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Leonhard Spiewok

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  • CH-8304 Wallisellen, CH
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Patents Grantslast 30 patents

  • Information Patent Grant

    Treatment machine with rotatable treatment drum
    • Patent number 4,704,879
    • Issue date Nov 10, 1987
    • Sulzer-Escher Wyss Ltd.
    • Alfred Christ
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    Centrifuge sieve and method of producing the same
    • Patent number 4,569,761
    • Issue date Feb 11, 1986
    • Sulzer-Escher Wyss AG
    • Leonhard Spiewok
    • B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
  • Information Patent Grant

    Method and apparatus for balancing of out-of-balance forces in cent...
    • Patent number 4,517,695
    • Issue date May 21, 1985
    • Ernst H. Hoffmann
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    Method for controlling the acceleration of a centrifuging device
    • Patent number 4,513,464
    • Issue date Apr 30, 1985
    • Sulzer-Escher Wyss Ltd.
    • Jakob Rettich
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    Centrifuge sieve
    • Patent number 4,430,221
    • Issue date Feb 7, 1984
    • Escher Wyss Limited
    • Leonhard Spiewok
    • B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
  • Information Patent Grant

    Centrifuge screen
    • Patent number 4,313,992
    • Issue date Feb 2, 1982
    • Escher Wyss Limited
    • Leonhard Spiewok
    • B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
  • Information Patent Grant

    Method of making a centrifuge screen
    • Patent number 4,259,136
    • Issue date Mar 31, 1981
    • Escher Wyss Limited
    • Leonhard Spiewok
    • B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
  • Information Patent Grant

    Peeling centrifuge
    • Patent number 4,146,476
    • Issue date Mar 27, 1979
    • Escher Wyss Limited
    • Leonhard Spiewok
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Vertical centrifuge
    • Patent number 4,014,497
    • Issue date Mar 29, 1977
    • Escher Wyss Limited
    • Leonhard Spiewok
    • B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...