Resources Contact Us Home
Browse by Category: Main > Engineering
Class Information
Number: 137/121
Name: Fluid handling > Self-proportioning or correlating systems > Self-controlled branched flow systems > Plural outflows > Alternately or successively substituted outflow > Control by filling outlet tank or receiver
Description: Systems in which the control of the flow is in response to a filling of a tank or receivers receiving fluid from an outflow of the system.

Sub-classes under this class:

Class Number Class Name Patents
137/122 Float controlled 13

Patents under this class:

Patent Number Title Of Patent Date Issued
7395633 Rainwater collection and diverging system Jul. 8, 2008
6219972 Method and apparatus for preventing blockage of a water flow path Apr. 24, 2001
4796787 Apparatus for precisely measuring and supplying liquid Jan. 10, 1989
4550745 Device for discharging a mixture of two liquids Nov. 5, 1985
4347132 Reverse osmosis expansible pressurized permeate storage having permeate and concentrate controls Aug. 31, 1982

  Recently Added Patents
Information obtaining and notification, data message forwarding and handover method and access node
Artificial engine sound control unit, approaching vehicle audible system, and electric vehicle having them
Secure access to customer log data in a multi-tenant environment
Press nut
Liquid crystal display and method of driving the same
Grounding fitting
  Randomly Featured Patents
Coding mode selection using information of other coding modes
Nebulizer apparatus and method
Acceleration sensor chip package
Image data processing apparatus, method, and program that diffuses gradiation error for each pixel in target block
Gem pavilion
Low force lateral photoreceptor or intermediate transfer belt tracking correction system
Multi compartment trash receptacle
Intelligent multiplex system for subsurface wells
System and method for generating ozonated water
Compensated fluid flow control valve