Jeffrey C. Warren

Follow

Person

Westford, MA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Scroll pump with controlled axial thermal expansion
- Patent number 7,244,113
- Issue date Jul 17, 2007
- Varian, Inc.
- Anthony G. Liepert
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Compact scroll pump
- Patent number 6,884,047
- Issue date Apr 26, 2005
- Varian, Inc.
- Anthony G. Liepert
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Two stage scroll vacuum pump
- Patent number 6,764,288
- Issue date Jul 20, 2004
- Varian, Inc.
- Anthony G. Liepert
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
Scroll pump with controlled axial thermal expansion
- Publication number 20060078450
- Publication date Apr 13, 2006
- Varian, Inc.
- Anthony G. Liepert
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
COMPACT SCROLL PUMP
- Publication number 20050084403
- Publication date Apr 21, 2005
- Anthony G. Liepert
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Scroll pump using isolation bellows and synchronization mechanism
- Publication number 20050063850
- Publication date Mar 24, 2005
- Anthony G. Liepert
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...