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H. Alfred Eberhardt

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  • Paoli, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Positive pressure safety system
    • Patent number 5,215,499
    • Issue date Jun 1, 1993
    • Hale Fire Pump Company
    • H. Alfred Eberhardt
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Air supply system for firefighting apparatus
    • Patent number 5,145,014
    • Issue date Sep 8, 1992
    • Hale Fire Pump Company
    • H. Alfred Eberhardt
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Grant

    Portable cutter tool
    • Patent number 5,063,670
    • Issue date Nov 12, 1991
    • Hale Fire Pump Company
    • H. Alfred Eberhardt
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Portable hose reel
    • Patent number 4,979,693
    • Issue date Dec 25, 1990
    • Hale Fire Pump Company
    • H. Alfred Eberhardt
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Water driven fan for firefighting
    • Patent number 4,976,319
    • Issue date Dec 11, 1990
    • Hale Fire Pump Company
    • H. Alfred Eberhardt
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Water driven fan system for firefighting
    • Patent number 4,907,654
    • Issue date Mar 13, 1990
    • Hale Fire Pump Company
    • H. Alfred Eberhardt
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Housing for a portable pump
    • Patent number D303533
    • Issue date Sep 19, 1989
    • Hale Fire Pump Company
    • H. Alfred Eberhardt
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Flow indicator
    • Patent number 4,831,886
    • Issue date May 23, 1989
    • Hale Fire Pump Company
    • H. Alfred Eberhardt
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Pumping system selectably operable as a fire pump or a hydraulic pump
    • Patent number 4,786,239
    • Issue date Nov 22, 1988
    • Hale Fire Pump Company
    • H. Alfred Eberhardt
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Drive arrangements for comminutor-pump assembly
    • Patent number 4,762,281
    • Issue date Aug 9, 1988
    • Hale Fire Pump Company
    • H. Alfred Eberhardt
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Pumping system
    • Patent number 4,734,019
    • Issue date Mar 29, 1988
    • Hale Fire Pump Company
    • H. Alfred Eberhardt
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Comminutor-pump assembly
    • Patent number 4,720,050
    • Issue date Jan 19, 1988
    • Hale Fire Pump Company
    • H. Alfred Eberhardt
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Flow system for engine-pump assembly
    • Patent number 4,715,327
    • Issue date Dec 29, 1987
    • Hale Fire Pump Company
    • H. Alfred Eberhardt
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Fuel supply for a rotary piston engine
    • Patent number 4,712,516
    • Issue date Dec 15, 1987
    • Hale Fire Pump Company
    • H. Alfred Eberhardt
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Gasoline engine EMI suppression system
    • Patent number 4,691,667
    • Issue date Sep 8, 1987
    • Hale Fire Pump Company
    • H. Alfred Eberhardt
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Portable engine-pump assembly
    • Patent number 4,690,613
    • Issue date Sep 1, 1987
    • Hale Fire Pump Company
    • H. Alfred Eberhardt
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Portable engine-pump assembly
    • Patent number 4,676,065
    • Issue date Jun 30, 1987
    • Hale Fire Pump Company
    • H. Alfred Eberhardt
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Relief valve system
    • Patent number 4,653,978
    • Issue date Mar 31, 1987
    • Hale Fire Pump Company
    • H. Alfred Eberhardt
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Portable engine-pump assembly
    • Patent number 4,643,652
    • Issue date Feb 17, 1987
    • Hale Fire Pump Company
    • H. Alfred Eberhardt
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Fluid proportioning apparatus
    • Patent number 4,633,895
    • Issue date Jan 6, 1987
    • Hale Fire Pump Company
    • H. Alfred Eberhardt
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Fuel supply for a piston engine
    • Patent number 4,570,605
    • Issue date Feb 18, 1986
    • Hale Fire Pump Company
    • H. Alfred Eberhardt
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Floating portable pump
    • Patent number 4,553,902
    • Issue date Nov 19, 1985
    • Diesel Kiki Co., Ltd.
    • H. Alfred Eberhardt
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Starting system for a portable engine-pump unit
    • Patent number 4,503,812
    • Issue date Mar 12, 1985
    • Hale Fire Pump Company
    • H. Alfred Eberhardt
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Air supply distributor for fireplaces
    • Patent number 4,471,756
    • Issue date Sep 18, 1984
    • H. Alfred Eberhardt
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Foam liquid proportioner
    • Patent number 4,448,256
    • Issue date May 15, 1984
    • Hale Fire Pump Company
    • H. Alfred Eberhardt
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Heating system for fireplaces
    • Patent number 4,357,930
    • Issue date Nov 9, 1982
    • H. Alfred Eberhardt
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Heat exchanger for water pumping system
    • Patent number 4,351,391
    • Issue date Sep 28, 1982
    • Hale Fire Pump Company
    • H. Alfred Eberhardt
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Pump assembly
    • Patent number 4,337,830
    • Issue date Jul 6, 1982
    • Hale Fire Pump Company
    • H. Alfred Eberhardt
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Pump
    • Patent number 4,311,440
    • Issue date Jan 19, 1982
    • Hale Fire Pump Company
    • H. Alfred Eberhardt
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump
    • Patent number 4,245,952
    • Issue date Jan 20, 1981
    • Hale Fire Pump Company
    • H. Alfred Eberhardt
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...