TREA

Calvin Rushforth

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  • Andover, MA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Expansible coupling
    • Patent number 4,718,702
    • Issue date Jan 12, 1988
    • Northern Research & Engineering Company
    • Calvin Rushforth
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Particulate dispersion apparatus
    • Patent number 4,717,075
    • Issue date Jan 5, 1988
    • Northern Research & Engineering Corp.
    • Anthony F. Carter
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    Fluid cooled casting apparatus having improved fluid seal
    • Patent number 4,531,568
    • Issue date Jul 30, 1985
    • Kennecott Corporation
    • Calvin Rushforth
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Oscillating mold casting apparatus
    • Patent number 4,301,857
    • Issue date Nov 24, 1981
    • Kennecott Corporation
    • Calvin Rushforth
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Coiling system for metallic strands
    • Patent number 4,172,375
    • Issue date Oct 30, 1979
    • Kennecott Copper Corporation
    • Calvin Rushforth
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...