TREA

Andrew John Graybill

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  • Hellam, PA, US
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    REFRIGERANT CONTROL SYSTEM AND METHOD
    • Publication number 20160305697
    • Publication date Oct 20, 2016
    • Johnson Controls Technology Company
    • William L. Kopko
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Application

    METHOD FOR CONTROLLING AN ECONOMIZER CIRCUIT
    • Publication number 20150330692
    • Publication date Nov 19, 2015
    • Johnson Controls Technology Company
    • William L. KOPKO
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    SYSTEM AND METHOD FOR REDUCING NOISE WITHIN A REFRIGERATION SYSTEM
    • Publication number 20140318162
    • Publication date Oct 30, 2014
    • Johnson Controls Technology Company
    • William L. Kopko
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    SYSTEM AND METHOD FOR CONTROLLING AN ECONOMIZER CIRCUIT
    • Publication number 20140013782
    • Publication date Jan 16, 2014
    • Johnson Controls Technology Company
    • William L. Kopko
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    REFRIGERANT CONTROL SYSTEM AND METHOD
    • Publication number 20110023515
    • Publication date Feb 3, 2011
    • Johnson Controls Technology Company
    • William L. Kopko
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Chiller sound reduction control system and method
    • Publication number 20050223725
    • Publication date Oct 13, 2005
    • York International Corporation
    • Curtis Christian Crane
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...