Resources Contact Us Home
Browse by Category: Main > Engineering
Class Information
Number: 137/286
Name: Fluid handling > Hydrant type > Movable riser actuated valve
Description: Apparatus in which the riser serves as the actuator for the valve, i.e., movement of the riser in a predetermined manner actuates the valve.

Sub-classes under this class:

Class Number Class Name Patents
137/287 Reciprocating riser 4

Patents under this class:

Patent Number Title Of Patent Date Issued
8644993 Method of controlling the flow rate of the liquid by controlling operation of the pump Feb. 4, 2014
5115833 Ground hydrant with ninety-degree water flow turn-off ball valve below frost line May. 26, 1992

  Recently Added Patents
Erasing a non-volatile memory (NVM) system having error correction code (ECC)
Pixel circuit
Flexure with insulating layer isolating a portion of a metal substrate
Programming of DIMM termination resistance values
Method and system for enabling rendering of electronic media content via a secure ad hoc network configuration utilizing a handheld wireless communication device
Actuators and moveable elements with position sensing
Behavioral fingerprint based authentication
  Randomly Featured Patents
Centrifugal separator
Portable printer with RFID encoder
System for distributed task execution
Measuring and monitoring the size of particulate material
Antenna apparatus
Speed control apparatus for elevator
Method for forming a display cell with counter-electrode contact pick-up
Fluid level detector
Modular connector
Measuring device