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Class Information
Number: 251/121
Name: Valves and valve actuation > With material guide or restrictor > Movable or resilient guide or restrictor > Adjustable guide or restrictor
Description: Subject matter wherein the movable guide or restrictor is adjustable, i.e., may be put into a different position or relation with respect to its mounting and/or actuator for the purpose of securing a different character or rate of flow when flow subsequently occurs.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7438275 |
Ball valve for use in heating or cooling systems |
Oct. 21, 2008 |
| 7364131 |
Non-return valve for use in a molding system |
Apr. 29, 2008 |
| 7322559 |
Plug valve having high flow resolution |
Jan. 29, 2008 |
| 7296780 |
Control valve assembly structure for spray guns |
Nov. 20, 2007 |
| 7234680 |
Combination valve and regulator with vented seat for use with pressurized gas cylinders, particularly oxygen cylinders |
Jun. 26, 2007 |
| 7213609 |
Control system for high pressure oil wells |
May. 8, 2007 |
| 7201186 |
Electronic valve for flow regulation on a cooking burner |
Apr. 10, 2007 |
| 7201188 |
Fluted reciprocating ball valve |
Apr. 10, 2007 |
| 7159602 |
Flow-measuring valve device and method |
Jan. 9, 2007 |
| 7152844 |
Conical valve for cryogenic media |
Dec. 26, 2006 |
| 7147203 |
Fluid control |
Dec. 12, 2006 |
| 7114699 |
Combination valve and regulation for use with pressurized gas cylinders, particularly oxygen cylinders |
Oct. 3, 2006 |
| 7036789 |
Distribution valve comprising a flowmeter for installing in an inlet |
May. 2, 2006 |
| 6935616 |
Balanced plug valve |
Aug. 30, 2005 |
| 6889702 |
Replaceable valve seat ring with enhanced flow design |
May. 10, 2005 |
| 6834672 |
Air pressure and flow regulating valve and pneumatic tool |
Dec. 28, 2004 |
| 6832619 |
Method to reduce flow forces in hydraulic valves |
Dec. 21, 2004 |
| 6827330 |
Pressure regulating valve for a refrigerating plant |
Dec. 7, 2004 |
| 6808162 |
Rotary 2-way servovalve |
Oct. 26, 2004 |
| 6776191 |
Spool valve device |
Aug. 17, 2004 |
| 6769666 |
Variable port valve plug |
Aug. 3, 2004 |
| 6730232 |
Process and device for separating impurities from a suspension by flotation |
May. 4, 2004 |
| 6655653 |
Method and mechanism to reduce flow forces in hydraulic valves |
Dec. 2, 2003 |
| 6623338 |
Method of abrading silicon substrate |
Sep. 23, 2003 |
| 6623335 |
Method of forming ink fill slot of ink-jet printhead |
Sep. 23, 2003 |
| 6609697 |
Vacuum control valve |
Aug. 26, 2003 |
| 6607007 |
Cylinder valve and bayonet check-filter with excess-flow protection feature |
Aug. 19, 2003 |
| 6604548 |
Safety valve |
Aug. 12, 2003 |
| 6598618 |
Flow regulator |
Jul. 29, 2003 |
| 6568656 |
Flow control valve with lateral port balancing |
May. 27, 2003 |
| 6536472 |
High performance fluid control valve |
Mar. 25, 2003 |
| 6469325 |
Semiconductor integrated circuit device and its manufacture |
Oct. 22, 2002 |
| 6443176 |
Flush valve with rotatable grate |
Sep. 3, 2002 |
| 6405994 |
Flow control valve incorporating an inflatable bag |
Jun. 18, 2002 |
| 6360772 |
Mass flow controller |
Mar. 26, 2002 |
| 6338385 |
Retrievable downhole adjustable choke |
Jan. 15, 2002 |
| 6325094 |
Self-metering reservoir |
Dec. 4, 2001 |
| 6298879 |
Stem valve stopper |
Oct. 9, 2001 |
| 6257874 |
Flame adjusting device for a gas burning device |
Jul. 10, 2001 |
| 6250603 |
Adjustable device for opening service valves |
Jun. 26, 2001 |
| 6244561 |
Modulating expansion valve |
Jun. 12, 2001 |
| 6231029 |
Solenoid valve for anti-lock brake system |
May. 15, 2001 |
| 6213154 |
Volume adjustable faucet |
Apr. 10, 2001 |
| 6206021 |
Sleeve valve with clean out section |
Mar. 27, 2001 |
| 6202681 |
Vacuum pressure control system |
Mar. 20, 2001 |
| 6164869 |
Device for influencing a flow of waste water |
Dec. 26, 2000 |
| 6164620 |
Apparatus for adjusting operating speed of fluid-driven equipment |
Dec. 26, 2000 |
| 6158455 |
Antifreeze cap for faucet |
Dec. 12, 2000 |
| 6158769 |
Inflator slope control device |
Dec. 12, 2000 |
| 6131611 |
Cartridge or mechanism for a sequential mixing valve |
Oct. 17, 2000 |
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