TREA

Rolf Lehmann

Follow

Person

  • Rudolfstetten, CH
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Machine for continuous manufacture of chipboards, fibreboards or si...
    • Patent number 5,527,422
    • Issue date Jun 18, 1996
    • Sulzer-Escher Wyss AG
    • Rolf Lehmann
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Rotary printing machine
    • Patent number 5,513,566
    • Issue date May 7, 1996
    • Sulzer-Escher Wyss AG
    • Rolf Lehmann
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Roll for web pressing or web guiding
    • Patent number 5,431,321
    • Issue date Jul 11, 1995
    • Sulzer-Escher Wyss GmbH
    • Christoph Link
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    Roll with adjustable deflection
    • Patent number 5,393,290
    • Issue date Feb 28, 1995
    • Sulzer-Escher Wyss GmbH
    • Rolf Lehmann
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Rotary printing press
    • Patent number 5,372,068
    • Issue date Dec 13, 1994
    • Sulzer-Escher Wyss AG
    • Rolf Lehmann
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Printing cylinder of a rotary printing press and a method for use t...
    • Patent number 5,345,864
    • Issue date Sep 13, 1994
    • Sulzer-Escher Wyss AG
    • Gunther Machguth
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Deflection controlled roll
    • Patent number 5,290,223
    • Issue date Mar 1, 1994
    • Sulzer-Escher Wyss GmbH
    • Rolf Lehmann
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Apparatus and method for producing plastic foils
    • Patent number 5,240,666
    • Issue date Aug 31, 1993
    • Sulzer-Escher Wyss AG
    • Eugen Schnyder
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Controlled deflection roll
    • Patent number 5,197,174
    • Issue date Mar 30, 1993
    • Sulzer-Escher Wyss AG
    • Rolf Lehmann
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Controlled deflection roll
    • Patent number 5,111,566
    • Issue date May 12, 1992
    • Sulzer-Escher Wyss AG
    • Eugen Schnyder
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Impression cylinder of a rotogravure press
    • Patent number 5,094,163
    • Issue date Mar 10, 1992
    • Sulzer-Escher Wyss AG
    • Rolf Lehmann
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Hydrostatic support arrangement
    • Patent number 4,726,691
    • Issue date Feb 23, 1988
    • Sulzer-Escher Wyss AG
    • Rolf Lehmann
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Method and control apparatus for separating the rolls of a calender
    • Patent number 4,721,039
    • Issue date Jan 26, 1988
    • Sulzer-Escher Wyss AG
    • Rolf Lehmann
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Method of, and apparatus for, the continuous casting of rapidly sol...
    • Patent number 4,721,154
    • Issue date Jan 26, 1988
    • Sulzer-Escher Wyss AG
    • Alfred Christ
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Heat insulating protective shields for two-roll calender with heate...
    • Patent number 4,610,617
    • Issue date Sep 9, 1986
    • Sulzer-Escher Wyss AG
    • Alfred Christ
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Calender for pressure and thermal treatment of material webs
    • Patent number 4,605,366
    • Issue date Aug 12, 1986
    • Sulzer-Escher Wyss AG
    • Rolf Lehmann
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Controlled deflection roll
    • Patent number 4,581,797
    • Issue date Apr 15, 1986
    • Sulzer-Escher Wyss AG
    • Rolf Lehmann
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Roll for a rolling mill
    • Patent number 4,429,446
    • Issue date Feb 7, 1984
    • Escher Wyss Aktiengesellschaft
    • Rolf Lehmann
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Roller with a roller surface which is to be heated or cooled
    • Patent number 4,422,318
    • Issue date Dec 27, 1983
    • Escher Wyss Limited
    • Alfred Christ
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Apparatus for thermally treating a layer of material
    • Patent number 4,358,993
    • Issue date Nov 16, 1982
    • Escher Wyss Limited
    • Werner Spillmann
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    Heated controlled deflection roll
    • Patent number 4,282,639
    • Issue date Aug 11, 1981
    • Escher Wyss Limited
    • Alfred Christ
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Controlled deflection roll
    • Patent number 4,282,638
    • Issue date Aug 11, 1981
    • Escher Wyss Limited
    • Alfred Christ
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Controlled deflection roll
    • Patent number 4,271,575
    • Issue date Jun 9, 1981
    • Escher Wyss Limited
    • Rolf Lehmann
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Controlled deflection roll
    • Patent number 4,249,290
    • Issue date Feb 10, 1981
    • Escher Wyss Ltd.
    • Rolf Lehmann
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Treatment of a web of material
    • Patent number 4,246,668
    • Issue date Jan 27, 1981
    • Escher Wyss Limited
    • Werner Spillmann
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    Rolling device having at least one controlled deflection roll
    • Patent number 4,222,255
    • Issue date Sep 16, 1980
    • Escher Wyss Aktiengesellschaft
    • Rolf Lehmann
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Rolling mill
    • Patent number 4,218,905
    • Issue date Aug 26, 1980
    • Escher Wyss Limited
    • Rolf Lehmann
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Controlled deflection roll
    • Patent number 4,214,354
    • Issue date Jul 29, 1980
    • Escher Wyss Limited
    • Rolf Lehmann
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Calender composed of controlled deflection rolls
    • Patent number 4,198,905
    • Issue date Apr 22, 1980
    • Escher Wyss Aktiengesellschaft
    • Rolf Lehmann
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Rolling mill
    • Patent number 4,154,078
    • Issue date May 15, 1979
    • Escher Wyss Limited
    • Rolf Lehmann
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...