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Class Information
Number: 137/243
Name: Fluid handling > With cleaner, lubrication added to fluid or liquid sealing at valve interface > Cleaning or steam sterilizing > Mechanical cleaning > Valve grinding motion of valve on seat
Description: Systems in which the fluent material system or a part thereof has means for giving the valve or its seat a motion which produces cleaning or grinding of the valve and/or its seat.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6957659 |
Sliding disk valve for pneumatic conveyance of abrasive material |
Oct. 25, 2005 |
| 6845783 |
Sliding disk valve for pneumatic conveyance of abrasive material |
Jan. 25, 2005 |
| 6726174 |
Control valve, especially for an internal combustion engine, for the controlled recycling of exhaust gases |
Apr. 27, 2004 |
| 6123097 |
Apparatus and methods for controlling process chamber pressure |
Sep. 26, 2000 |
| 5988592 |
Valves |
Nov. 23, 1999 |
| 5971889 |
Solenoid self-cleaning pressure valve for automatic vehicle transmission |
Oct. 26, 1999 |
| 4884923 |
Vehicle for bulk transport of powder-form, granular or pellet-like material |
Dec. 5, 1989 |
| 4676279 |
Filler for aseptic dispensing of particulate garnish |
Jun. 30, 1987 |
| 4376885 |
Process and apparatus for producing a ring unit for the valve parts of labyrinth valves |
Mar. 15, 1983 |
| 4367766 |
Slide valve |
Jan. 11, 1983 |
| 4305419 |
Self-cleaning water faucet valve construction |
Dec. 15, 1981 |
| 4236547 |
Self-cleaning valve plug and seat assembly |
Dec. 2, 1980 |
| 4134372 |
Valve rotating device |
Jan. 16, 1979 |
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