Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Engineering
Class Information
Number: 137/119.02
Name: Fluid handling > Self-proportioning or correlating systems > Self-controlled branched flow systems > Plural outflows > Alternately or successively substituted outflow > Four port reversing valve
Description: Subject matter including a four way valve having an inlet port, an outlet port and two intermediate ports, the valve being selectively movable into two positions, in one position the inlet port being connected to the first intermediate port and the second intermediate port being connected to the outlet port, and in the other position the inlet port being connected to the second intermediate port and the first intermediate port being connected to the outlet port.










Patents under this class:

Patent Number Title Of Patent Date Issued
8443827 Controlling device for hydraulic consumers May. 21, 2013
6895988 Self-actuating control valve for a bed pad or seat pad May. 24, 2005
4344212 Valve and a wire cutting, skinning and wrapping tool employing the valve Aug. 17, 1982
4244391 Pneumatic program register and corresponding module Jan. 13, 1981
4205700 Control circuit for pneumatic phase Jun. 3, 1980
4181141 Pneumatic circuit arrangement Jan. 1, 1980
4112962 Integrated pneumatic logic module Sep. 12, 1978











 
 
  Recently Added Patents
Integrated multi-sat LNB and frequency translation module
Automated processing machine used for processing samples placed on slides and having an output device
Image playback device and method and electronic camera with image playback function
Wine cellar alarm system
Anti-FGFR3 antibodies and methods using same
Compounds for the reduction of .beta.-amyloid production
Method and apparatus for optimizing paging in a communication network
  Randomly Featured Patents
Heater control system and methods of making
Method of contructing a vertical barrier wall in the ground, as well as apparatus for applying this method
Determining dependency relationships among design verification checks
Dynamic channel allocation in macrocells with deterministic exclusion for allowing underlaying autonomous microcells
Heat exchange assembly
1-Hydroxymethyl-2-acyl cyclopropane derivatives and esters thereof
Woven panel
Lower back and spinal stress reducer apparatus
Method and system for switching among management system applications
Tea bag coaster