Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7651575 | Wear resistant high temperature alloy | Maria K. Sawford, Shubhayu Sinharoy, Alojz Kajinic, Andrzej L. Wojcieszynski, Jeryl K. Wright | 2010-01-26 |
| 7235116 | High temperature corrosion and oxidation resistant valve guide for engine application | Heron Rodrigues, Sinharoy Shubhayu, Kevin Martus | 2007-06-26 |
| 6912984 | Composite lightweight engine poppet valve | Sinharoy Shubhayu, Michael Lee Killian, Majo Cecur, Jose F. Masello, Timothy L. Sheren | 2005-07-05 |
| 6718932 | Lightweight engine poppet valve | Majo Cecur, Marco Querio, Sinharoy Shubhayu, Jose F. Masello | 2004-04-13 |
| 6676724 | Powder metal valve seat insert | Yushu Wang, Heron Rodrigues | 2004-01-13 |
| 6599345 | Powder metal valve guide | Yushu Wang, Heron Rodrigues | 2003-07-29 |
| 6214080 | Powdered metal valve seat insert | Heron Rodrigues, Yushu Wang | 2001-04-10 |
| 6139598 | Powdered metal valve seat insert | Heron Rodrigues, Yushu Wang | 2000-10-31 |
| 5441235 | Titanium nitride coated valve and method for making | Stephen B. Caird, Flavio Rigamonti | 1995-08-15 |
| 5293026 | Hardsurfacing material for engine components and method for depositing same | Roger D. Dennis, Michael Lee Killian, Jay M. Larson, Dennis T. Vukovich, Homer D. Wireman | 1994-03-08 |
| 5271823 | Method of making a trivalent chromium plated engine valve | Steven R. Schachameyer, Paul A. Bujalski | 1993-12-21 |
| 4790473 | Process for welding a cast iron wear member to a cam follower | Ronald J. Lake, Jay M. Larson | 1988-12-13 |
| 4724000 | Powdered metal valve seat insert | Jay M. Larson, David L. Bonesteel, John N. Gilmer | 1988-02-09 |
| 4270496 | Welded article and method of making same | Jay M. Larson | 1981-06-02 |