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Patents > Office: GB & National tech categories : GB 4 without buoyant or None

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Office: (Click arrow to add another value)
Inventor country:
None (1352) · GB (1058) · FR (396) · US (320) · DE (299) · IT (56) · AT (42) · CH (33) · CA (23) · BE (22) · AU (21) · RU (18) · HU (15) · IE (14) · NZ (10) · Great Britain (10) · NO (9) · RO (9) · ES (8)
Applicant firm:
None (3534) · Blackburn Aeroplane and Motor Co. (19) · Vickers (15) · British and Colonial Aeroplane Co. (8) · Sopwith Aviation Company Limited (6) · Siemens-Schuckert-Werke G.m.b.H. (5) · Varioplane Company (5) · E. Rumpler Luftfahrzeugbau G.m.b.H. (4) · Blackburn Aeroplane & Motor Co. (4) · Société anonyme Astra AB (4) · Société anonyme Astra (3) · North British Rubber Company (3) · Motorluftschiff Studiengesellschaft m.b.H (3) · Luftschiffbau Zeppelin (3) · Jacob Lohner & Co. (3) · Daimler-Motoren-Gesellschaft (3) · Sopwith Aviation (3) · Planes Ltd. (3) · Zeppelin-Werke G.m.b.H. (3) · Aéroplanes Morane-Saulnier (3)
Applicant is inventor:
Granted:
National tech categories: (Click arrow to add another value)
IPCs:
None (2445) · IPC B64C17/00 (123) · IPC B64C1/00 (117) · IPC B64C39/00 (109) · IPC B64C35/00 (59) · IPC B64C13/00 (57) · IPC B64C3/00 (56) · IPC B64B1/00 (51) · IPC B64C3/38 (50) · IPC B64C11/00 (48) · IPC B64C3/18 (35) · IPC B64C23/00 (31) · IPC B64B1/58 (30) · IPC B64C27/04 (25) · IPC B64C3/54 (25) · IPC B64C25/00 (24) · IPC B64C17/06 (22) · IPC B64C33/02 (20) · IPC B64C3/56 (19)
First filing:
Cites these patents:
None (3661) · Patent GB-1912-15735 (2) · 1 (2) · Patent GB-1901-346 (2) · Patent GB-1909-8118 (2) · Patent GB-1909-3202 (2) · Patent GB-1914-23502 (2) · Patent GB-1913-5223 (2) · Patent GB-1912-5966 (2)
Citations from after 1930:
Number of diagram pages:

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