Resources Contact Us Home
Browse by Category: Main > Engineering
Class Information
Number: 137/289
Name: Fluid handling > Hydrant type > Balanced valve
Description: Apparatus in which the valve is balanced, i.e., has opposed surfaces of equal or nearly equal area exposed to the line fluid pressure.

Patents under this class:

Patent Number Title Of Patent Date Issued
6427716 Positive displacement hydrant with water discharge path from reservoir Aug. 6, 2002
5138756 Method of converting backhoe controls Aug. 18, 1992

  Recently Added Patents
Peer-to-peer method of deploying and managing executable code and associated plug-ins
Fuel cell module
Battery loading and unloading mechanism
Microfluidic system incorporating a metal impregnated nanoporous material in a microfluidic pathway thereof
Image forming apparatus, control method and computer-readable medium for stopping a print job during printing by a printer
Phone messaging using audio streams
Methods, devices and software applications for facilitating a development of a computer program
  Randomly Featured Patents
Time-to-amplitude converter component
Dahlia plant named `Fidahnewy`
Ink set, inkjet recording apparatus comprising the ink set, and method of forming image using the ink set
Apparatus for use in enlarging a borehole
Developing device of image forming apparatus using a toner and carrier mixture
Computer controlled timer for main drive pulse of form feed motor
Bathing tub
Liquid crystal display
Method, apparatus and article for hierarchical wagering
Method of locating an object-applied optical code