Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Engineering
Class Information
Number: 137/118.05
Name: Fluid handling > Self-proportioning or correlating systems > Self-controlled branched flow systems > Plural outflows > Flow rate responsive > Primer valve
Description: Subject matter wherein the change in the fluid flow rate in the main line actuates an outlet leading to a liquid trap seal.










Patents under this class:

Patent Number Title Of Patent Date Issued
8671970 Flow-through trap primer valve assembly Mar. 18, 2014
7882851 Pressure activated trap primer and water hammer combination Feb. 8, 2011
7520292 Pressure activated trap primer and water hammer combination Apr. 21, 2009
6834665 Automatic adjustable trap priming valve Dec. 28, 2004
6422260 Trap primer Jul. 23, 2002
6152164 Pressure-drop activated trap seal primer valve Nov. 28, 2000
5797419 Sewer line trap priming assembly and antisiphoning conduit component therefor Aug. 25, 1998
5678588 Sewer line multiple trap priming system and method Oct. 21, 1997
5287877 Sewer drain trap primer valve Feb. 22, 1994
4821625 Valve device for controlling the delivery of pressurized liquid to two separate hydrostatic motors Apr. 18, 1989
4488569 Apparatus with staged pressure differential for controlling fluid flow Dec. 18, 1984
4468193 Staged hydrocarbon combustion system Aug. 28, 1984
4054327 Air brake system with line pressure loss protection Oct. 18, 1977
4000752 Double-jet acting trap primer Jan. 4, 1977











 
 
  Recently Added Patents
Electrowetting display devices with a reflective plate structure
Liquid composite compositions using non-volatile liquids and nanoparticles and uses thereof
Compact ion accelerator source
Method and system of channel detecting and reporting, terminal, and management center
Method and apparatus for predicting object properties and events using similarity-based information retrieval and modeling
Vertical axis wind turbines
Corner wrap for use with a pallet
  Randomly Featured Patents
Advice provided for offering highly targeted advice without compromising individual privacy
Prioritization associated with controller engine instances
Preparation and use of pelletized submicron pigment powder/polymer compositions
Phase detection and aligned signal selection with multiple phases of clocks
Safety belt retractor
Method and system of charging a propulsion battery of an electrically powered vehicle
Heart beat coincidence detection
5-lipoxygenase inhibitors
Tongue and groove board product
Surface configuration of a display wall