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
Method and system for utilizing native ethernet as a virtual memory interconnect
Schottky diode and method of manufacture
Automotive lighting system
Portion of display panel or screen with an icon
Security access protection for user data stored in a cloud computing facility
Method for facilitating assessment of a coursework answer and moderating the assessment
Composite high reflectivity layer
  Randomly Featured Patents
Method and apparatus for generating reference voltage to adjust for attenuation
Near atmospheric pressure treatment of polymers using helium discharges
System and method for an ambient atmosphere ion thruster
LED-switching controller and LED-switching control method
Methods and apparatus for electrically characterizing magnetic tunnel junctions having three metal layers separated by two dielectric layers
Saw blade for parting cuts made in an oscillating or rotary manner
Catalytic reactive separation system for energy-efficient production of cumene
Computer housing
Stacked electrical connector with improved signal transmission
Apparatus and method for voice processing in mobile communication terminal