Expansible chamber operated by valve actuator for draining riser

Patents Grantslast 30 patents

  • Information Patent Grant

    Structural improvement of piston set for use in hydrant

    • Patent number 10,633,837
    • Issue date Apr 28, 2020
    • Chuan Wei Metal Co., Ltd.
    • Chi-Chuan Chen
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Self-draining hydrant with piston assembly

    • Patent number 10,577,779
    • Issue date Mar 3, 2020
    • Herbert W. Hoeptner
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Freeze proof sanitary yard hydrant

    • Patent number 9,085,878
    • Issue date Jul 21, 2015
    • Merrill Manufacturing Company
    • Stephen J. Anderson
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Yard hydrant made easy

    • Patent number 8,413,675
    • Issue date Apr 9, 2013
    • Kevin Cantrell
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Method for commissioning actuators

    • Patent number 7,856,333
    • Issue date Dec 21, 2010
    • ABB AG
    • Wolfgang Scholz
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Sanitary yard hydrant

    • Patent number 7,234,479
    • Issue date Jun 26, 2007
    • Murdock, Inc.
    • Robert A. Murdock
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Fluid hydrant

    • Patent number 7,059,337
    • Issue date Jun 13, 2006
    • WCM Industries, Inc.
    • William Thomas Ball, Jr.
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Yard hydrant

    • Patent number 6,899,120
    • Issue date May 31, 2005
    • Baker Manufacturing Company
    • Charles B. Motley
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Method for liquid phase deposition

    • Patent number 6,653,245
    • Issue date Nov 25, 2003
    • Industrial Technology Research Institute
    • Muh-Wang Liang
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Positive displacement hydrant with water discharge path from reservoir

    • Patent number 6,427,716
    • Issue date Aug 6, 2002
    • Herbert W. Hoeptner
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Water supply system

    • Patent number 6,085,776
    • Issue date Jul 11, 2000
    • Herbert W. Hoeptner
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Positive displacement yard hydrant

    • Patent number 6,047,723
    • Issue date Apr 11, 2000
    • Herbert W. Hoeptner
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Freezeproof valve assembly for a drinking fountain

    • Patent number 6,003,780
    • Issue date Dec 21, 1999
    • Haws Company, A Nevada Corporation
    • Albert G. Gurries
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Well water flow diverter apparatus

    • Patent number 5,934,370
    • Issue date Aug 10, 1999
    • Herbert W. Hoeptner
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Sanitary yard hydrant

    • Patent number 5,701,925
    • Issue date Dec 30, 1997
    • WCM Industries, Inc.
    • Shaun T. Mulligan
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Frost-free water supply

    • Patent number 5,553,637
    • Issue date Sep 10, 1996
    • Herbert W. Hoeptner
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Yard hydrant

    • Patent number 5,261,441
    • Issue date Nov 16, 1993
    • Merrill Manufacturing Company, Inc.
    • Stephen J. Anderson
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Sanitary yard hydrant

    • Patent number 5,246,028
    • Issue date Sep 21, 1993
    • WCM Industries, Inc.
    • Robert J. Vandepas
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Freeze valve apparatus

    • Patent number 5,033,500
    • Issue date Jul 23, 1991
    • Herbert W. Hoeptner
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Freeze valve apparatus

    • Patent number 4,854,339
    • Issue date Aug 8, 1989
    • Herbert W. Hoeptner
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Freezeless ground hydrant and method for operating same

    • Patent number 4,653,521
    • Issue date Mar 31, 1987
    • Woodford Manufacturing Company
    • Russell L. Fillman
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Ground hydrant and method for operating same

    • Patent number 4,653,522
    • Issue date Mar 31, 1987
    • Woodford Manufacturing Company
    • Russell L. Fillman
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Freezeproof valve assembly

    • Patent number 4,520,836
    • Issue date Jun 4, 1985
    • Physical Systems, Inc.
    • Charles G. Hutter
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Freeze-proof, pollution free valve

    • Patent number 4,282,895
    • Issue date Aug 11, 1981
    • Valve Engineering Service Corp.
    • Richard E. Young
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Ejector purge hydrant

    • Patent number 4,112,966
    • Issue date Sep 12, 1978
    • Mark Controls Corporation
    • Donald E. Carlson
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Sanitary yard hydrant

    • Patent number 4,109,671
    • Issue date Aug 29, 1978
    • Industrial Value Analysis Inc.
    • James L. Hughes
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Freezeproof sanitary water supply appliance

    • Patent number 4,096,877
    • Issue date Jun 27, 1978
    • E. R. Arledge
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    3926206

    • Patent number 3,926,206
    • Issue date Dec 16, 1975
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    3926207

    • Patent number 3,926,207
    • Issue date Dec 16, 1975
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    3885585

    • Patent number 3,885,585
    • Issue date May 27, 1975
    • E03 - WATER SUPPLY SEWERAGE

Patents Applicationslast 30 patents

  • Information Patent Application

    FIRE HYDRANT SECURITY INTEGRATED FLOW CONTROL/BACKFLOW PREVENTER IN...

    • Publication number 20130042924
    • Publication date Feb 21, 2013
    • Albert Montague
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Application

    YARD HYDRANT MADE EASY

    • Publication number 20110186145
    • Publication date Aug 4, 2011
    • KEVIN CANTRELL
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Application

    METHOD FOR COMMISSIONING ACTUATORS

    • Publication number 20090150107
    • Publication date Jun 11, 2009
    • ABB AG
    • Wolfgang Scholz
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    FLUID HYDRANT

    • Publication number 20060027265
    • Publication date Feb 9, 2006
    • William Thomas Ball
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Sanitary yard hydrant

    • Publication number 20050173001
    • Publication date Aug 11, 2005
    • Murdock, Inc.
    • Robert A. Murdock
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Method and apparatus for liquid phase deposition

    • Publication number 20030219978
    • Publication date Nov 27, 2003
    • Industrial Technology Research Institute
    • Muh-Wang Liang
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Method and apparatus for liquid phase deposition

    • Publication number 20020173170
    • Publication date Nov 21, 2002
    • INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    • Muh-Wang Liang
    • H01 - BASIC ELECTRIC ELEMENTS