TREA

Arthur Walter

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  • Waldkirch, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Light barrier apparatus
    • Patent number 4,568,827
    • Issue date Feb 4, 1986
    • Erwin Sick GmbH Optik-Elektronik
    • Arthur Walter
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Photoelectronic apparatus
    • Patent number 4,388,528
    • Issue date Jun 14, 1983
    • Erwin Sick Gesellschaft-Optik-Elektronik
    • Arthur Walter
    • G08 - SIGNALLING
  • Information Patent Grant

    Light barrier apparatus
    • Patent number 4,354,106
    • Issue date Oct 12, 1982
    • Erwin Sick GmbH Optik-Elektronik
    • Arthur Walter
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Light barrier receiver
    • Patent number 4,250,498
    • Issue date Feb 10, 1981
    • Erwin Sick GmbH, Optik-Elektronik
    • Arthur Walter
    • G08 - SIGNALLING
  • Information Patent Grant

    Optical apparatus for correcting the spherical aberration of a sphe...
    • Patent number 4,196,961
    • Issue date Apr 8, 1980
    • Erwin Sick Gesellschaft mit beschrankter Haftung Optik-Elektronik
    • Arthur Walter
    • G02 - OPTICS
  • Information Patent Grant

    Light barrier arrangement
    • Patent number 4,156,883
    • Issue date May 29, 1979
    • Erwin Sick Gesellschaft mit beschrankter Haftung Optik-Elektronik
    • Arthur Walter
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Electrooptical scanning device
    • Patent number 4,131,804
    • Issue date Dec 26, 1978
    • Erwin Sick Gesellschaft m.b.H. Optik-Elektronik
    • Erwin Sick
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Rotary beam light curtain
    • Patent number 4,107,522
    • Issue date Aug 15, 1978
    • Erwin Sick Gesellschaft mit beschrankter Haftung Optik-Elektronik
    • Arthur Walter
    • G02 - OPTICS