Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Engineering
Class Information
Number: 137/247.17
Name: Fluid handling > With liquid valves or liquid trap seals > Liquid seal in liquid flow line; flow liquid forms seal > Valves > Line condition change responsive > Plural valves or valve seats
Description: Apparatus having a plurality of line condition responsive valves or having such a valve which seats alternatively on one of a plurality of seats.










Patents under this class:

Patent Number Title Of Patent Date Issued
7735805 Water control valve Jun. 15, 2010
6689007 Manual valve for automatic transmission Feb. 10, 2004
6273639 Method and apparatus for facilitating migration of fish past dams and other barriers in waterways Aug. 14, 2001
5743884 Sealing structure for medical instrument Apr. 28, 1998
4749658 Two-way valve for blood analyzing apparatus Jun. 7, 1988
4459983 Breathing apparatus for reanimation of newborns Jul. 17, 1984
4046161 Non-return valve for preventing back flow of waste waters Sep. 6, 1977











 
 
  Recently Added Patents
Information distribution system, information distributing method, node, and recording medium
Forklift
System and method for identifying a target signal in an optical transport network frame structure
Electric train drive control device
Progressively discovering and integrating services
Systems and methods for restoring images
Microporous membranes and methods for producing and using such membranes
  Randomly Featured Patents
Running guide apparatus for vehicle capable of keeping safety at passing through narrow path and the method thereof
Luminescent organic-inorganic perovskites with a divalent rare earth metal halide framework
Stacking coaxial connector for three printed circuit boards
Controlled release peroral compositions of levosimendan
Bulk bag or liner and method of making it
Injection needle
Radiator
Automatic server-side plug-and-play without user intervention
Purse spray
High stability, high flavor, breakfast pastry and method for preparing the same