Resources Contact Us Home
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
Authentication platform and related method of operation
Mobile advertising and compensation-verification system
Method and device for managing devices in device management system
High sensitivity stress sensor based on hybrid materials
Amplitude-shift-keying (ASK) envelope detector and demodulation circuits
Method for producing carrier on which microorganisms capable of conducting multiple parallel mineralization are immobilized, column reactor and solid medium for cultivating plants
Method and system for selecting a target with respect to a behavior in a population of communicating entities
  Randomly Featured Patents
Airbag apparatus
Outdoor low power LED lamp
Fluid level detector
IC card having flash erase means
Use and generation of ozone as a disinfectant of dairy animal tissues, dairy equipment, and infrastructure
Fuel source for electrochemical cell
Backlash-free planetary gear unit with split planet gears, which are preloaded by spring bars arranged parallel to the planetary axis of rotation
Impedance matched variable gain low noise amplifier using shunt feed-back
Thermosetting compositions, methods of coating and coated articles
Preferential loading in data centers