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K.A. Schmersal GmbH

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  • Wuppertal, DE
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Safety lock
    • Patent number 7,357,429
    • Issue date Apr 15, 2008
    • K. A. Schmersal GmbH & Co.
    • Manfred Eichenauer
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Device for actuating an electromagnet
    • Patent number 6,798,634
    • Issue date Sep 28, 2004
    • K. A. Schmersal GmbH & Co.
    • Hermann Hoepken
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Method and device for position detection of an object along an acou...
    • Patent number 6,659,232
    • Issue date Dec 9, 2003
    • K. A. Schmersal GmbH & Co.
    • Christian Oelschlegel
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Apparatus for detecting position
    • Patent number 6,570,817
    • Issue date May 27, 2003
    • K. A. Schmersal GmbH & Co.
    • Hermann Hoepken
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Monitoring device
    • Patent number 6,539,760
    • Issue date Apr 1, 2003
    • K. A. Schmersal GmbH & Co.
    • Helmut Letzel
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Apparatus for detecting position
    • Patent number 6,366,532
    • Issue date Apr 2, 2002
    • K.A. Schmersal GmbH & Co.
    • Hermann Hoepken
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Acoustical position detector
    • Patent number 6,311,803
    • Issue date Nov 6, 2001
    • K.A. Schmersal GmbH & Co.
    • Stefan Turk
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Apparatus for monitoring and controlling access to a restricted area
    • Patent number 6,283,514
    • Issue date Sep 4, 2001
    • K. A. Schmersal GmbH & Co.
    • Helmut Letzel
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Field-bus connecting device
    • Patent number 6,210,179
    • Issue date Apr 3, 2001
    • K. A. Schmersal GmbH & Co.
    • Gerd Lausberg
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Contactless safety switch
    • Patent number 6,212,052
    • Issue date Apr 3, 2001
    • K.A. Schmersal GmbH & Co.
    • Friedhelm Heuer
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Actuator for a safety switch
    • Patent number 6,100,479
    • Issue date Aug 8, 2000
    • K. A. Schmersal GmbH & Co.
    • Guntram Fust
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Pushbutton switch
    • Patent number 6,087,605
    • Issue date Jul 11, 2000
    • K. A. Schmersal GmbH & Co.
    • Walter Heidenfels
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Method and zero-speed monitor for monitoring a three-phase machine
    • Patent number 6,049,284
    • Issue date Apr 11, 2000
    • K. A. Schmersal GmbH & Co.
    • Friedhelm Heuer
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Safety switch device
    • Patent number 5,896,783
    • Issue date Apr 27, 1999
    • K. A. Schmersal GmbH & Co.
    • Helmut Letzel
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Monitoring device having monitoring switches
    • Patent number 5,894,274
    • Issue date Apr 13, 1999
    • K. A. Schmersal GmbH & Co., KG
    • Udo Kienapfel
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Safety switch
    • Patent number 5,821,484
    • Issue date Oct 13, 1998
    • K. A. Schmersal GmbH & Co.
    • Klaus Schulze
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Monitoring system and technique
    • Patent number 5,757,672
    • Issue date May 26, 1998
    • K. A. Schmersal GmbH & Co.
    • Hermann Friedrich Hoepken
    • G08 - SIGNALLING
  • Information Patent Grant

    Device for detecting position
    • Patent number 5,736,695
    • Issue date Apr 7, 1998
    • K. A. Schmersal GmbH & Co.
    • Hermann Hoepken
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Key operable safety switch
    • Patent number 5,606,881
    • Issue date Mar 4, 1997
    • K. A. Schmersal GmbH & Co.
    • David Drake
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Radius actuator for a safety switch
    • Patent number 5,595,286
    • Issue date Jan 21, 1997
    • K. A. Schmersal GmbH & Co.
    • Klaus Schulze
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Key operable safety switch
    • Patent number 5,420,385
    • Issue date May 30, 1995
    • K.A. Schmersal GmbH
    • Alan R. Cooper
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electric switch
    • Patent number 4,658,102
    • Issue date Apr 14, 1987
    • K. A. Schmersal GmbH & Co.
    • Burkhart Seim
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electrical switch
    • Patent number 4,524,251
    • Issue date Jun 18, 1985
    • K. A. Schmersal GmbH & Co.
    • Siegfried Schulz
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Safety switch assemblies
    • Patent number 4,395,608
    • Issue date Jul 26, 1983
    • K. A. Schmersal GmbH & Co.
    • Karl-Georg Eicker
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    Apparatus for detecting position
    • Publication number 20020044499
    • Publication date Apr 18, 2002
    • K.A. Schmersal GmbH & Co.
    • Hermann Hoepken
    • G01 - MEASURING TESTING

Trademarklast 30 trademarks

  • Information Trademark

    73554868 - POSI SWITCH S
    • Serial number 73554868
    • Registration number 1400982
    • Filing date Aug 22, 1985
    • K. A. SCHMERSAL GMBH & CO.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments