TREA

The Nash Engineering Company

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  • Norwalk, CT, US
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Cooling gas in a rotary screw type pump
    • Patent number 6,394,777
    • Issue date May 28, 2002
    • The Nash Engineering Company
    • Harold K. Haavik
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Modular liquid ring vacuum pumps and compressors
    • Patent number 6,354,808
    • Issue date Mar 12, 2002
    • The Nash Engineering Company
    • Ramesh B. Shenoi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    System for monitoring dryer drum temperatures
    • Patent number 6,104,987
    • Issue date Aug 15, 2000
    • The Nash Engineering Company
    • David C. Farnsworth
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Mixed flow liquid ring pumps
    • Patent number 5,961,295
    • Issue date Oct 5, 1999
    • The Nash Engineering Company
    • Harold K. Haavik
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Two-stage liquid ring pumps having separate gas and liquid inlets t...
    • Patent number 5,899,668
    • Issue date May 4, 1999
    • The Nash Engineering Company
    • Ramesh B. Shenoi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump
    • Patent number D405096
    • Issue date Feb 2, 1999
    • The Nash Engineering Company
    • Carl G. Dudeck
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Fluid bearing pad arrangement for liquid ring pump systems
    • Patent number 5,653,582
    • Issue date Aug 5, 1997
    • The Nash Engineering Company
    • Andrew C. Harvey
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Liquid ring pumps
    • Patent number 5,507,625
    • Issue date Apr 16, 1996
    • The Nash Engineering Company
    • Carl G. Dudeck
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Heat recovery in a liquid ring pump seal liquid chiller system
    • Patent number 5,469,705
    • Issue date Nov 28, 1995
    • The Nash Engineering Company
    • John K. Glenn
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Separator for separating gas from a liquid
    • Patent number 5,427,685
    • Issue date Jun 27, 1995
    • The Nash Engineering Company
    • Robert J. Thorley
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Supports for rotatable housing of liquid ring pumps
    • Patent number 5,395,215
    • Issue date Mar 7, 1995
    • The Nash Engineering Company
    • Thomas R. Dardis
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Liquid ring pumps with pressurized gas supported rotating liners
    • Patent number 5,370,502
    • Issue date Dec 6, 1994
    • The Nash Engineering Company
    • Harold K. Haavik
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Check valve structures for liquid ring pumps
    • Patent number 5,356,268
    • Issue date Oct 18, 1994
    • The Nash Engineering Company
    • Louis J. Lengyel
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Liquid ring pumps with rotating liners
    • Patent number 5,295,794
    • Issue date Mar 22, 1994
    • The Nash Engineering Company
    • Harold K. Haavik
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Two-stage liquid ring pump with rotating liner in first stage suppo...
    • Patent number 5,217,352
    • Issue date Jun 8, 1993
    • The Nash Engineering Company
    • Harold K. Haavik
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Liquid ring pumps with improved housing shapes
    • Patent number 5,213,479
    • Issue date May 25, 1993
    • The Nash Engineering Company
    • Thomas R. Dardis
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Bearing fluid distribution systems for liquid ring pumps with rotat...
    • Patent number 5,197,863
    • Issue date Mar 30, 1993
    • The Nash Engineering Company
    • Thomas R. Dardis
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Suction box covers for cleaning papermaking machine felts
    • Patent number 5,147,508
    • Issue date Sep 15, 1992
    • The Nash Engineering Company
    • Douglas F. Sweet
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Two-stage pumping system
    • Patent number 5,131,817
    • Issue date Jul 21, 1992
    • The Nash Engineering Company
    • Michael J. Pastore
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Liquid ring pump
    • Patent number D327273
    • Issue date Jun 23, 1992
    • The Nash Engineering Company
    • Richard G. Cadotte
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Liquid ring pump
    • Patent number D327272
    • Issue date Jun 23, 1992
    • The Nash Engineering Company
    • Richard G. Cadotte
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Liquid ring pump
    • Patent number D327271
    • Issue date Jun 23, 1992
    • The Nash Engineering Company
    • Richard G. Cadotte
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Liquid ring pumps having rotating lobe liners with end walls
    • Patent number 5,100,300
    • Issue date Mar 31, 1992
    • The Nash Engineering Company
    • Harold K. Haavik
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Liquid ring pump having port member with internal passageways for h...
    • Patent number 4,850,808
    • Issue date Jul 25, 1989
    • The Nash Engineering Company
    • Walter J. Schultze
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Two-stage liquid ring pump
    • Patent number 4,795,315
    • Issue date Jan 3, 1989
    • The Nash Engineering Company
    • Walter J. Schultze
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Liquid ring pump
    • Patent number D294266
    • Issue date Feb 16, 1988
    • The Nash Engineering Company
    • Carl G. Dudeck
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Self-priming liquid ring pump methods and apparatus
    • Patent number 4,679,987
    • Issue date Jul 14, 1987
    • The Nash Engineering Company
    • Ole B. Olsen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Liquid ring compressors
    • Patent number 4,613,283
    • Issue date Sep 23, 1986
    • The Nash Engineering Company
    • Harold K. Haavik
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Two-stage pump
    • Patent number D285447
    • Issue date Sep 2, 1986
    • The Nash Engineering Company
    • Carl G. Dudeck
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Pump
    • Patent number D283224
    • Issue date Apr 1, 1986
    • The Nash Engineering Company
    • Richard A. Lametto
    • D15 - Machines not elsewhere specified

Trademarklast 30 trademarks

  • Information Trademark

    76111491 - ENGINEERINGWORX
    • Serial number 76111491
    • Filing date Aug 17, 2000
    • The Nash Engineering Company
    • 7 - Machines and machine tools
  • Information Trademark

    73491978 - 904
    • Serial number 73491978
    • Registration number 1332907
    • Filing date Jul 27, 1984
    • Nash Engineering Company; The
    • 7 - Machines and machine tools
  • Information Trademark

    71229579 - N
    • Serial number 71229579
    • Registration number 219353
    • Filing date Apr 2, 1926
    • NASH ENGINEERING COMPANY
    • 7 - Machines and machine tools
  • Information Trademark

    71229581 - HYTOR
    • Serial number 71229581
    • Registration number 219354
    • Filing date Apr 2, 1926
    • NASH ENGINEERING COMPANY
    • 7 - Machines and machine tools