Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6974542 | Method and apparatus for removing foaming contaminants from hydrocarbon processing solvents | — | 2005-12-13 |
| 6602423 | Method and apparatus for removing foaming contaminants from hydrocarbon processing solvents | — | 2003-08-05 |
| 6168647 | Multi-stage vessel and separator/coalescer filter element | Marney Dunman Perry, Jr., John A. Krogue, David J. Burns | 2001-01-02 |
| 6080320 | Method and apparatus for removing foaming contaminants from hydrocarbon processing solvents | — | 2000-06-27 |
| 5919284 | Gas filter separator coalescer and multi-stage vessel | Marney Dunman Perry, Jr., John A. Krogue, David J. Burns | 1999-07-06 |
| 5893956 | Method of making a filter element | Marney Dunman Perry, Jr., Nolan Glover, H. C. Bradford, Floyd Roberts | 1999-04-13 |
| 5827430 | Coreless and spirally wound non-woven filter element | Marney Dunman Perry, Jr., Nolan Glover, H. C. Bradford, Floyd Roberts | 1998-10-27 |