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Patents > National tech categories : USPC 244/99 or None & Number of text pages: 2

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Inventor country:
US (308) · GB (234) · FR (163) · DE (142) · IT (22) · AT (20) · None (13) · CA (11) · CH (10) · BE (8) · RU (8) · NZ (5) · SE (5) · NO (4)
Inventor location:
None (819) · England (7) · Pennsylvania (7) · Nord (6) · Marseille (6) · London (6) · Berlin (5) · Paris (5) · New York City (4) · NY (4) · Bouches-du-Rhône (4) · New Jersey (4) · Allegheny county, Pennsylvania (4) · Missouri (4)
Applicant firm:
None (837) · Blackburn Aeroplane and Motor Co. (5) · Siemens-Schuckert-Werke G.m.b.H. (5) · Curtiss Aeroplane (5) · Moteurs Salmson (5) · E. Rumpler Luftfahrzeugbau G.m.b.H. (4) · Westinghouse Electric & Manufacturing Company (4) · North British Rubber Company (3) · Jacob Lohner & Co. (3)
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Related to aircraft:
Assigned to:
None (908) · Westinghouse Electric & Manufacturing Company (4) · Moteurs Salmson (4) · Sperry Gyroscope Company (2) · Magneso Calcite Fire-Proof Company (2)
National tech categories: (Click arrow to add another value)
IPCs:
None (421) · IPC B64C1/00 (34) · IPC B64C39/00 (33) · IPC B64C17/00 (31) · IPC B64C3/00 (30) · IPC B64B1/00 (27) · IPC B64C35/00 (25) · IPC B64C13/00 (22) · IPC B64C11/00 (19) · IPC B64C3/18 (19) · IPC B64B1/58 (17) · IPC B64C23/00 (17) · IPC B64C3/38 (15) · IPC B64C11/04 (14) · IPC B64C25/00 (13) · IPC B64C1/06 (10) · IPC B64C3/56 (9) · IPC B64C33/02 (9) · IPC B64C5/04 (9) · IPC B64C11/16 (9)
First filing:
Cites these patents:
None (943) · Patent GB-1909-8118 (2)
Citations from after 1930:
Number of text pages:
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