Resources Contact Us Home
Browse by Category: Main > Engineering
Class Information
Number: 137/247.23
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 > Ball valve > Seats vertically up
Description: Apparatus having a seat lying in a general horizontal plane above the valve.

Patents under this class:

Patent Number Title Of Patent Date Issued
6859956 P-trap for plumbing drainage systems Mar. 1, 2005
6779553 Emergency backflow system Aug. 24, 2004
6341618 Plumbing stop valve and method of use Jan. 29, 2002
6314988 Flood control valve assembly Nov. 13, 2001
6095179 Flood control valve assembly Aug. 1, 2000
4928727 Flash flood control units for housing construction May. 29, 1990
4046161 Non-return valve for preventing back flow of waste waters Sep. 6, 1977

  Recently Added Patents
Preventative traffic congestion social networking improvement system within a community
Circuit board having semiconductor chip embedded therein
Visual indicator of online backup
Drinking glass with ball embedded in base
System and method for hybrid risk modeling of turbomachinery
Method and apparatus for transcoding and transrating in distributed video systems
Method for switching between virtualized and non-virtualized system operation
  Randomly Featured Patents
Adjustable vehicle control pedals
Shifting device for objects, such as eggs, to be handled
Process for producing L-threonine by fermentation
Entropy coding for video processing applications
Cell phone cover with accessory pocket
Travelling mechanism for hoisting equipment
Braking method for a single-phase motor
Apparatus for the vertical stacking of printed products
Methods and devices for joining transmission components
Circuit with dual-purpose terminal