Mark D. Hellie

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Westland, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Compact low frequency resonator
- Patent number 8,381,871
- Issue date Feb 26, 2013
- Visteon Global Technologies, Inc.
- Mark Donald Hellie
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Sound generator with structurally and acoustically coupled sound ra...
- Patent number 7,845,466
- Issue date Dec 7, 2010
- Visteon Global Technologies, Inc.
- John David Kostun
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Continuously variable tuned resonator
- Patent number 7,690,478
- Issue date Apr 6, 2010
- Visteon Global Technologies, Inc.
- John David Kostun
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Modular resonator
- Patent number 7,225,780
- Issue date Jun 5, 2007
- Visteon Global Technologies, Inc.
- Roger J. Khami
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Multi-chamber resonator
- Patent number 6,684,842
- Issue date Feb 3, 2004
- Visteon Global Technologies, Inc.
- Mark D. Hellie
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

Information Patent Application
SOUND GENERATOR WITH STRUCTURALLY AND ACOUSTICALLY COUPLED SOUND RA...
- Publication number 20090057054
- Publication date Mar 5, 2009
- John David Kostun
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Continuously variable tuned resonator
- Publication number 20080066999
- Publication date Mar 20, 2008
- John David Kostun
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Modular resonator
- Publication number 20060231054
- Publication date Oct 19, 2006
- Visteon Global Technologies, Inc.
- Roger J. Khami
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Dual chamber variable geometry resonator
- Publication number 20060086564
- Publication date Apr 27, 2006
- Visteon Global Technologies, Inc.
- John D. Kostun
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES