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
Storage basket with lid
Bipolar transistor with diffused layer between deep trench sidewall and collector diffused layer
Nacelle cover
Pressure roller and fixing device equipped with the same
Apparatus for electrographic printing or copying
Vehicle running control system
Compositions substantially free of sodium chloride and methods for the storage of red blood cells
  Randomly Featured Patents
Field effect controllable semiconductor component with improved inverse diode and production methods therefor
Nonlinear optical composites of metal cluster laden polymers
Rubber composition for coating a steel wire material
Solar heating apparatus
Device for alphanumeric arabic display for printing
Differential circuit with improved linearity
Grill lid
Fixing element for anchoring in a hole drilled in a concrete part
Audio encoder, audio decoder and related methods for processing multi-channel audio signals using complex prediction
Fluidized bed with sloped aperture plate