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Patents > Office : GR or US & National tech categories : USPC 244/80 or None

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Office: (Click arrow to add another value)
Applicant firm:
None (2012) · Curtiss Aeroplane (55) · Tarbox Safety Aircraft Company (9) · Westinghouse Electric & Manufacturing Company (6) · Curtiss Aeroplane and Motor Corporation (6) · Sperry Gyroscope Company (5) · Moteurs Salmson (4) · Société Anonyme des Établissements Nieuport (4) · Curtiss Aeroplane & Motor Corporation (3) · Grand Rapids Trust Company (3) · General Electric Co. (3) · Ordnance Engineering Corp. (2) · Dewey Corporation (2) · Magneso Calcite Fire-Proof Company (2) · Lawrence Sperry Aircraft Company, Inc. (2) · John A. Roebling's Sons (2) · United Fast Color Eyelet Company (2) · Westinghouse Air Spring Company (2) · L W F Engineering Company (2)
Applicant is inventor:
Granted:
Supplementary to patent:
None (2074) · 1 (8) · Patent NO-1915-12-15 Carl Alfred Johansson (2)
Assigned to:
None (2000) · 1 (29) · Sperry Gyroscope Company (6) · Moteurs Salmson (4) · Westinghouse Electric & Manufacturing Company (4) · Tarbox Safety Aircraft Company (3) · Goodyear Tire and Rubber Company (3) · Curtiss Aeroplane and Motor Corporation (3) · Curtiss Aeroplane (3) · Magneso Calcite Fire-Proof Company (2) · Dewey Corporation (2) · Curtiss Aeroplane & Motor Corporation (2) · Société Anonyme des Établissements Nieuport (2) · Syracuse, NY (2) · John A. Roebling's Sons (2) · Westinghouse Air Spring Company (2)
National tech categories: (Click arrow to add another value)
IPCs:
None (2021) · IPC B64C17/00 (18) · IPC B64C3/00 (13) · 1 (10) · IPC B64C39/00 (9) · IPC B64C3/18 (6) · IPC B64C11/20 (6) · IPC B64C13/12 (5) · IPC B64C11/04 (5) · IPC B64C35/00 (5) · IPC B64C1/00 (4) · IPC B64C25/00 (3) · IPC B64C23/00 (3) · IPC B64C13/24 (3) · IPC B64C27/10 (3) · IPC B64C27/04 (3)
First filing:
Cites these patents:
None (2111) · 1 (4) · USPC 244/87 (3) · CPC B64B1/00 (3) · USPC 244/48 (2) · USPC 244/26 (2)
Citations from after 1930:

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