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Heron A. Rodrigues
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Charlotte, NC, US
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Patents Grants
last 30 patents
Information
Patent Grant
High temperature corrosion and oxidation resistant valve guide for...
Patent number
7,235,116
Issue date
Jun 26, 2007
Eaton Corporation
Heron A. Rodrigues
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Powder metal valve seat insert
Patent number
6,676,724
Issue date
Jan 13, 2004
Eaton Corporation
Sundaram L. Narasimhan
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Powder metal valve guide
Patent number
6,599,345
Issue date
Jul 29, 2003
Eaton Corporation
Yushu Wang
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Powdered metal valve seat insert
Patent number
6,214,080
Issue date
Apr 10, 2001
Eaton Corporation
Sundaram L. Narasimhan
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Powdered metal valve seat insert
Patent number
6,139,598
Issue date
Oct 31, 2000
Eaton Corporation
Sundaram L. Narasimhan
B22 - CASTING POWDER METALLURGY
Patents Applications
last 30 patents
Information
Patent Application
High temperature corrosion and oxidation resistant valve guide for...
Publication number
20040237715
Publication date
Dec 2, 2004
Heron A. Rodrigues
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
POWDER METAL VALVE SEAT INSERT
Publication number
20040000283
Publication date
Jan 1, 2004
EATON CORPORATION
Sundaram L. Narasimhan
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
POWDER METAL VALVE GUIDE
Publication number
20030061905
Publication date
Apr 3, 2003
EATON CORPORATION
Yushu Wang
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...