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Class Information
Number: 137/484.6
Name: Fluid handling > Line condition change responsive valves > Line flow effect assisted > Reactor surface separated from flow by apertured partition
Description: Devices in which the reactor surface is in a chamber distinct from the outlet chamber and in direct fluid communication therewith by means of an aperture through a partition or wall through the chambers.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6792972 |
Excess pressure release for gas |
Sep. 21, 2004 |
| 5890512 |
CNG regulator |
Apr. 6, 1999 |
| 4705065 |
Safety relief system for control or vent valves |
Nov. 10, 1987 |
| 4638832 |
Nonreturn piston slide valve |
Jan. 27, 1987 |
| 4619285 |
Fluid flow control device |
Oct. 28, 1986 |
| 4616672 |
Pressure relief and drain valve |
Oct. 14, 1986 |
| 4574839 |
Directional control valve with integral flow control valve |
Mar. 11, 1986 |
| 4552172 |
Pressure-limiting hydraulic valve |
Nov. 12, 1985 |
| 4437485 |
Check valve |
Mar. 20, 1984 |
| 4243069 |
Fluid flow regulator |
Jan. 6, 1981 |
| 3993093 |
Non-return valve |
Nov. 23, 1976 |
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