Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8714915 | Solid particle diversion in an axial flow steam turbine | David Paul Blatchford, Brian Robert Haller | 2014-05-06 |
| 8262359 | Diaphragm for turbomachines and method of manufacture | David Littlewood, David Paul Blatchford, Peter Frank Critchley, Adrian Lord | 2012-09-11 |