Resources Contact Us Home
Browse by Category: Main > Engineering
Class Information
Number: 137/246.2
Name: Fluid handling > With cleaner, lubrication added to fluid or liquid sealing at valve interface > Liquid supplied at valve interface > Screw feed > Seating
Description: Valves wherein the lubrication pressure aids in seating of the valve.

Patents under this class:

Patent Number Title Of Patent Date Issued

  Recently Added Patents
Image enhancement based on multiple frames and motion estimation
Switchable memory diodes based on ferroelectric/conjugated polymer heterostructures and/or their composites
Semiconductor device including multi-chip
Cathode material for lithium ion secondary battery and lithium ion secondary battery using it
Bid optimization in search engine marketing
Case for camera
Entropy encoding and decoding using direct level and run-length/level context-adaptive arithmetic coding/decoding modes
  Randomly Featured Patents
Steam power plant provided with a retrofit kit and method for retrofitting a steam power plant
Apparatus for polishing side faces of soaps
Bathing chair with turnable seat
Apparatus for applying abrasive substances to continuous paper webs
Static seal
Cooler for bottled water
Speaker diaphragm, speaker dust cap, speaker sub-cone, speaker using these components, and electronic apparatus using the same
Organometallic precursors for use in chemical phase deposition processes
Shaped article and process for preparing the article
Electronic cabinet with vent