Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10816102 | Erosion resistant steam valve | David Ernest Welch | 2020-10-27 |
| 9279344 | Valve poppet element defining balance chamber | Abhishek Chowdhury, Senthil Kumar Vasudevan | 2016-03-08 |
| 8985143 | Apparatus for monitoring of valves and method of operating the same | David Ernest Welch, Edward Leo Kudlacik | 2015-03-24 |
| 8129041 | Article having a protective coating and methods | Farshad Ghasripoor, David Ernest Welch, Yogesh Kesrinath Potdar | 2012-03-06 |
| 7596428 | Methods and apparatuses for monitoring steam turbine valve assemblies | Yogesh Kesrinath Potdar, David Ernest Welch, Chin-Penn Peter Chan | 2009-09-29 |
| 5941283 | Pressure pulse attenuating fluid supply conduit | — | 1999-08-24 |