Resources Contact Us Home
Browse by Category: Main > Engineering
Class Information
Number: 137/211.5
Name: Fluid handling > Diverse fluid containing pressure systems > Gas pressure storage over or displacement of liquid > With gas maintenance or application > Gas injected by liquid pressure or flow
Description: Apparatus including means to apply gas pressure over the liquid said means utilizing the pressure of flow of the liquid to apply the gas.

Patents under this class:

Patent Number Title Of Patent Date Issued
7028488 Method and apparatus to minimize fractionation of fluid blend during transfer Apr. 18, 2006
5862946 Gas dissolution under pressure Jan. 26, 1999
5647392 Air regulation system for hydropneumatic reservoir Jul. 15, 1997
5205316 Air/water volume control system Apr. 27, 1993
4659291 Hydroelectric switch for controlling electric motor driven pump Apr. 21, 1987
3991783 System for rapidly building an air cushion over liquid in a tank Nov. 16, 1976
3964479 Extracorporeal blood circulation system and drip chamber with adjustable blood level Jun. 22, 1976

  Recently Added Patents
Method of manufacturing III-nitride crystal
Patterned MR device with controlled shape anisotropy
Methods, systems, and products for providing communications services
Apparatus, system, and method for non-interruptively updating firmware on a redundant hardware controller
Systems and methods for providing a video playlist
High brightness laser diode module
Portable hand-held multi-function device for storing, managing and combining rewards
  Randomly Featured Patents
Toner cartridge
Method and apparatus for fabrication of polarization maintaining fused couplers
Water base ink for ink-jet recording
Plug connector with improved cable strain relief
Infrared measurement for the rapid enumeration of microbial concentrations
Hair dyeing method using an aliphatic cationic amine and compound chosen from an aldehyde, a ketone, a quinone, a di-imino-isoindoline, and a 3-aminoisoindolone derivative
Vertically integrated advanced transistor formation
Toy, doll or mannequin with dimensionally varible exterior surface
Material in the form of a web or of sheets for the manufacture of packing containers or parts thereof
Combined door stop and receptacle unit