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Patents > Office : GB or MX & Applicant is inventor: Yes & Supplementary to patent : Patent BE-1909-214032 or Patent HU-1901-24148 or Patent NO-1915-12-15 Carl Alfred Johansson or None

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Office: (Click arrow to add another value)
Inventor country:
None (1325) · GB (898) · US (228) · DE (160) · FR (131) · IT (27) · CH (23) · MX (22) · AU (16) · AT (16) · CA (15) · BE (13) · RU (13) · IE (11) · HU (9) · NZ (9) · IN (7) · NO (6) · ES (6) · SE (5)
Applicant firm:
None (2893) · British and Colonial Aeroplane Co. (4) · Varioplane Company (3) · Sopwith Aviation Company Limited (3) · North British Rubber Company (3) · Lang Propeller Limited (2)
Applicant is inventor: (Click arrow to add another value)
Granted:
Supplementary to patent: (Click arrow to add another value)
Patent agent:
None (2039) · Marks & Clerk (75) · Boult, Wade & Tennant (47) · None (44) · Haseltine, Lake & Co. (35) · Brewer & Son (28) · Wheatley & Mackenzie (20) · Herbert Haddan & Co. (19) · G. F. Redfern & Co. (18) · Abel & Imray (17) · W. P. Thompson & Co. (16) · Jensen & Son (13) · Brierley & Howard (13) · A. M. & William Clark (13) · J. S. Withers & Spooner (12) · Hyde & Heide (12) · Mewburn, Ellis & Pryor (12) · J. Owden O'Brien (11)
National tech categories:
None (2789) · GB 4 propel & steer (43) · MX F. III (32) · GB 4 without buoyant (26) · GB 4 with buoyant (16) · GB 4 (16) · GB 4 aëroplanes (11) · GB 4 aërostats (10) · GB 4 framework (9) · MX F. II (7) · GB 4 motors (6) · GB 4 cars and cabins (6) · GB 4 propelling (5) · GB 122 aero steam engines (5) · MX F. I (4) · GB 4 starting (4) · GB 4 military (4) · FR 6.4 (4) · GB 123 aero steam generators (4) · GB 122 (3)
IPCs:
None (2176) · IPC B64C39/00 (68) · IPC B64C1/00 (59) · IPC B64C17/00 (58) · IPC B64C3/00 (37) · IPC B64C13/00 (35) · IPC B64C35/00 (32) · IPC B64C11/00 (31) · IPC B64B1/00 (29) · IPC B64C3/18 (27) · IPC B64C3/38 (24) · IPC B64C23/00 (23) · IPC B64C3/54 (18) · IPC B64B1/58 (17) · IPC B64C27/04 (17) · IPC B64C25/00 (15) · IPC B64C33/02 (13) · IPC B64C1/06 (13) · IPC B64C3/56 (12) · IPC B64C11/04 (11)
First filing:
Cites these patents:
None (2890) · 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) · 1 (2)
Citations from after 1930:

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