Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Engineering
Class Information
Number: 137/406
Name: Fluid handling > Liquid level responsive or maintaining systems > By weight of accumulated fluid > In communicating measuring vessel
Description: Apparatus in which the weight or pressure head of the liquid is sensed in a vessel which is separate from the liquid accumulation but is in communication therewith.










Sub-classes under this class:

Class Number Class Name Patents
137/407 Top and bottom connections 2


Patents under this class:

Patent Number Title Of Patent Date Issued
6325094 Self-metering reservoir Dec. 4, 2001
6019114 Self-metering reservoir Feb. 1, 2000
5715856 Liquid flow control apparatus Feb. 10, 1998
5358003 Method and apparatus for maintaining level of water in above-ground swimming pools Oct. 25, 1994
5154205 Method and apparatus for maintaining level of water in above-ground swimming pools Oct. 13, 1992
4607658 Water level control device Aug. 26, 1986
4598733 Apparatus for detecting the volume of blood in a blood reservoir Jul. 8, 1986
4448210 Apparatus and method for controlling the level of a liquid in a tank May. 15, 1984
3938539 Apparatus for leading off air in connection with the measuring of the flow of a liquid Feb. 17, 1976











 
 
  Recently Added Patents
Data communication apparatus, method of controlling the same, program, and storage medium
Negative active material for a rechargeable lithium battery, a method of preparing the same, and a rechargeable lithium battery comprising the same
Sensor controller, navigation device, and sensor control method
Messenger bag
Key management system
Method of generating integrated circuit model
Drive coil, measurement probe comprising the drive coil and methods utilizing the measurement probe
  Randomly Featured Patents
Substituted 3-phenyl-5-alkoxy-1,3,4-oxadiazol-2-ones, their preparation and their use in medicaments
Apparatus for marking a vehicle
Reformer and fuel cell system having the same
Beverage bottle
Liquid crystal display and method of manufacturing the same and method of driving the same
Synthesis of 8-amino boron dipyrromethenes having blue fluorescence
Flambeau torch
Preserving data frame continuity across full-duplex LAN interface with disparate data capacities
Valve manifold mounting bracket
Biosensor, biosensor chip and biosensor device