Resources Contact Us Home
Browse by Category: Main > Engineering
Class Information
Number: 137/243.1
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 > Concentric stem
Description: Devices in which the actuator is made up of an axial rod mounted within a sleeve.

Patents under this class:

Patent Number Title Of Patent Date Issued
7921870 Slurry valve clutch mechanism Apr. 12, 2011
4627461 Self cleaning valve Dec. 9, 1986

  Recently Added Patents
Synergistic compositions for the treatment of topical viral infections
Architectural panel with bamboo rings heavy density embossed surface
Fuel basket spacer, apparatus and method using the same for storing high level radioactive waste
Method of producing probabilities of being a template shape
Pipette device
Method for exchanging data concerning an electronic transaction
Method and composition for hyperthermally treating cells
  Randomly Featured Patents
Cap for a jar containing a candle and the jar containing the candle and the cap therefore
Step-up power supply unit and portable apparatus utilizing the same
Keyed electrical connector with main and auxiliary electrical contacts
Base station controlled handoff method and apparatus
Tapered roller bearing with improved lubricating means
Miter gauge holder for a table saw
Digital audio recording with coordinated handwritten notes
Method for crystallizing a substance from a solution
Apparatus for direct fluorination of polymeric resins
Dry excited singlet delta oxygen generator