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Jack C. Dempsey

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  • Brown City, MI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Shell and coil heat exchanger
    • Patent number 5,379,832
    • Issue date Jan 10, 1995
    • Aqua Systems, Inc.
    • Jack C. Dempsey
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Shell and coil heat exchanger
    • Patent number 5,228,505
    • Issue date Jul 20, 1993
    • Aqua Systems Inc.
    • Jack C. Dempsey
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of forming a shell and coil heat exchanger
    • Patent number 5,088,192
    • Issue date Feb 18, 1992
    • Aqua Systems, Inc.
    • Jack C. Dempsey
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Shell and coil heat exchanger
    • Patent number 4,865,124
    • Issue date Sep 12, 1989
    • Jack C. Dempsey
    • F28 - HEAT EXCHANGE IN GENERAL