Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10767486 | Mistuned concentric airfoil assembly and method of mistuning same | Richard K. Hayford | 2020-09-08 |
| 10633988 | Ring stator | Paul W. Baumann, Colin G. Amadon | 2020-04-28 |
| 10119403 | Mistuned concentric airfoil assembly and method of mistuning same | Richard K. Hayford | 2018-11-06 |
| 9821401 | High toughness weld metals with superior ductile tearing resistance | Douglas P. Fairchild, Mario L. Macia, Nathan E. Nissley, Raghavan Ayer, Hyun-Woo Jin +1 more | 2017-11-21 |
| 9353767 | Stator anti-rotation device | Robert B. Richardson, Kevin C. Eckland, Kishore Kumar Madduri, Chandrashekar Vaddatti, Ramesh Ankam | 2016-05-31 |
| 8637166 | High strength nickel alloy welds through strain hardening | Raghavan Ayer, Neeraj S. Thirumalai, Hyun-Woo Jin, Daniel B. Lillig, Douglas P. Fairchild | 2014-01-28 |
| 8426033 | High strength nickel alloy welds through precipitation hardening | Raghavan Ayer, Neeraj S. Thirumalai, Hyun-Woo Jin, Daniel B. Lillig, Douglas P. Fairchild | 2013-04-23 |
| 8168306 | Weld metal compositions for joining steel structures in the oil and gas industry | Raghavan Ayer, Neeraj S. Thirumalai, Daniel B. Lillig, Douglas P. Fairchild | 2012-05-01 |
| 8141768 | Application of high integrity welding and repair of metal components in oil and gas exploration, production and refining | Neeraj S. Thirumalai, James R. Rigby, Mark W. Biegler, Narasimha-Rao Venkata Bangaru, Jayoung Koo +3 more | 2012-03-27 |
| 7874471 | Butt weld and method of making using fusion and friction stir welding | Douglas P. Fairchild, Amit Kumar, Nathan E. Nissley, Nicholas E. Biery, Mario L. Macia | 2011-01-25 |
| 5975241 | Pump jack handle assembly | Robert P. Berish | 1999-11-02 |
| 5259478 | Pump jack with release mechanism | Robert P. Berish | 1993-11-09 |