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Patents > National tech categories : USPC 139/425R or None & Number of text pages: 2-3

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Office:
Inventor country:
US (573) · GB (512) · FR (288) · DE (208) · IT (38) · AT (37) · None (29) · CH (25) · CA (21) · BE (18) · RU (12) · AU (9) · SE (8) · HU (8) · NZ (7) · Prussia (6) · Poland (5) · ES (5) · NO (5)
Applicant firm:
None (1564) · Curtiss Aeroplane (21) · Blackburn Aeroplane and Motor Co. (8) · Westinghouse Electric & Manufacturing Company (6) · Sperry Gyroscope Company (6) · Sopwith Aviation Company Limited (6) · Vickers Limited (5) · Siemens-Schuckert-Werke G.m.b.H. (5) · Moteurs Salmson (5) · Curtiss Aeroplane and Motor Corporation (4) · Varioplane Company (4) · Société Anonyme des Établissements Nieuport (4) · British and Colonial Aeroplane Co. (4) · Kawneer Manufacturing Company (4) · E. Rumpler Luftfahrzeugbau G.m.b.H. (4)
Applicant is inventor:
Granted:
Related to aircraft:
Assigned to:
None (1693) · Curtiss Aeroplane (6) · Sperry Gyroscope Company (6) · Westinghouse Electric & Manufacturing Company (5) · Curtiss Aeroplane and Motor Corporation (5) · Moteurs Salmson (4) · Kawneer Manufacturing Company (3) · Vertical Propeller Co. (2) · Société Anonyme des Établissements Nieuport (2) · Magneso Calcite Fire-Proof Company (2) · Haskelite Manufacturing Corporation (2) · Goodyear Tire and Rubber Company (2) · John W. Rapp (2) · Air Turbine Company of America (2)
National tech categories: (Click arrow to add another value)
IPCs:
None (709) · IPC B64C39/00 (81) · IPC B64C1/00 (79) · IPC B64C17/00 (75) · IPC B64C3/00 (62) · IPC B64C13/00 (48) · IPC B64C35/00 (45) · IPC B64B1/00 (42) · IPC B64C11/00 (41) · IPC B64C23/00 (41) · IPC B64C3/38 (32) · IPC B64B1/58 (26) · IPC B64C3/18 (26) · IPC B64C25/00 (25) · IPC B64C11/04 (21) · IPC B64C33/00 (18) · IPC B64C11/16 (17) · IPC B64C33/02 (17) · IPC B64C3/56 (17)
First filing:
Cites these patents:
None (1753) · Patent GB-1909-3202 (2) · Patent GB-1913-5223 (2) · Patent GB-1912-5966 (2) · Patent GB-1909-8118 (2) · Patent GB-1912-15735 (2)
Citations from after 1930:
Number of text pages:
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