TREA

Stanley R. Prew

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  • Montoursville, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Live center bin modification
    • Patent number 4,697,750
    • Issue date Oct 6, 1987
    • SWM Corporation
    • Stanley R. Prew
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Method for manufacturing a screw flight
    • Patent number 4,596,064
    • Issue date Jun 24, 1986
    • Koppers Company, Inc.
    • Stanley R. Prew
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Hog granulator
    • Patent number 4,545,538
    • Issue date Oct 8, 1985
    • Koppers Company, Inc.
    • Stanley R. Prew
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Method and apparatus for mixing particulate material
    • Patent number 4,493,556
    • Issue date Jan 15, 1985
    • Koppers Company, Inc.
    • Stanley R. Prew
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Plate adjustment system
    • Patent number 4,447,011
    • Issue date May 8, 1984
    • Koppers Company, Inc.
    • Stanley Prew
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Twin refiner apparatus
    • Patent number 4,093,130
    • Issue date Jun 6, 1978
    • Koppers Company, Inc.
    • Stanley Robert Prew
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...