Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Engineering
Class Information
Number: 137/246.15
Name: Fluid handling > With cleaner, lubrication added to fluid or liquid sealing at valve interface > Liquid supplied at valve interface > Screw feed
Description: Valves having a screw means (e.g., screw fed plunger) for feeding the fluid.










Sub-classes under this class:

Class Number Class Name Patents
137/246.19 Jacking 1
137/246.2 Seating 0
137/246.16 With check valve 5


Patents under this class:

Patent Number Title Of Patent Date Issued
7828807 Implantation of a deformable prosthesic device Nov. 9, 2010
5311900 Leak resistant plug valve May. 17, 1994
5232009 Leak resistant plug valve Aug. 3, 1993
4572231 Rotary plug valve Feb. 25, 1986











 
 
  Recently Added Patents
Inducement of organogenetic tolerance for pancreatic xenotransplant
Method and system and policy server for guaranteeing data not to be interrupted
Electric train drive control device
Camera with monitor
Sample chamber for laser ablation inductively coupled plasma mass spectroscopy
Methods, systems, and products for providing ring backs
Rupture resistant system
  Randomly Featured Patents
Spring mounted standard assembly
Investment removal apparatus
Managing treatment of subterranean zones
Game board
Thin film transistor and manufacturing method of the same
Apparatus and method for controlled feeding of particulate material
Systems and methods for detecting inkjet defects
Drive circuit for electroluminescent lamp
Combined heating and cooling panel unit for placement in a modular office panelling system
Apparatus and method for displaying an image of a speaker in a push-to-talk communication service in a push-to-talk portable terminal