Inventor · disambiguated record
Sundaram L. Narasimhan
Also filed as: NARASIMHAN SUNDARAM L
14 granted patents·322 citations·filing 1978–2007
94Inventor score
Files withEATON CORP14
Top patents by PatentIndex Score
14 records- 0190US4724000APowdered metal valve seat insertEATON CORP·Filed 1986·Granted Feb 9, 1988·54 cites·14 claims
- 0284US6912984B2Composite lightweight engine poppet valveEATON CORP·Filed 2003·Granted Jul 5, 2005·28 cites·18 claims
- 0384US6718932B1Lightweight engine poppet valveEATON CORP·Filed 2003·Granted Apr 13, 2004·26 cites·20 claims
- 0479US6599345B2Powder metal valve guideEATON CORP·Filed 2001·Granted Jul 29, 2003·19 cites·19 claims
- 0577US5271823AMethod of making a trivalent chromium plated engine valveEATON CORP·Filed 1992·Granted Dec 21, 1993·29 cites·8 claims
- 0672US7651575B2Wear resistant high temperature alloyEATON CORP·Filed 2007·Granted Jan 26, 2010·6 cites·15 claims
- 0771US7235116B2High temperature corrosion and oxidation resistant valve guide for engine applicationEATON CORP·Filed 2003·Granted Jun 26, 2007·8 cites·18 claims
- 0870US6139598APowdered metal valve seat insertEATON CORP·Filed 1998·Granted Oct 31, 2000·28 cites·8 claims
- 0967US6214080B1Powdered metal valve seat insertEATON CORP·Filed 1999·Granted Apr 10, 2001·25 cites·10 claims
- 1067US5441235ATitanium nitride coated valve and method for makingEATON CORP·Filed 1994·Granted Aug 15, 1995·27 cites·5 claims
- 1165US6676724B1Powder metal valve seat insertEATON CORP·Filed 2002·Granted Jan 13, 2004·9 cites·19 claims
- 1264US5293026AHardsurfacing material for engine components and method for depositing sameEATON CORP·Filed 1991·Granted Mar 8, 1994·28 cites·15 claims
- 1364US4790473AProcess for welding a cast iron wear member to a cam followerEATON CORP·Filed 1987·Granted Dec 13, 1988·20 cites·7 claims
- 1461US4270496AWelded article and method of making sameEATON CORP·Filed 1978·Granted Jun 2, 1981·15 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →