TREA

Philip C. Feffer

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  • Columbia, MD, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Bounce crimping apparatus
    • Patent number 4,316,311
    • Issue date Feb 23, 1982
    • Chevron Research
    • Philip C. Feffer
    • D02 - YARNS MECHANICAL FINISHING OF YARNS OR ROPES WARPING OR BEAMING
  • Information Patent Grant

    Texturizing process
    • Patent number 4,309,801
    • Issue date Jan 12, 1982
    • Chevron Research
    • Philip C. Feffer
    • D02 - YARNS MECHANICAL FINISHING OF YARNS OR ROPES WARPING OR BEAMING
  • Information Patent Grant

    Method and apparatus for making bounce crimped yarn
    • Patent number 4,293,985
    • Issue date Oct 13, 1981
    • Chevron Research Company
    • Philip C. Feffer
    • D02 - YARNS MECHANICAL FINISHING OF YARNS OR ROPES WARPING OR BEAMING
  • Information Patent Grant

    Process for bounce crimp texturizing yarn
    • Patent number 4,226,010
    • Issue date Oct 7, 1980
    • Chevron Research Company
    • Philip C. Feffer
    • D02 - YARNS MECHANICAL FINISHING OF YARNS OR ROPES WARPING OR BEAMING
  • Information Patent Grant

    Improvements in thermoplastic yarn rebound texturizing methods
    • Patent number 4,160,307
    • Issue date Jul 10, 1979
    • Chevron Research Company
    • David Soutar
    • D02 - YARNS MECHANICAL FINISHING OF YARNS OR ROPES WARPING OR BEAMING
  • Information Patent Grant

    Bounce crimp unit with annularly segmented yarn receiver
    • Patent number 4,142,280
    • Issue date Mar 6, 1979
    • Chevron Research Company
    • Philip C. Feffer
    • D02 - YARNS MECHANICAL FINISHING OF YARNS OR ROPES WARPING OR BEAMING