Fluid handling – Systems – Flow path with serial valves and/or closures
Reexamination Certificate
2006-04-04
2006-04-04
Fox, John (Department: 3753)
Fluid handling
Systems
Flow path with serial valves and/or closures
C137S625330, C251S061100
Reexamination Certificate
active
07021333
ABSTRACT:
Reverse Flow Modifiable Combination Valve is a valve which has a common cage in which different types of fluid control means can be installed in a fix location to produce more than one type of valves having different flow characteristics, and inner flow control means of the valve can be inspected and replaced without removing cage of the valve.
REFERENCES:
patent: 5020571 (1991-06-01), Tartaglia et al.
patent: 5069248 (1991-12-01), Gill
patent: 6505646 (2003-01-01), Singleton
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