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Class Information
Number: 251/127
Name: Valves and valve actuation > With material guide or restrictor > Baffle or zigzag flow restrictor
Description: Subject matter wherein the restricting means is of a form such that the fluid flow direction is changed at least twice in a plurality of stages.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7455115 |
Flow control device |
Nov. 25, 2008 |
| 7431045 |
Flow restrictor |
Oct. 7, 2008 |
| 7370661 |
Permeable gas assembly for gas delivery |
May. 13, 2008 |
| 7264221 |
Butterfly valve assembly with improved flow characteristics |
Sep. 4, 2007 |
| 7234488 |
Valve assembly and method with slotted plates and spherical ball plug |
Jun. 26, 2007 |
| 7178782 |
Quiet opening ball valve |
Feb. 20, 2007 |
| 7174912 |
Shut-off valve assembly |
Feb. 13, 2007 |
| 7156122 |
Rotary ball valve assembly |
Jan. 2, 2007 |
| 7143992 |
Device for regulating the flow of a fluid, in particular for solenoid valves |
Dec. 5, 2006 |
| 7131456 |
Mass flow controller |
Nov. 7, 2006 |
| 7111637 |
Enclosure system for pressure relief device |
Sep. 26, 2006 |
| 7082956 |
Regulator with flow distributor |
Aug. 1, 2006 |
| 7044437 |
Flexible size sparger for air cooled condensors |
May. 16, 2006 |
| 7044436 |
Regulation valve |
May. 16, 2006 |
| 6997205 |
Inlet protection apparatus and method |
Feb. 14, 2006 |
| 6974116 |
Rotary ball valve assembly |
Dec. 13, 2005 |
| 6910869 |
Valveless micropump |
Jun. 28, 2005 |
| 6848668 |
Silent-operating device for feeding water into a tank, in particular for filling a lavatory flush tank |
Feb. 1, 2005 |
| 6783108 |
Fueldraulic pintle valve |
Aug. 31, 2004 |
| 6752795 |
Adjustable fluid flow resistor cassette |
Jun. 22, 2004 |
| 6675832 |
Blowdown valve |
Jan. 13, 2004 |
| 6619286 |
Pressure regulator for a respirator system |
Sep. 16, 2003 |
| 6615874 |
Stacked disk valve trim |
Sep. 9, 2003 |
| 6584625 |
Drain flow control device for commercial drainage system |
Jul. 1, 2003 |
| 6565063 |
Helical choke for brake valves |
May. 20, 2003 |
| 6520209 |
Device in a valve |
Feb. 18, 2003 |
| 6439540 |
Butterfly valve noise suppressor |
Aug. 27, 2002 |
| 6394412 |
Controlled valve |
May. 28, 2002 |
| 6382233 |
Plastic hydraulic hammer reduction system |
May. 7, 2002 |
| 6378596 |
Device for regulating the evacuation of air and gas from casting dies |
Apr. 30, 2002 |
| 6378558 |
Valve on the basis of electrorheological and/or magnetorheological fluids |
Apr. 30, 2002 |
| 6286486 |
Fuel system including a pressure regulator |
Sep. 11, 2001 |
| 6286808 |
Gravity flow faucet |
Sep. 11, 2001 |
| 6260574 |
Toilet tank fill valve connectable to riser with pre-selected height |
Jul. 17, 2001 |
| 6247498 |
Hydraulic valve for a camera dolly |
Jun. 19, 2001 |
| 6244297 |
Fluid pressure reduction device |
Jun. 12, 2001 |
| 6220287 |
Baffle for suppressing slosh in a tank and a tank for incorporating same |
Apr. 24, 2001 |
| 6189745 |
Fluid Dispensing valve including a fluid diffuser |
Feb. 20, 2001 |
| RE36984 |
Fluid flow controlling device |
Dec. 12, 2000 |
| 6152158 |
Gaseous wave pressure regulator and its energy recovery system |
Nov. 28, 2000 |
| 6129116 |
Sealing devices |
Oct. 10, 2000 |
| 6095196 |
Tortuous path fluid pressure reduction device |
Aug. 1, 2000 |
| 6058966 |
Plastic safety valve for containers |
May. 9, 2000 |
| 6026859 |
Fluid pressure reduction device with linear flow characteristic |
Feb. 22, 2000 |
| 6012476 |
Pressure balancer for use in a water inlet passage of a mixing faucet |
Jan. 11, 2000 |
| 5988586 |
Low noise ball valve assembly with downstream insert |
Nov. 23, 1999 |
| 5984261 |
Flow control valve unit including electric coil actuated rod |
Nov. 16, 1999 |
| 5984211 |
Fuel injection valve for an internal combustion engine |
Nov. 16, 1999 |
| 5979495 |
Adjustable low flow high pressure regulator |
Nov. 9, 1999 |
| 5975125 |
Combined filter and noise suppressor for fill valve |
Nov. 2, 1999 |
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