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
Acrylic pressure-sensitive adhesive composition, acrylic pressure-sensitive adhesive layer, and acrylic pressure-sensitive adhesive tape
Processing abstract derived entities defined in a data abstraction model
Data distribution apparatus, data distribution method, and distribution control program
Vaccine composition against Streptococcus pyogenes
Random sampling for geophysical acquisitions
Apparatus and method for weighing an item of mail during transport through a sorting installation and having an anti-vibration device
Pre-distortion architecture for compensating non-linear effects
  Randomly Featured Patents
Automotive door lock device with anit-theft structure
Multichip module for LOC mounting and method for producing the multichip module
Body sensing device
Sock with asymmetrical toe and method of producing such a sock
Running type robot control system
Optical coupling device
Movable connecting construction
Data distribution system that performs load balancing by directly transmitting data between distribution servers
Transmissive dynamic plasma steering apparatus for radiant electromagnetic energy
Method for selective separation of 2,6-dichlorotoluene