Resources Contact Us Home
Browse by Category: Main > Engineering
Class Information
Number: 137/246.21
Name: Fluid handling > With cleaner, lubrication added to fluid or liquid sealing at valve interface > Liquid supplied at valve interface > Spring biased piston feed
Description: Valves wherein the lubricant feed means is a spring biased piston.

Patents under this class:

Patent Number Title Of Patent Date Issued
4671915 Method for making a glass precision valve Jun. 9, 1987

  Recently Added Patents
Support for a parameterized query/view in complex event processing
Pattern data conversion for lithography system
Detection of procedural deficiency across multiple business applications
System and method for reducing antivirus false positives
Method of making an array of nucleic acid colonies
Valved, microwell cell-culture device and method
Anti-infective agents and uses thereof
  Randomly Featured Patents
Method and system for presenting rates for travel services
Liners for use in a rod mill
Color-changing table-top mood lamp, utilizing light emitting diodes
Method and apparatus for spraying powder into a continuous tow
Complete animal food for cats and dogs
Slide switch
Guiding catheter reinforcement with angled distal end
Clematis plant named `Zoklako`
Vaginal cleansing swab