Howard Roop

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Costa Mesa, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Ballast water treatment systems including related apparatus and met...
- Patent number 8,211,317
- Issue date Jul 3, 2012
- Hap Nguyen
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Ballast water treatment systems including related apparatus and met...
- Patent number 7,351,336
- Issue date Apr 1, 2008
- Hap Nguyen
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Ballast water treatment systems including related apparatus and met...
- Patent number 7,005,074
- Issue date Feb 28, 2006
- Hap Nguyen
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT

Patents Applicationslast 30 patents

Information Patent Application
Ballast water treatment systems including related appratus and methods
- Publication number 20110196814
- Publication date Aug 11, 2011
- MARENCO Technology Group, Inc.
- Hap Nguyen
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Application
Ballast water treatment systems including related apparatus and met...
- Publication number 20050211639
- Publication date Sep 29, 2005
- Hap Nguyen
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Application
Ballast water treatment systems including related apparatus and met...
- Publication number 20040055966
- Publication date Mar 25, 2004
- Hap Nguyen
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT