Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Engineering
Class Information
Number: 137/283
Name: Fluid handling > Hydrant type > Removable valve and valve seat
Description: Apparatus in which a valve and its valve seat are so arranged as to facilitate removal, usually where the valve opens downwardly.










Sub-classes under this class:

Class Number Class Name Patents
137/284 With extension to facilitate removal 0


Patents under this class:

Patent Number Title Of Patent Date Issued
8683831 Locking cover plate arrangement Apr. 1, 2014
8302623 Anti-backflow insert for a fire hydrant outlet Nov. 6, 2012
7975720 Ball valve cartridge for use with remote handle Jul. 12, 2011
6929022 Fire hydrant valve seat flange Aug. 16, 2005
D504546 Canine relief station having watering outlet with internal water reservoir Apr. 26, 2005
5441074 Unitized hydrant valve assembly Aug. 15, 1995
5368064 Unitized hydrant valve Nov. 29, 1994
4748997 High pressure hydrant repair apparatus and method of repair Jun. 7, 1988
4303223 Valve facing for sliding valve elements or the like Dec. 1, 1981
4073307 Valve for fire hydrants Feb. 14, 1978
3980097 Fire hydrant with drain valve and backflow preventer mechanism Sep. 14, 1976
3980096 Fire hydrant Sep. 14, 1976
3943963 Frostproof hydrants for use in fluid handling Mar. 16, 1976











 
 
  Recently Added Patents
System and method for oscillator frequency control
Electrode for a plasma torch
Satellite fleet deployment
Method for the analysis of solid objects
Liquid-level sensor
Techniques for distributed storage aggregation
Method for the synthesis of an array of metal nanowire capable of supporting localized plasmon resonances and photonic device comprising said array
  Randomly Featured Patents
Fuel tank valve device and fuel tank ventilation device
Metabolic syndrome-improving agent and medicine, supplement, functional food and food additive containing the same
Therapeutic compositions for treatment of a damaged tissue
Web adjuster with locking bar
Process for defining ultra-thin geometries
Substrate for an integrated circuit package and a method of forming a substrate
Data mining for targeted republishing
Swirl generator with axial vanes
Fuel delivery system for a vehicle
Gem faceting machine having an adjustable faceting head support assembly