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
Macrocyclic cysteine protease inhibitors and compositions thereof
Rapid glycopeptide optimization via neoglycosylation
Method for remotely measuring fluctuations in the optical index of refraction of a medium
Integrated monitoring in problem management in service desk
Centralized behavioral information system
Mobile terminal based on W-CDMA system having receive diversity function and system thereof
Cascode circuit device with improved reverse recovery characteristic
  Randomly Featured Patents
Eyeglass case
Transcatheter prosthetic heart valve post-dilatation remodeling devices and methods
Inertial device for sight and sound effects in rotating apparatus
Low power dynamic random access memory
Method and system for performing automatic extraction and compliance checking of an IEEE 1149.1 standard design within a netlist
Communication station and data carrier with improved acknowledgement measures
Multiple pole bandpass filter having monolithic crystal elements
Dynamic random access memory (DRAM) capable of canceling out complementary noise development in plate electrodes of memory cell capacitors
Outboard motor
Controlling videoconference with touch screen interface