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Class 137/144 - With leakage or entrained air removal


Subclass of Class 137 - Fluid handling
Definition: Apparatus having means for removing air which accumulates
No. of patents: 4
Last issue date: 11/05/2002


NumberTitleIssue Date
6474356Device for controlling a liquid flow
A device for controlling a liquid flow by a gas pressure. The device includes a pressure chamber, in which an overpressure, an underpressure or atmospheric pressure may prevail. The pressure in the pressure chamber can be used for allowing the liquid flow...
11/05/2002
5035535Device for regulating the flow in a drainage siphon tube
A device for regulating the flow in a drainage siphon tube, includes a rigid tube connected to the outlet end of the siphon tube. The rigid tube is placed on a brace such that it can oscillate around a horizontal axis by means of a counter-weight. Pivotin...
07/30/1991
4802897Recovery of gases from non-viscous solvents
A process and apparatus for separating a volatile gas from a liquid in which it is dissolved. The liquid flows through a conduit having obstructions to cause separation by centripetal forces created as the liquid flows around the obstruction. The gases th...
02/07/1989
4102523Vehicle sewage hose support system
A sewage hose support system for recreational vehicles of a type using an elongated sewage hose leading to a sewer pipe. The system having an elongated support assembly module, having upwardly facing hose-engaging surfaces for engaging the right and left ...
07/25/1978
 
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