Refrigeration – With means for charging closed refrigeration producing system
Reexamination Certificate
2006-09-19
2006-09-19
Jones, Melvin (Department: 3744)
Refrigeration
With means for charging closed refrigeration producing system
Reexamination Certificate
active
07107781
ABSTRACT:
A combination pressure measurement/refrigerant charging apparatus may include a shutoff valve that includes a piercing pin and a pressure gauge. The piercing pin may be used to pierce a refrigerant can. The pressure gauge may be used as a handle for operating the shutoff valve. A first end of a hose may be coupled to the shutoff. A quick coupling device may be coupled to a second end of the hose. The quick coupling device may be used to couple the apparatus to a refrigerant system.
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Quest William J.
Whitaker Kerry W.
E.F. Products, Inc.
Jones Melvin
Meyertons Eric B.
Meyertons Hood Kivlin Kowert & Goetzel P.C.
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