Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Engineering
Class Information
Number: 137/308
Name: Fluid handling > Hydrant type > Protection against freezing > Stop and waste > Reciprocating relatively fixed valves > Waste through lower valve guide
Description: Apparatus in which the drain passage is through a guide channel for a valve extension or the valve stem or actuator projection and below the normal travel limits of the valve.










Patents under this class:

Patent Number Title Of Patent Date Issued











 
 
  Recently Added Patents
Radiation detector array
Method for using a super-slippery thin layer characterized by the method for making same
Die seal ring
Methods and apparatus for mitigating interference between co-located collaborating radios
System for controlled release of an active principle and method for preparation
Aisle barrier
System and method of creating and providing SMS http tagging
  Randomly Featured Patents
Liquid polyisocyanate adduct mixtures possessing good compatibility with apolar solvents
Gaseous fueled engine system and method
Wavelength multiplexed optical transducer with a swept wavelength optical source
Electrostatic discharge (ESD) protective device for integrated circuit packages with no-connect pins
System and method for automatic voice recognition using mapping
Method for connecting a mobile radio communication apparatus to a plurality of radio communication systems
Electronic apparatus
Fluid presence indicator for rotatable syringe
System and method for controlling a difference in optical phase and an optical signal transmitter
Reducing N.sub.2 O emissions when burning nitrogen-containing fuels in fluidized bed reactors