1/06 (13)
First filing: (Click arrow to add another value)
Cites these patents:
None (2084) · Patent GB-1914-23502 (2) · Patent GB-1901-346 (2) · Patent GB-1912-15735 (2) · Patent GB-1912-5966 (2) · Patent GB-1913-5223 (2) · Patent GB-1909-8118 (2) · Patent GB-1908-17150 (2)
Citations from after 1930:

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