TREA

NATURAL ENERGY SYSTEMS INC.

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  • Mississauga, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Process for the conversion of organic material to methane rich fuel...
    • Patent number 8,343,241
    • Issue date Jan 1, 2013
    • Natural Energy Systems Inc.
    • Douglas John Hallett
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Hydrocarbon refrigeration system and method
    • Patent number 5,056,323
    • Issue date Oct 15, 1991
    • Natural Energy Systems
    • Warren Rice
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Hydraulic refrigeration system and method
    • Patent number 4,424,681
    • Issue date Jan 10, 1984
    • Natural Energy Systems
    • Warren Rice
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Gas compression system
    • Patent number 4,311,025
    • Issue date Jan 19, 1982
    • Natural Energy Systems
    • Warren Rice
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Hydraulic refrigeration system and method
    • Patent number 4,251,998
    • Issue date Feb 24, 1981
    • Natural Energy Systems
    • Warren Rice
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Hydraulic refrigeration system and method
    • Patent number 4,157,015
    • Issue date Jun 5, 1979
    • Natural Energy Systems
    • Craig Hosterman
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

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