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Class Information
Number: 137/246
Name: Fluid handling > With cleaner, lubrication added to fluid or liquid sealing at valve interface > Liquid supplied at valve interface
Description: Systems in which a separate fluid is applied between the valve and its seats to seal the valve against passage of the fluent material carried by the system.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7240796 |
Packaging release valve for refrigerated food items |
Jul. 10, 2007 |
| 7178550 |
Pressure control valve for a packaging container and device for attaching the pressure control valve to a material web |
Feb. 20, 2007 |
| 7025078 |
Clean-in-place valve and valve seat |
Apr. 11, 2006 |
| 6874525 |
Linear solenoid valve control device |
Apr. 5, 2005 |
| 6863510 |
Vacuum preventing oil seal for scroll compressor |
Mar. 8, 2005 |
| 6827105 |
Valve |
Dec. 7, 2004 |
| 6494687 |
Metering device for viscous liquids with a plurality of selectively engaged metering pumps, metering channels, supply channels, and bypass channels for flush cleaning |
Dec. 17, 2002 |
| 6468060 |
Oil film dilation for compressor suction valve stress reduction |
Oct. 22, 2002 |
| 6309194 |
Enhanced oil film dilation for compressor suction valve stress reduction |
Oct. 30, 2001 |
| 6220294 |
Switching valve for double-handled mixing faucet |
Apr. 24, 2001 |
| 6102680 |
Suction valve with release timing chamber |
Aug. 15, 2000 |
| 6099275 |
Biased open suction valve |
Aug. 8, 2000 |
| 6019122 |
Membrane-type inflation nozzle |
Feb. 1, 2000 |
| 6015601 |
Curling ribbon |
Jan. 18, 2000 |
| 5992442 |
Relief valve for use with hermetically sealed flexible container |
Nov. 30, 1999 |
| 5881759 |
Air-ventilating valve |
Mar. 16, 1999 |
| 5623957 |
Valve for controlling a gas or liquid flow |
Apr. 29, 1997 |
| 5520209 |
Fluid relief device |
May. 28, 1996 |
| 5427839 |
Overpressure valve for packaging containers |
Jun. 27, 1995 |
| 5375622 |
Multiport valve including leakage control system, particularly for a thermal regenerative fume incinerator |
Dec. 27, 1994 |
| 5354133 |
Relief valve |
Oct. 11, 1994 |
| 5313982 |
Gas supply piping device for a process apparatus |
May. 24, 1994 |
| 5311900 |
Leak resistant plug valve |
May. 17, 1994 |
| 5232009 |
Leak resistant plug valve |
Aug. 3, 1993 |
| 5048555 |
Process and apparatus for protecting and supporting a seal of a valve |
Sep. 17, 1991 |
| 4974707 |
Shock absorber |
Dec. 4, 1990 |
| 4890637 |
One way valve |
Jan. 2, 1990 |
| 4886424 |
Multi-piston swash plate type compressor with damping arrangement for discharge reed valves |
Dec. 12, 1989 |
| 4842026 |
Machine for filling receptacles with flowable materials and method of cleaning the machine |
Jun. 27, 1989 |
| 4842007 |
Self-sealing valve for inflated bodies |
Jun. 27, 1989 |
| 4838325 |
Method and an arrangement for a filling valve in a packing machine |
Jun. 13, 1989 |
| 4830041 |
Reelable flow stopper for plugging fluid flow within a pipe |
May. 16, 1989 |
| 4726391 |
Rotary switching device provided with an axially displaceable conical chamber |
Feb. 23, 1988 |
| 4667709 |
Arrangement for dosingly filling of fluent filling material into containers |
May. 26, 1987 |
| 4573493 |
Sequentially controlled water mixer |
Mar. 4, 1986 |
| 4527771 |
Butterfly valve protector |
Jul. 9, 1985 |
| 4444219 |
Overpressure valve for packages with flexible walls |
Apr. 24, 1984 |
| 4431161 |
Rotary valve |
Feb. 14, 1984 |
| 4318422 |
Butterfly valve |
Mar. 9, 1982 |
| 4245968 |
Lubricating system for pump and control valve therefor |
Jan. 20, 1981 |
| 4142708 |
Valve and seal |
Mar. 6, 1979 |
| 4070161 |
Double seal gate valve structure |
Jan. 24, 1978 |
| 4057078 |
Vacuum slide valve |
Nov. 8, 1977 |
| 4030518 |
Air flow control apparatus |
Jun. 21, 1977 |
| 3986850 |
Flow control apparatus and air filters |
Oct. 19, 1976 |
| 3946752 |
Flue gas valve for the refining process in the inert gas system |
Mar. 30, 1976 |
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