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Benjamin R. Willitts
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Lawrenceville, NJ, US
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Patents Grants
last 30 patents
Information
Patent Grant
Highly energy efficient heat reclamation means for food display cas...
Patent number
4,535,603
Issue date
Aug 20, 1985
Emhart Industries, Inc.
Benjamin R. Willitts
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Pressure control means for refrigeration systems of the energy cons...
Patent number
4,430,866
Issue date
Feb 14, 1984
Emhart Industries, Inc.
Benjamin R. Willitts
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Energy conservation system having improved means for controlling re...
Patent number
4,231,229
Issue date
Nov 4, 1980
Emhart Industries, Inc.
Benjamin R. Willitts
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Refrigeration system utilizing saturated gaseous refrigerant for de...
Patent number
4,167,102
Issue date
Sep 11, 1979
Emhart Industries, Inc.
Benjamin R. Willitts
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Automatic defrost control for refrigeration systems
Patent number
4,151,722
Issue date
May 1, 1979
Emhart Industries, Inc.
Benjamin R. Willitts
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Refrigeration and hot gas defrost system
Patent number
4,012,921
Issue date
Mar 22, 1977
Emhart Industries, Inc.
Benjamin R. Willitts
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...