Resources Contact Us Home
Browse by Category: Main > Engineering
Class Information
Number: 137/243.2
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 > Spring pressed
Description: Devices provided with a spring which permits regrinding of the valve head on its seat.

Patents under this class:

Patent Number Title Of Patent Date Issued
6957659 Sliding disk valve for pneumatic conveyance of abrasive material Oct. 25, 2005
6845783 Sliding disk valve for pneumatic conveyance of abrasive material Jan. 25, 2005
4627461 Self cleaning valve Dec. 9, 1986
4338961 Valve for handling hot caustic alumina solution with provision for grinding Jul. 13, 1982
4177825 Self-grinding valve mechanism Dec. 11, 1979

  Recently Added Patents
Compression molding method and reinforced thermoplastic parts molded thereby
System and method for measuring an analyte in a sample
Triple-action pest control formulation and method
Portable, single member housing cord protector
Device and method for superimposing patterns on images in real time, particularly for guidance by location
Carbonate and carbamate modified forms of glucocorticoids in combination with .beta..sub.2 adrenergic agonists
Scalable packet processing systems and methods
  Randomly Featured Patents
Integrated tool with interchangeable wet processing components for processing microfeature workpieces
Batch method of recycling asphaltic concrete
High affinity HKGF nucleic acid ligands and inhibitors
Method and apparatus for write precompensation in a magnetic recording system
Fan closure flap
Drilling body of a drilling tool
Semantic matching using predicate-argument structure
Method of an apparatus for manufacturing a keyboard
Combined pressure regulating and fuel flow system