Resources Contact Us Home
Browse by Category: Main > Engineering
Class Information
Number: 137/243.5
Name: Fluid handling > With cleaner, lubrication added to fluid or liquid sealing at valve interface > Cleaning or steam sterilizing > Mechanical cleaning > Valve grinding motion of valve on seat > Nut releasable from body and/or stem
Description: Devices comprising screw actuated valves in which the nut is disconnected from the body or the stem, or both, to permit the valve head to rotate without reciprocating.

Patents under this class:

Patent Number Title Of Patent Date Issued

  Recently Added Patents
Single-electron detection method and apparatus for solid-state intensity image sensors with a charge splitting device
MRAM with sidewall protection and method of fabrication
Shape memory polymers formed by self-crosslinking of copolymers
Cryptographically generated addresses using backward key chain for secure route optimization in mobile internet protocol
Dynamic lookup service in a distributed system
Memory device and self interleaving method thereof
Systems, methods and computer program products supporting provision of web services using IMS
  Randomly Featured Patents
Cam heat sink clip installation and removal tool and method
Television mounting device for use in an automobile
Structure of a stand for liquid vessels
Polishing device, end face polishing apparatus having polishing device, and end face polishing method
System and method to decrease the route convergence time and find optimal routes in a wireless communication network
Semiconductor device
Process and apparatus for converting oil shale or tar sands to oil
Method of dyeing cellulose fiber-containing structures
Apparatus and method of driving discharge tube lamp and liquid crystal display using the same
Method, system, and program for copying tracks between a primary storage and secondary storage