Fluid handling – Processes
Reexamination Certificate
2008-03-04
2008-03-04
Lee, Kevin (Department: 3753)
Fluid handling
Processes
C137S266000, C137S255000
Reexamination Certificate
active
07337794
ABSTRACT:
The invention is a method and apparatus for delivering large volumes of nitrogen gas, air, or other gas at high pressures from banks of high pressure cylinders and releasing that gas at the rate required by the operation. Not only can higher flow rates be achieved, but the absence of motors or engines can be an advantage in hazardous areas and can increase the reliability of the delivery of the gas. In addition, as compared to using liquid nitrogen, which typically must be delivered from a remote air separation plant, these banks of cylinders can then be recharged with gas by portable compressors or nitrogen generators.
REFERENCES:
patent: 5562776 (1996-10-01), Sapru et al.
patent: 5673735 (1997-10-01), Crvelin et al.
patent: 6051183 (2000-04-01), Morando
patent: 6418962 (2002-07-01), Wozniak et al.
Alghurairi Saad Hassan M.
Brigham Willaim
Lee Kevin
Medra Arabia Trading
Myers Dawes Andras & Sherman LLP
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