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
Active and progressive targeted advertising
Intrinsic absorber layer for photovoltaic cells
Organic compounds
Apparatus, method and program for image receipt, processing, conversion, and delivery to and from a plurality of external apparatuses
Automatic baroreflex modulation responsive to adverse event
System and method for reducing antivirus false positives
Dispenser
  Randomly Featured Patents
Electronic lock and key assembly
Transistor of semiconductor device and method of fabricating the same
Method for starting a pressure storage plant
Imaging sexual response
Method and apparatus for producing labeled, plastic foam containers, and product of same
Deglycosylated kringle 1-3 region fragments of plasminogen and methods of use
Method of and reader for electro-optically reading symbols on curved surfaces
Method of manufacturing positive electrode for non-aqueous electrolyte battery, slurry used therefor, and non-aqueous electrolyte battery
Weather effects generator for simulation systems
Nonferrous cast metal matrix composites