Imperial Research LLC

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Pevely, MO, US

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Patents Grantslast 30 patents

Information Patent Grant
Gapless screw rotor device
- Patent number 7,008,201
- Issue date Mar 7, 2006
- Imperial Research LLC
- Charles K. Heizer
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Offset thread screw rotor device
- Patent number 6,913,452
- Issue date Jul 5, 2005
- Imperial Research LLC
- Charles K. Heizer
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Twin screw rotor device
- Patent number 6,719,548
- Issue date Apr 13, 2004
- Imperial Research LLC
- Charles K. Heizer
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Offset thread screw rotor device
- Patent number 6,719,547
- Issue date Apr 13, 2004
- Imperial Research LLC
- Charles K. Heizer
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Offset thread screw rotor device
- Patent number 6,599,112
- Issue date Jul 29, 2003
- Imperial Research LLC
- Charles K. Heizer
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents

Information Patent Application
Air cycle system with variable mix recuperator
- Publication number 20070084225
- Publication date Apr 19, 2007
- Imperial Research LLC
- Charles K. Heizer
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Trademarklast 30 trademarks