TREA

Leonard Shapiro

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  • Upper Darby, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Centrifuge apparatus
    • Patent number 4,761,157
    • Issue date Aug 2, 1988
    • Pennwalt Corporation
    • Leonard Shapiro
    • B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
  • Information Patent Grant

    Rinsing on a solid bowl centrifuge
    • Patent number 4,654,022
    • Issue date Mar 31, 1987
    • Pennwalt Corporation
    • Leonard Shapiro
    • B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
  • Information Patent Grant

    Hard surfacing for a centrifuge conveyor
    • Patent number 4,416,656
    • Issue date Nov 22, 1983
    • Pennwalt Corporation
    • Leonard Shapiro
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Three-phase decanter
    • Patent number 4,335,846
    • Issue date Jun 22, 1982
    • Pennwalt Corporation
    • Leonard Shapiro
    • B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
  • Information Patent Grant

    Hard surfacing for a centrifuge conveyor
    • Patent number 4,328,925
    • Issue date May 11, 1982
    • Pennwalt Corporation
    • Leonard Shapiro
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL