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
Image forming apparatus forming images in response to image formation request from operation unit or external device
Adaptive analog echo/next cancellation
Advertising system and method
Lid for a container
Blur correction device and imaging apparatus
Target trading system and method
Performing failover for a plurality of different types of videoconferencing devices
  Randomly Featured Patents
Low-pressure valve
Turbulent transport contactor and method of operation
Apparatus for mixing solids and fluids
Slim spacer device and manufacturing method
Synthesis of cesium-containing zeolite, CSZ-1
Corrosion-resistant system and method for a plasma etching apparatus
Faucet handle
Thermotherapy device
System, method, and computer program product for calculating a rate of an electronic message utilizing an identifier of an associated session
Polytetrahydrofuran derivatives having terminal aromatic groups