Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE38855 | Centrifugal separator with one or more internal contaminant barriers | Andrew Samways | 2005-10-25 |
| 6238331 | Centrifugal separator with separation funnel | Andrew Samways | 2001-05-29 |
| 6234949 | Centrifugal separator with one or more internal contaminant barriers | Andrew Samways | 2001-05-22 |
| 6196962 | Centrifugal separator with vortex disruption vanes | Ronald J. Purvey | 2001-03-06 |
| 5975245 | Temperature regulating liquid conditioning arrangement | Dominic G E Jephott, Steven C Penny, Ronald J. Purvey | 1999-11-02 |
| 5888383 | Fluid filter arrangement with bypass and shield for small pore size screen | — | 1999-03-30 |
| 5643448 | Spin-on filter assembly incorporating a re-usable tubular filter screen | Henry Martin, Scott A. Rodibaugh | 1997-07-01 |