Cooling ponds

Patents Grantslast 30 patents

  • Information Patent Grant

    Aeration apparatus and method

    • Patent number 4,981,622
    • Issue date Jan 1, 1991
    • Nigrelli Systems, Inc.
    • Nicholas B. Nigrelli
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Fluid evaporation device for mud pits

    • Patent number 4,762,276
    • Issue date Aug 9, 1988
    • H. Clyde Foust
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Process cooling method and apparatus utilizing aerosol sprays

    • Patent number 4,489,565
    • Issue date Dec 25, 1984
    • Nova, Inc.
    • Theodore B. Taylor
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Inclined tubular aeration apparatus

    • Patent number 4,474,713
    • Issue date Oct 2, 1984
    • Hydraulic & Heavy Equipment, Inc.
    • Dean Wickoren
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Method for providing auxiliary cooling and aerating of liquids to s...

    • Patent number 4,301,097
    • Issue date Nov 17, 1981
    • Harold D. Curtis
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Portable auxiliary cooling tower

    • Patent number 4,267,130
    • Issue date May 12, 1981
    • Harold D. Curtis
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Water aerator and method

    • Patent number 4,255,360
    • Issue date Mar 10, 1981
    • Kerry P. Jeffries
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Cooling apparatus

    • Patent number 4,226,815
    • Issue date Oct 7, 1980
    • Haggie I. Cockman
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Water purification system

    • Patent number 4,172,767
    • Issue date Oct 30, 1979
    • Walter E. Sear
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Spray cooling system

    • Patent number 4,085,171
    • Issue date Apr 18, 1978
    • Bird Machine Company, Inc.
    • Donald B. Baker
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Water cooling arrangement

    • Patent number 3,983,192
    • Issue date Sep 28, 1976
    • Ingersoll-Rand Company
    • Robert J. Stoker
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Unit and method for spray cooling fluid

    • Patent number 3,935,156
    • Issue date Jan 27, 1976
    • The Tec Group, Inc.
    • Harvey E. Richter
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3869087

    • Patent number 3,869,087
    • Issue date Mar 4, 1975
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3719353

    • Patent number 3,719,353
    • Issue date Mar 6, 1973
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3622074

    • Patent number 3,622,074
    • Issue date Nov 23, 1971
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3235877

    • Patent number 3,235,877
    • Issue date Feb 15, 1966
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3135466

    • Patent number 3,135,466
    • Issue date Jun 2, 1964
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    3101173

    • Patent number 3,101,173
    • Issue date Aug 20, 1963
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    2591100

    • Patent number 2,591,100
    • Issue date Apr 1, 1952
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1896202

    • Patent number 1,896,202
    • Issue date Feb 7, 1933
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1868632

    • Patent number 1,868,632
    • Issue date Jul 26, 1932
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    1658533

    • Patent number 1,658,533
    • Issue date Feb 7, 1928
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1462363

    • Patent number 1,462,363
    • Issue date Jul 17, 1923
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    1383404

    • Patent number 1,383,404
    • Issue date Jul 5, 1921
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    1289303

    • Patent number 1,289,303
    • Issue date Dec 31, 1918
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    1233119

    • Patent number 1,233,119
    • Issue date Jul 10, 1917
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    1186226

    • Patent number 1,186,226
    • Issue date Jun 6, 1916
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    27853

    • Patent number 27,853
    • Issue date Apr 10, 1860
    • F22 - STEAM GENERATION

Patents Applicationslast 30 patents