Stephen N. McEwen

Person

  • Bowling Green, OH, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Low profile pump

    • Patent number 6,629,814
    • Issue date Oct 7, 2003
    • Henry Filters, Inc.
    • Stephen N. McEwen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump with improved seal for filtration systems

    • Patent number 6,050,788
    • Issue date Apr 18, 2000
    • Henry Filters, Inc.
    • Stephen N. McEwen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Floor mounted filtration system

    • Patent number 6,017,446
    • Issue date Jan 25, 2000
    • Henry Filters, Inc.
    • Eugene H. Harms
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Shaft mounted gear box

    • Patent number 5,985,145
    • Issue date Nov 16, 1999
    • Henry Filters, Inc.
    • Stephen N. McEwen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Filter apparatus with dual drive loops

    • Patent number 5,961,847
    • Issue date Oct 5, 1999
    • Henry Filters, Inc.
    • John L. Creps
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Compact drive system utilizing gear box with worm and cycloidal gears

    • Patent number 5,961,828
    • Issue date Oct 5, 1999
    • Henry Filters, Inc.
    • Stephen N. McEwen
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Disc filter assembly for machine tool coolant

    • Patent number 5,820,756
    • Issue date Oct 13, 1998
    • Stephen N. McEwen
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Trough system for machine tool coolant collection flumes

    • Patent number 5,662,812
    • Issue date Sep 2, 1997
    • Henry Filters, Inc.
    • Stephen N. McEwen
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Couplings for joining shafts

    • Patent number 5,655,849
    • Issue date Aug 12, 1997
    • Henry Filters Corp.
    • Stephen N. McEwen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Immersible filter drum unit and method for assembling thereof

    • Patent number 5,637,213
    • Issue date Jun 10, 1997
    • Henry Filters, Inc.
    • Stephen N. McEwen
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Pump for filtration systems

    • Patent number 5,503,520
    • Issue date Apr 2, 1996
    • Henry Filters, Inc.
    • Stephen N. McEwen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Filter apparatus for machine tool coolant

    • Patent number 5,389,256
    • Issue date Feb 14, 1995
    • Henry Filters, Inc.
    • Stephen N. McEwen
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Trough system for machine tool coolant collection flumes

    • Patent number 5,300,220
    • Issue date Apr 5, 1994
    • Henry Filters, Inc.
    • Stephen N. McEwen
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Filter apparatus and method for filtering contaminants from machine...

    • Patent number 5,158,691
    • Issue date Oct 27, 1992
    • Henry Filters, Inc.
    • Stephen N. McEwen
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Pump for filtration systems

    • Patent number 5,154,584
    • Issue date Oct 13, 1992
    • Henry Filters, Inc.
    • Stephen N. McEwen
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Pump mounting apparatus for filtration system

    • Patent number 5,135,364
    • Issue date Aug 4, 1992
    • Henry Filters, Inc.
    • Stephen N. McEwen
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Pump for filtration system

    • Patent number 5,030,346
    • Issue date Jul 9, 1991
    • Henry Filters, Inc.
    • Stephen N. McEwen
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Horizontal removable pump for filtration systems

    • Patent number 4,975,184
    • Issue date Dec 4, 1990
    • Henry Filters, Inc.
    • Stephen N. McEwen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump mounting for a filtration system

    • Patent number 4,900,438
    • Issue date Feb 13, 1990
    • Henry Filters, Inc.
    • Stephen N. McEwen
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Compact universal drum filter settler

    • Patent number RE32135
    • Issue date May 6, 1986
    • Henry Filters, Inc.
    • John L. Creps
    • 210 - Liquid purification or separation
  • Information Patent Grant

    Check valve and pump receptor assembly

    • Patent number 4,507,061
    • Issue date Mar 26, 1985
    • Henry Filters, Inc.
    • Stephen N. McEwen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Trough, manufacturing process, and apparatus

    • Patent number 4,467,633
    • Issue date Aug 28, 1984
    • Henry Filters, Inc.
    • Stephen N. McEwen
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Tubular filter structure

    • Patent number 4,428,838
    • Issue date Jan 31, 1984
    • Henry Filters, Inc.
    • John L. Creps
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Trough manufacturing process

    • Patent number 4,420,868
    • Issue date Dec 20, 1983
    • Henry Filters, Inc.
    • Stephen N. McEwen
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Compact universal drum filter settler

    • Patent number 4,421,645
    • Issue date Dec 20, 1983
    • Henry Filters, Inc.
    • John L. Creps
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Hold-down mechanism for scraper conveyor and settling tank

    • Patent number 4,055,497
    • Issue date Oct 25, 1977
    • Henry Manufacturing Co., Inc.
    • John L. Creps
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Briquetting machine

    • Patent number 3,980,014
    • Issue date Sep 14, 1976
    • Henry Manufacturing Company
    • Stephen N. McEwen
    • B30 - PRESSES
  • Information Patent Grant

    Tubular filter in settler

    • Patent number 3,935,105
    • Issue date Jan 27, 1976
    • Henry Manufacturing Co., Inc.
    • Stephen N. McEwen
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    Low profile pump

    • Publication number 20030194314
    • Publication date Oct 16, 2003
    • Stephen N. McEwen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Low profile pump

    • Publication number 20030091425
    • Publication date May 15, 2003
    • Steven McEwen
    • Stephen N. McEwen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Differential pressure filtering system having a cylindrical drum wi...

    • Publication number 20020050472
    • Publication date May 2, 2002
    • Henry Filters, Inc.
    • Steve McEwen
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL