TREA

Carl E. Edlund

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  • Castroville, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electronic square root error indicator
    • Patent number 4,654,813
    • Issue date Mar 31, 1987
    • Southern Gas Association
    • Carl E. Edlund
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Gas pumping system analog
    • Patent number 4,559,610
    • Issue date Dec 17, 1985
    • Southwest Research Corporation
    • Cecil R. Sparks
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Reciprocating compressor analog
    • Patent number 4,424,571
    • Issue date Jan 3, 1984
    • Southern Gas Association
    • Carl E. Edlund
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Mechanical valve analog
    • Patent number 4,417,164
    • Issue date Nov 22, 1983
    • Southern Gas Association
    • Carl E. Edlund
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Piping network analog apparatus
    • Patent number 4,404,646
    • Issue date Sep 13, 1983
    • Southern Gas Association
    • Carl E. Edlund
    • G06 - COMPUTING CALCULATING COUNTING