Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4829539 | Temperature thermal history indicating device | Derek Salt | 1989-05-09 |
| 4826645 | Method of making an integral bladed member | — | 1989-05-02 |
| 4786347 | Method of manufacturing an annular bladed member having an integral shroud | — | 1988-11-22 |
| 4747900 | Method of manufacture of compressor rotor assembly | — | 1988-05-31 |
| 4685864 | Hollow aerofoil blade | Derick A. Perry | 1987-08-11 |
| 4453721 | Dual element seals with hydrodynamic support | Jack Palfreyman | 1984-06-12 |
| 4330133 | Dual-ring seal with temperature compensation | Jack Palfreyman, John M. Robertson | 1982-05-18 |