Adjacent plate valves always parallel

Patents Grantslast 30 patents

  • Information Patent Grant

    Multi-vane throttle valve

    • Patent number 9,157,533
    • Issue date Oct 13, 2015
    • Ferrotec (USA) Corporation
    • Pheng Sin
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Multi-vane throttle valve

    • Patent number 8,833,383
    • Issue date Sep 16, 2014
    • Ferrotec (USA) Corporation
    • Pheng Sin
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pressure balanced swing valve for engine system

    • Patent number 7,712,312
    • Issue date May 11, 2010
    • Ford Global Technologies, LLC
    • Patrick Sexton
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Breath controlled air inlet for blower

    • Patent number 7,458,390
    • Issue date Dec 2, 2008
    • TVI Corporation
    • Otto Gossweiler
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Grant

    Valve device and multiport regulating assembly comprising a plurali...

    • Patent number 7,392,826
    • Issue date Jul 1, 2008
    • Mark IV Systems Moteurs Societe Anonyme
    • Arnaud Schub
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Fluid control valve

    • Patent number 7,198,062
    • Issue date Apr 3, 2007
    • The Boeing Company
    • Herbert L. Hoffman
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Fluid flow control damper assembly

    • Patent number 6,817,378
    • Issue date Nov 16, 2004
    • ABCO Consulting, Inc.
    • Alex Zelczer
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Electric power modulated lead screw actuated dampers and methods of...

    • Patent number 6,557,583
    • Issue date May 6, 2003
    • Francis J. McCabe
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Grant

    Flow control device for a gas stream

    • Patent number 6,499,310
    • Issue date Dec 31, 2002
    • Behr GmbH & Co.
    • Eric Reinisch
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Bearing-supported damper assembly

    • Patent number 6,418,964
    • Issue date Jul 16, 2002
    • James F. Kearney
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Throttle gate valve

    • Patent number 6,293,306
    • Issue date Sep 25, 2001
    • Arthur Brenes
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Damper blade system

    • Patent number 6,099,405
    • Issue date Aug 8, 2000
    • NRG Industries, Inc.
    • Robert Ashley Cunningham
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Damper blade system

    • Patent number 5,938,524
    • Issue date Aug 17, 1999
    • NRG Industries, Inc.
    • Robert Ashley Cunningham
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Damper blade system

    • Patent number 5,836,814
    • Issue date Nov 17, 1998
    • NRG Industries, Inc.
    • Robert Ashley Cunningham
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Shutter for air or smoke conduits

    • Patent number 5,580,307
    • Issue date Dec 3, 1996
    • Arosio F. LLI s.n.c.
    • Giovanni B. Arosio
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Fire closure shutter

    • Patent number 5,425,673
    • Issue date Jun 20, 1995
    • Kvaerner Masa-Yards Oy
    • Timo Mahlanen
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Integral pivot damper blade

    • Patent number 5,238,453
    • Issue date Aug 24, 1993
    • Greenheck Fan Corporation
    • Eugene J. Heil
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Pivoting shutter device for regulating an air flow passing through...

    • Patent number 5,141,026
    • Issue date Aug 25, 1992
    • Thierry Collette
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Active reed valve

    • Patent number 5,103,867
    • Issue date Apr 14, 1992
    • General Motors Corporation
    • Ko-Jen Wu
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Closing arrangement for ducts having large cross-sectional areas, p...

    • Patent number 5,007,456
    • Issue date Apr 16, 1991
    • Stober & Morlock Warmekraft Gesellschaft mbH
    • Volker von Erichsen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Modified parallel blade damper for an air handling system

    • Patent number 4,887,641
    • Issue date Dec 19, 1989
    • Mestek, Inc.
    • Raymond L. Alley
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Dampers with leaf spring seals

    • Patent number 4,823,836
    • Issue date Apr 25, 1989
    • Lothar Bachmann
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Damper blade construction

    • Patent number 4,610,197
    • Issue date Sep 9, 1986
    • Philips Industrial Components, Inc.
    • Robert M. Van Becelaere
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Air damper assembly with movable blades

    • Patent number 4,518,012
    • Issue date May 21, 1985
    • Robert J. O'Hara
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Variable speed damper means

    • Patent number 4,506,829
    • Issue date Mar 26, 1985
    • Willie T. Grant
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Solenoid operated damper blades

    • Patent number 4,506,825
    • Issue date Mar 26, 1985
    • Willie T. Grant
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Double louver damper

    • Patent number 4,493,342
    • Issue date Jan 15, 1985
    • Bachmann Industries, Inc.
    • Lothar Bachmann
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Damper blade actuating mechanism

    • Patent number 4,487,214
    • Issue date Dec 11, 1984
    • James R. Tatum
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Link bar operator for rotating blade dampers

    • Patent number 4,442,862
    • Issue date Apr 17, 1984
    • Francis J. McCabe
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Economy, angle-blade damper kit

    • Patent number 4,404,990
    • Issue date Sep 20, 1983
    • Prefco Products, Inc.
    • Francis J. McCabe
    • F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

  • Information Patent Application

    Multi-vane throttle valve

    • Publication number 20140345698
    • Publication date Nov 27, 2014
    • Pheng Sin
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Application

    Multi-vane throttle valve

    • Publication number 20130019951
    • Publication date Jan 24, 2013
    • FERROTEC (USA) CORPORATION
    • Pheng Sin
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Application

    Pressure Balanced Swing Valve for Engine System

    • Publication number 20090100834
    • Publication date Apr 23, 2009
    • FORD GLOBAL TECHNOLOGIES, L.L.C.
    • Patrick Sexton
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    DUAL DAMPER CONTROL APPARATUS AND METHOD

    • Publication number 20080314260
    • Publication date Dec 25, 2008
    • Paul Hardenburger
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Application

    Airflow Regulator

    • Publication number 20080254733
    • Publication date Oct 16, 2008
    • Verne Mutton
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    Breath controlled air inlet for blower

    • Publication number 20070137712
    • Publication date Jun 21, 2007
    • Otto Gossweiler
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Application

    Damper accessory mounting system

    • Publication number 20060260698
    • Publication date Nov 23, 2006
    • William J. Bailey
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    Valve device and multiport regulating assembly comprising a plurali...

    • Publication number 20050016602
    • Publication date Jan 27, 2005
    • Arnaud Schub
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Fluid control valve

    • Publication number 20040238046
    • Publication date Dec 2, 2004
    • Herbert L. Hoffman
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Fluid flow control damper assembly

    • Publication number 20020179159
    • Publication date Dec 5, 2002
    • Alex Zelczer
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Flow control device for a gas stream

    • Publication number 20020007642
    • Publication date Jan 24, 2002
    • Eric Reinisch
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Electric power modulated lead screw actuated dampers and methods of...

    • Publication number 20010055947
    • Publication date Dec 27, 2001
    • Francis J. McCabe
    • A62 - LIFE-SAVING FIRE-FIGHTING