Joel S. Duga

Follow

Person

Onalaska, WI, US

People

Patents Grantslast 30 patents

Information Patent Grant
Terminal assembly for refrigeration compressor
- Patent number 9,634,538
- Issue date Apr 25, 2017
- TRANE INTERNATIONAL INC.
- Todd Wayne Smith
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
System for protecting bearings and seals of a refrigerant compressor
- Patent number 7,922,467
- Issue date Apr 12, 2011
- Trane International Inc.
- Robert M. Swanson
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Centrifugal chiller with high voltage unit-mounted starters
- Patent number 6,679,076
- Issue date Jan 20, 2004
- American Standard International Inc.
- Joel S. Duga
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Tube and shell evaporator operable at near freezing
- Patent number 6,244,058
- Issue date Jun 12, 2001
- American Standard International Inc.
- Joel S. Duga
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Patents Applicationslast 30 patents

Information Patent Application
TERMINAL ASSEMBLY FOR REFRIGERATION COMPRESSOR
- Publication number 20150038016
- Publication date Feb 5, 2015
- Trane International Inc.
- Todd Wayne Smith
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
System for protecting bearings and seals of refrigerant compressor
- Publication number 20110179644
- Publication date Jul 28, 2011
- Trane International Inc.
- Robert M. Swanson
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
System for protecting bearings and seals of a refrigerant compressor
- Publication number 20080166246
- Publication date Jul 10, 2008
- American Standard International Inc
- Robert M. Swanson
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
Bearing protection for inverter-driven motor
- Publication number 20070201995
- Publication date Aug 30, 2007
- American Standard International Inc
- Michael R. Harstad
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...