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Oil level control system
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Patent number 6,125,642
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Issue date Oct 3, 2000
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Sporlan Valve Company
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G. Thomas Seener
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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Expansion and check valve combination
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Patent number 5,524,819
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Issue date Jun 11, 1996
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Sporlan Valve Company
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Joseph H. Heffner
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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Thermostatic expansion valve
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Patent number 5,065,595
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Issue date Nov 19, 1991
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Sporlan Valve Company
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G. Thomas Seener
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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Refrigerant purge valve
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Patent number 4,982,578
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Issue date Jan 8, 1991
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Sporlan Valve Company
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Joseph H. Heffner
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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Expansion and check valve combination
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Patent number 4,964,567
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Issue date Oct 23, 1990
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Sporlan Valve Company
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Joseph H. Heffner
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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Expansion and check valve combination
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Patent number 4,852,364
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Issue date Aug 1, 1989
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Sporlan Valve Company
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G. Thomas Seener
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...