TREA

Yanping Zhang

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  • Wescosville, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Efficient process to produce oxygen
    • Patent number 5,966,967
    • Issue date Oct 19, 1999
    • Air Products and Chemicals, Inc.
    • Rakesh Agrawal
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Multiple expander process to produce oxygen
    • Patent number 5,956,974
    • Issue date Sep 28, 1999
    • Air Products and Chemicals, Inc.
    • Rakesh Agrawal
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Single expander and a cold compressor process to produce oxygen
    • Patent number 5,901,576
    • Issue date May 11, 1999
    • Air Products and Chemicals, Inc.
    • Rakesh Agrawal
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...