Randy E. Dewhirst

Person

Onalaska, WI, US

People

Patents Grantslast 30 patents

Information Patent Grant
Internal oil filter element for refrigeration compressor
- Patent number 6,341,948
- Issue date Jan 29, 2002
- American Standard International Inc.
- Randy E. Dewhirst
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Centrifugal impeller assembly
- Patent number 6,290,467
- Issue date Sep 18, 2001
- American Standard International Inc.
- Randy E. Dewhirst
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Internal oil filter element for refrigeration compressor
- Patent number 6,206,653
- Issue date Mar 27, 2001
- American Standard Inc.
- Randy E. Dewhirst
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Lobed pinion drive shaft for refrigeration compressor
- Patent number 6,068,457
- Issue date May 30, 2000
- American Standard Inc.
- Randy E. Dewhirst
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Centrifugal compressor oil sump demister apparatus
- Patent number 6,018,962
- Issue date Feb 1, 2000
- American Standard Inc.
- Randy E. Dewhirst
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Screw compressor bearing arrangement with positive stop to accommod...
- Patent number 4,730,995
- Issue date Mar 15, 1988
- American Standard Inc.
- Randy E. Dewhirst
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents

Information Patent Application
Centrifugal impeller assembly
- Publication number 20020028142
- Publication date Mar 7, 2002
- Randy E. Dewhirst
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
Internal oil filter element for refrigeration compressor
- Publication number 20010000226
- Publication date Apr 12, 2001
- Randy E. Dewhirst
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Randy E. Dewhirst

Person

Patents Grantslast 30 patents

Internal oil filter element for refrigeration compressor

Centrifugal impeller assembly

Internal oil filter element for refrigeration compressor

Lobed pinion drive shaft for refrigeration compressor

Centrifugal compressor oil sump demister apparatus

Screw compressor bearing arrangement with positive stop to accommod...

Patents Applicationslast 30 patents

Centrifugal impeller assembly

Internal oil filter element for refrigeration compressor