Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
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
Plants and seeds of hybrid corn variety CH717591
Solid-state image sensing device and control method of solid-state image sensing device
Shoe
Methods and apparatus for dynamic identification (ID) assignment in wireless networks
Methods and systems for providing a business repository
Encoding method, decoding method, encoding device, decoding device, program, and recording medium
Encoder that optically detects positional information of a moving body from different optical paths lengths
  Randomly Featured Patents
X-ray system with internal power supply including battery power and capacitively stored power
Riveting machine
Metallic gasket
System for attaching a reinforcing band to a wall of a supporting structure and a device for placing the said system
Device for joining metal sheets by a rivetting-type method
Single screw extruder
Method and apparatus for engaging functionality with a color tag
Anchoring system for a medical article
Pump laser with low grating reflectivity
Ink jet recording apparatus having unitary cap with wiper portion formed therewith