Resources Contact Us Home
Browse by Category: Main > Engineering
Class Information
Number: 137/188
Name: Fluid handling > Diverse fluid containing pressure systems > Fluid separating traps or vents > Discriminating outlet for liquid > With fluid responsive valve > Level responsive > Weight or pressure
Description: Separating traps wherein the valve is responsive to the weight or pressure of accumulated liquid.

Sub-classes under this class:

Class Number Class Name Patents
137/189 Gravitating vessel 2

Patents under this class:

Patent Number Title Of Patent Date Issued
7890220 Low overhead closed loop control system Feb. 15, 2011
6595234 Auto-drain unit Jul. 22, 2003
5531241 Condensate trap and drain for systems under pressure Jul. 2, 1996
5524665 Level control system for gas-liquid separators Jun. 11, 1996
5259871 Deaeration device for oil-fired equipment Nov. 9, 1993
RE32695 Method and apparatus for treating fluent materials Jun. 14, 1988
4467826 Device for preventing the co-measuring of gaseous admixtures in the dispensing of liquids Aug. 28, 1984
4419301 Method and apparatus for treating fluent materials Dec. 6, 1983
4186740 Method and apparatus for regulating intravenous flow of a liquid Feb. 5, 1980
3968812 Apparatus for removal of condensed moisture from respiratory tubes Jul. 13, 1976

  Recently Added Patents
Systems and methods for advertising on content-screened web pages
Inhibition of HRP-3 using modified oligonucleotides
Methods and apparatus for ultrasonic cleaning
Patient programmer with automated MRI compatibility verification for active implantable medical device
Apparatus and method for extracting cascading style sheet rules
  Randomly Featured Patents
Detection of melanoma or breast metastasis with a multiple marker assay
Method for inhibiting chymopapain and papain enzyme activity with polysaccharides of animal origin
Airfoil trailing edge cooling construction
Method for providing priority interrupts in an electrophotographic machine
Semiconductor constructions
Hay rake
Developing device
Identification of pharmacophores from co-crystals of spleen tyrosine kinase (SYK) and SYK ligands
Method for preventing power collapse in electric power systems
Vehicle rear seat