Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Engineering
Class Information
Number: 137/310
Name: Fluid handling > Reversing valves - regenerative furnace type > With cooling
Description: Reversing valves wherein a coolant, such as air or water, is circulated in heat exchange relation with the valve, valve seat, or operating parts thereof.










Patents under this class:

Patent Number Title Of Patent Date Issued
4027654 Damper assembly for high temperature or corrosive gases Jun. 7, 1977











 
 
  Recently Added Patents
Matching a usage history to a new cloud
Molten alloy solidification analyzing method and solidification analyzing program for performing the same
Non-volatile semiconductor memory and data processing method in non-volatile semiconductor memory
Image forming apparatus
System and methods for random parameter filtering
Field emission cathode structure
Method and apparatus for wireless transmission of diagnostic information
  Randomly Featured Patents
Process for the preparation of ketones
Transmission and transaxle casing
Take-up piston shipping lock for viscous product dispensers
Radioassay of folates
Method and apparatus for treating long formation intervals
Method for a junction field effect transistor with reduced gate capacitance
7-(2-aminoethyl) benzothiazolones
Mechanical dewatering apparatus for elastomer slurries
Printing apparatus having discharge speed control
Container for cosmetic stick