Inventor
NARASIMHAN SUNDARAM L
US14 patents
Patents
14 patentsUS4724000AFeb 9, 1988
Powdered metal valve seat insert
EATON CORP54 citations92
US6912984B2Jul 5, 2005
Composite lightweight engine poppet valve
EATON CORP28 citations89
US6718932B1Apr 13, 2004
Lightweight engine poppet valve
EATON CORP26 citations89
US6599345B2Jul 29, 2003
Powder metal valve guide
EATON CORP19 citations89
US6214080B1Apr 10, 2001
Powdered metal valve seat insert
EATON CORP25 citations89
US6139598AOct 31, 2000
Powdered metal valve seat insert
EATON CORP28 citations89
US5271823ADec 21, 1993
Method of making a trivalent chromium plated engine valve
EATON CORP29 citations88
US5441235AAug 15, 1995
Titanium nitride coated valve and method for making
EATON CORP27 citations86
US5293026AMar 8, 1994
Hardsurfacing material for engine components and method for depositing same
EATON CORP28 citations86
US4790473ADec 13, 1988
Process for welding a cast iron wear member to a cam follower
EATON CORP20 citations78
US4270496AJun 2, 1981
Welded article and method of making same
EATON CORP15 citations73
US6676724B1Jan 13, 2004
Powder metal valve seat insert
EATON CORP9 citations71
US7235116B2Jun 26, 2007
High temperature corrosion and oxidation resistant valve guide for engine application
EATON CORP8 citations68
US7651575B2Jan 26, 2010
Wear resistant high temperature alloy
EATON CORP6 citations55