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Patents > National tech categories : DE 77h.5 or None & Number of claims: 4-7

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GB (347) · US (294) · FR (123) · DE (91) · None (19) · AT (14) · IT (14) · CH (11) · AU (10) · CA (8) · NZ (7) · BE (6) · RU (5) · HU (5) · RO (5) · ES (4) · Prussia (3) · IE (3)
Inventor location:
None (844) · London (10) · Yorkshire (7) · England (5) · Pennsylvania (5) · New York (5) · Bouches-du-Rhône (4) · County of London (4) · Leeds (4) · Seine (4) · Marseille (4) · New York City (4)
Applicant firm:
None (831) · Blackburn Aeroplane and Motor Co. (11) · Curtiss Aeroplane (9) · Sopwith Aviation Company Limited (7) · Varioplane Company (5) · British and Colonial Aeroplane Co. (5) · Rumpler-Werke G.m.b.H. in Berlin-Johannisthal (4) · Vickers Limited (4) · Société Anonyme des Établissements Nieuport (3) · Sperry Gyroscope Company (3) · Blackburn Aeroplane & Motor Co. (2) · Luft-Verkehrs-Gesellschaft m.b.H. (2) · Zeppelin-Werke G.m.b.H. (2) · Vickers Ltd. (2) · Jacob Lohner & Co. (2) · American Mechanical Improvement Company (2) · Curtiss Aeroplane and Motor Corporation (2) · Westinghouse Electric & Manufacturing Company (2) · Siemens-Schuckert-Werke G.m.b.H. (2) · Planes Ltd. (2)
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IPCs:
None (350) · IPC B64C1/00 (56) · IPC B64C39/00 (54) · IPC B64C17/00 (54) · IPC B64C13/00 (34) · IPC B64C3/00 (33) · IPC B64C35/00 (30) · IPC B64B1/00 (25) · IPC B64C3/38 (23) · IPC B64C23/00 (21) · IPC B64C11/00 (21) · IPC B64C3/18 (20) · IPC B64C27/04 (14) · IPC B64C25/00 (12) · IPC B64C33/02 (12) · IPC B64C33/00 (10) · IPC B64B1/58 (8) · IPC B64C3/54 (8) · IPC B64C3/56 (8)
First filing:
Cites these patents:
None (935) · Patent GB-1914-23502 (2)
Citations from after 1930:
Number of claims:
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