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Erik B. Haffner

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  • Ramsey, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Oil control system for a refrigeration system
    • Patent number 7,231,783
    • Issue date Jun 19, 2007
    • Zero Zone, Inc.
    • Steve L. Esslinger
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Patents Applicationslast 30 patents

  • Information Patent Application

    Oil control system for a refrigeration system
    • Publication number 20060042307
    • Publication date Mar 2, 2006
    • Zero Zone, Inc.
    • Steve L. Esslinger
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...