John P. Hartley

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Blaine, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for pressure relief in an exhaust brake
- Patent number 8,011,347
- Issue date Sep 6, 2011
- Jenara Enterprises, Ltd.
- Andre F. Lhote
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Apparatus and method for pressure relief in an exhaust brake
- Patent number 7,765,981
- Issue date Aug 3, 2010
- Jenara Enterprises Ltd.
- Andre F. Lhote
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Exhaust gas control valve, apparatus and method of controlling exha...
- Patent number 7,063,099
- Issue date Jun 20, 2006
- Jenara Enterprises Ltd.
- John P. Hartley
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Exhaust gas control valve, apparatus and method of controlling exha...
- Patent number 6,880,572
- Issue date Apr 19, 2005
- Jenara Enterprises Ltd.
- John P. Hartley
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
APPARATUS AND METHOD FOR PRESSURE RELIEF IN AN EXHAUST BRAKE
- Publication number 20100293932
- Publication date Nov 25, 2010
- Andre F. LHOTE
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Apparatus and method for retarding an engine with an exhaust brake...
- Publication number 20050224046
- Publication date Oct 13, 2005
- JENARA ENTERPRISES LTD.
- Mark A. Israel
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Exhaust gas control valve, apparatus and method of controlling exha...
- Publication number 20050183782
- Publication date Aug 25, 2005
- Jenara Enterprises Ltd.
- John P. Hartley
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Exhaust gas control valve, apparatus and method of controlling exha...
- Publication number 20030234378
- Publication date Dec 25, 2003
- John P. Hartley
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Apparatus and method to operate an engine exhaust brake together wi...
- Publication number 20030178002
- Publication date Sep 25, 2003
- Mark A. Israel
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS