Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8178586 | Method for reducing the viscosity of viscous fluids | Philip Fletcher, Michael John Crabtree, Nicholas John Crowther | 2012-05-15 |
| 7745500 | Method for reducing the viscosity of viscous fluids | Philip Fletcher, Michael John Crabtree, Nicholas John Crowther | 2010-06-29 |
| 7651981 | Recovering materials | Nicholas John Crowther, James G. Murray, Austin Tobin | 2010-01-26 |
| 7559370 | Restricting fluid passage and novel materials therefor | Michael John Crabtree, Nicholas John Crowther, Philip Fletcher | 2009-07-14 |
| 7202300 | Dispersion | Nicholas John Crowther | 2007-04-10 |
| 6660802 | Polymeric material | Nicholas John Crowther | 2003-12-09 |