Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7655077 | Air treatment system | — | 2010-02-02 |
| 6605132 | Air treatment system | — | 2003-08-12 |
| 6568100 | Gas dryer | Colin Billiet, Desideratus Julius Sienack | 2003-05-27 |
| 6526674 | Gas dryer | Colin Billiet, Desideratus Julius Sienack | 2003-03-04 |
| 5927084 | Air conditioning system | — | 1999-07-27 |
| 5225073 | Apparatus for separating contaminant from water | Colin Billiet | 1993-07-06 |
| 5196117 | Apparatus for separating oil from an oil/water mixture | Colin T. Billiett, Anthony Harrop, Paul A. Feather | 1993-03-23 |
| 4944948 | EGF/Liposome gel composition and method | Paul S. Uster, Francis J. Martin | 1990-07-31 |
| 4871122 | Roll dispenser unit | — | 1989-10-03 |
| 4838905 | Filter element and method of making a filter element | Colin Billiet, Stephen Nicholas Smith | 1989-06-13 |
| 4696687 | Filters | Colin Billiet, David Baggett | 1987-09-29 |
| 4668256 | Liquid/gas separation | Colin Billiet, Leslie B. Spark | 1987-05-26 |
| 4634192 | Roller towel apparatus | — | 1987-01-06 |