WorkSmart Energy Enterprises, Inc.

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Washington, DC, US

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Patents Grantslast 30 patents

Information Patent Grant
Reciprocating compressor with auxiliary port
- Patent number 6,318,977
- Issue date Nov 20, 2001
- WorkSmart Energy Enterprises, Inc.
- William Leslie Kopko
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Control system for a refrigerator with two evaporating temperatures
- Patent number 6,286,326
- Issue date Sep 11, 2001
- WorkSmart Energy Enterprises, Inc.
- William Leslie Kopko
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Combined variable-speed drive and speed reducer for pumps and fans
- Patent number 5,947,854
- Issue date Sep 7, 1999
- WorkSmart Energy Enterprises, Inc.
- William L. Kopko
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

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