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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 |
| 5967165 |
Method and apparatus for increasing valve flow efficiency |
Oct. 19, 1999 |
| 5964247 |
Fill valve |
Oct. 12, 1999 |
| 5964446 |
Elastomeric element valve |
Oct. 12, 1999 |
| 5957160 |
Sanitary water valve |
Sep. 28, 1999 |
| 5941281 |
Fluid pressure reduction device |
Aug. 24, 1999 |
| 5937901 |
Rotary noise attenuating valve |
Aug. 17, 1999 |
| 5937890 |
Insert for flow throttling ball valves |
Aug. 17, 1999 |
| 5913332 |
Electronic valve including an edge filter |
Jun. 22, 1999 |
| 5890505 |
Low noise ball valve assembly with downstream airfoil insert |
Apr. 6, 1999 |
| 5870896 |
Combined valve configuration for steam cycle units |
Feb. 16, 1999 |
| 5839469 |
Solenoid valve for starting fluid injection system |
Nov. 24, 1998 |
| 5838083 |
Device for breaking eddies at a surface submerged by a turbulent flow |
Nov. 17, 1998 |
| 5832947 |
Gas shut-off and pressure relief valve for a high pressure gas vessel |
Nov. 10, 1998 |
| 5829246 |
Self-cleaning augmentor fuel drain metering device |
Nov. 3, 1998 |
| 5819803 |
Fluid pressure reduction device |
Oct. 13, 1998 |
| 5813652 |
Apparatus for suppressing noise generated by a flow of water through a water valve |
Sep. 29, 1998 |
| 5803119 |
Fluid flow control device |
Sep. 8, 1998 |
| 5799695 |
Flow regulating valve of the ball or plug type |
Sep. 1, 1998 |
| 5794915 |
Safety relief valve assembly for a fluid displacement apparatus |
Aug. 18, 1998 |
| 5778926 |
Pressure regulating valve and fuel supply system using the same |
Jul. 14, 1998 |
| 5772178 |
Rotary noise attenuating valve |
Jun. 30, 1998 |
| 5771929 |
Low noise ball valve assembly with airfoil insert |
Jun. 30, 1998 |
| 5769122 |
Fluid pressure reduction device |
Jun. 23, 1998 |
| 5769114 |
Control valve for use in a dual handled hot/cold water mixing faucet |
Jun. 23, 1998 |
| 5765814 |
Flow rate stabilizer for throttling valves |
Jun. 16, 1998 |
| 5758689 |
Control valve with partial flow diffuser |
Jun. 2, 1998 |
| 5732738 |
Valve trim |
Mar. 31, 1998 |
| 5687763 |
Fluid flow control device |
Nov. 18, 1997 |
| 5651529 |
Reduced noise disk valve assembly |
Jul. 29, 1997 |
| 5615708 |
Flow control valve with non-plugging multi-stage valve trim |
Apr. 1, 1997 |
| 5601126 |
Vessel for transferring and dispensing liquid |
Feb. 11, 1997 |
| 5588635 |
Liquid flow velocity diffuser |
Dec. 31, 1996 |
| 5524863 |
Quarter turn rotatable flow control valve |
Jun. 11, 1996 |
| 5511584 |
Low noise rotary control valve |
Apr. 30, 1996 |
| 5509446 |
Ball valve or plug valve provided with an insert |
Apr. 23, 1996 |
| 5503182 |
Air pressure adjusting module balancing value and its chamber structure |
Apr. 2, 1996 |
| 5499649 |
Pressure surge resistant rupture disk assembly |
Mar. 19, 1996 |
| 5497801 |
Flow control valve |
Mar. 12, 1996 |
| 5490540 |
Unit for a single-lever mixing valve |
Feb. 13, 1996 |
| 5487528 |
Quiet appliance water valve |
Jan. 30, 1996 |
| 5482075 |
Pressure surge resistant rupture disk assembly |
Jan. 9, 1996 |
| 5480123 |
Butterfly type control valve |
Jan. 2, 1996 |
| 5437305 |
Flow control valve |
Aug. 1, 1995 |
| 5427147 |
Valve for regulating and/or shutting off the flow of liquid in a conduit |
Jun. 27, 1995 |
| 5400825 |
Rotary noise attenuator |
Mar. 28, 1995 |
| 5390896 |
Energy loss device |
Feb. 21, 1995 |
| 5377716 |
Pressure surge resistant rupture disk assembly |
Jan. 3, 1995 |
| 5368205 |
Apparatus for controlling foaming and flowrate in beverage dispensing systems |
Nov. 29, 1994 |
| 5351717 |
High differential pressure control valve |
Oct. 4, 1994 |
| 5332004 |
Rotary noise attenuator |
Jul. 26, 1994 |
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