Resources Contact Us Home
Browse by Category: Main > Engineering
Class Information
Number: 137/625.36
Name: Fluid handling > Systems > Multi-way valve unit > Dividing into parallel flow paths with recombining > Reciprocating > Spool > Unequal heads
Description: Devices having port controllers of unequal size generally to partially balance the valve.

Patents under this class:

Patent Number Title Of Patent Date Issued
7000635 Double valve Feb. 21, 2006
6401753 Shut-off valve Jun. 11, 2002
5388613 Valve with pressure compensation Feb. 14, 1995
4079886 Double ported expansion valve Mar. 21, 1978

  Recently Added Patents
Stackable clothes drying apparatus
Cationic polymers for antimicrobial applications and delivery of bioactive materials
Method for playing digital media files with a digital media player using a plurality of playlists
Illumination apparatus for microlithography projection system including polarization-modulating optical element
Node and wireless sensor network comprising the node
Motorized home appliance door
Fluorescent dyes, fluorescent dye kits, and methods of preparing labeled molecules
  Randomly Featured Patents
Gas turbine engine and pulse detonation combustion system
Apparatus for guiding a vehicle allowing a route sweep
Method and apparatus for vapor phase soldering and cleaning products
Frog feeding apparatus
System and method of mapping memory blocks in a configurable integrated circuit
Liquid crystal display device
Large capacity wing loader and unloader apparatus for cargo ships
Camera containing a lens barrier therein
Preparation method of masterbatch composition for thermoplastic resin modification
Hanger for wire fence