Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Engineering
Class Information
Number: 137/329.2
Name: Fluid handling > With repair, tapping, assembly, or disassembly means > Removable valve with normally disabled supplemental check valve > Check valve disabled by normally movable main valve part
Description: Devices in which the check valve is biased opened by a part of the main valve which is movable in normal usage of the main valve. Usually a spacer or projection between the check valve and main valve is provided.










Sub-classes under this class:

Class Number Class Name Patents
137/329.3 Ball check 16
137/329.4 Spring bias 18


Patents under this class:

Patent Number Title Of Patent Date Issued
6062537 Fast pipe joint May. 16, 2000
5911404 Automatic fluid stopper and fluid stopper mounting spanner Jun. 15, 1999
5904174 Auxiliary tap valve May. 18, 1999
5787921 Gas container valve Aug. 4, 1998
5628340 Automatic valve May. 13, 1997
5628492 Faucet connector device May. 13, 1997
5344119 Hose coupling Sep. 6, 1994
5110088 Water-control stopper May. 5, 1992
4558819 Automatic valve closer to prevent tampering with a thermostatic controlled radiator Dec. 17, 1985











 
 
  Recently Added Patents
Beverage container lid
Clothes hanger
Providing a feedback loop in a low latency serial interconnect architecture
Image processing apparatus, method, and storage medium for performing soft proof processing
Systems and methods for printing images outside a normal color gamut in image forming devices
Method and system for accomplishing user equipment purge
Input device with photodetector pairs
  Randomly Featured Patents
Method for providing a polarization filter for processing synthetic aperture radar image data
Paper feeding device
Local intercept methods, such as applications for providing customer assistance for training, information calls and diagnostics
Steam methane reformer and hydrogen station having it using high performing metal fiber burner
Friction clutch system
Method for field modification of a diesel generator to improve efficiency
Automatic white balance technique
Riser card to support different kinds of connectors
Rotary cutting tool
Structure for connecting blocks of band