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Class Information
Number: 137/219
Name: Fluid handling > Larner-johnson type valves; i.e., telescoping internal valve in expanded flow line section
Description: Flow control devices comprising a flow line having a contracted portion, a valve seat adjacent said contracted portion and an internal coaxial valve part comprising telescoping members, one of which is a movable needle or valve head which engages said seat.










Sub-classes under this class:

Class Number Class Name Patents
137/221 Internal servo-motor with internal pilot valve 10
137/220 Line condition change responsive 52


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8622075 Fluid flow control valve Jan. 7, 2014
8561632 Quick-acting valve having metering relief Oct. 22, 2013
8286937 Tubular valve device Oct. 16, 2012
8082942 Oil pipe connector Dec. 27, 2011
7896027 Poppet valve assembly with in-line sight glass Mar. 1, 2011
7775233 Choke or inline valve Aug. 17, 2010
7762274 Hydrant valve pilot with detachable actuator Jul. 27, 2010
7708024 Fixed cone sleeve valve having ribs downstream of the gate for supporting the cone and other components of the valve May. 4, 2010
7543600 Arrangement for mixing a first and second gas flow with downstream control Jun. 9, 2009
7493912 Fixed cone sleeve valve having cone supported by means downstream of the gate in its closed position Feb. 24, 2009
7493914 Newtonian thrust cowl array Feb. 24, 2009
7353837 Pressure reducer with adjustable flow restrictor Apr. 8, 2008
7232152 Method of bringing to readiness an inflatable airbag of safety device, safety device for a vehicle, valve device Jun. 19, 2007
7128059 Air induction system and evaporative emissions control device Oct. 31, 2006
7055542 Valve with integrated actuator Jun. 6, 2006
7036529 Arrangement for mixing a first and a second gas flow May. 2, 2006
6994311 Regulating vacuum valve Feb. 7, 2006
6892997 Method and valve for reducing valve opening and closing time durations May. 17, 2005
6782912 Throttle assembly for a flowing medium Aug. 31, 2004
6772783 Rotary to linear valve and method of use Aug. 10, 2004
6742539 Co-axial control valve Jun. 1, 2004
6684895 Fluid control valve apparatus and method Feb. 3, 2004
6681792 Reduced-length sleeve valve Jan. 27, 2004
6612328 In-line valve Sep. 2, 2003
6571780 Air induction system having inlet valve Jun. 3, 2003
6474318 Air induction system having inlet valve Nov. 5, 2002
6453932 In-line valve Sep. 24, 2002
6446657 Aircraft air control valve apparatus Sep. 10, 2002
6321774 Control valve for cryogenic use Nov. 27, 2001
6296009 Arm-driven sleeve valve with centralized drive mechanism Oct. 2, 2001
6279594 Flow actuated valve Aug. 28, 2001
6220272 In-line control valves Apr. 24, 2001
6216721 Axial control valve Apr. 17, 2001
6213144 In-line valve Apr. 10, 2001
6202671 Control valve for cryogenic liquid propellant Mar. 20, 2001
6029691 In-line control valves Feb. 29, 2000
5950660 Housing assembly for fixed cone sleeve valve Sep. 14, 1999
5934553 Thermostatic valve Aug. 10, 1999
5826613 Flow control valve Oct. 27, 1998
5803356 Thermostat bypass system Sep. 8, 1998
5775101 Refueling device with feedback-controlled auxiliary drive Jul. 7, 1998
5732884 Spray with a handle and a shut-off member which can be actuated by means of a hand lever Mar. 31, 1998
5715857 Multi-use valve Feb. 10, 1998
5622201 Bucket valve with removable handle Apr. 22, 1997
5509787 Hydraulic actuator for pressure switch of fluidic system Apr. 23, 1996
5490535 Valve for controlling a fluid medium flowing under pressure Feb. 13, 1996
5447203 Remotely actuated firefighting nozzle Sep. 5, 1995
5435337 Inline control valve for controlling fluid flow Jul. 25, 1995
5435336 Controlled valve Jul. 25, 1995
5127428 Poppet valve assembly and method of making same Jul. 7, 1992

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