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
Solar cell using polymer-dispersed liquid crystals
Pet fish burial pod
Semiconductor device element formed on SOI substrate comprising a hollow region, and having capacitors in an electric field alleviation region
Method of and apparatus for image denoising
Method and apparatus for detection of LVDT core fallout condition
Electromagnetic probe for measuring properties of a subsurface formation
Method and system for checking citations
  Randomly Featured Patents
Countertop griddle
Fuel tank-mounting structure for portable power working machine
Process for producing thick reinforced plastic articles
Ergonomic laptop computer having display positioning supports
Image processing system for forming a slantwise-mapped or rotated modified image of an original image
Latching structure for motherboards
Microfluidic device with controlled substrate conductivity
Consumer product review system using a comparison chart
Negative immunomodulation of immune responses by ERp5
Portable, self-contained soldering system