Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12239938 | Gas treatment element and a method of forming a gas treatment element | James Holcroft | 2025-03-04 |
| 11612856 | Gas treatment element and a method of forming a gas treatment element | James Holcroft | 2023-03-28 |
| 10441913 | End cap for an assembly used in the preparation of compressed gas | — | 2019-10-15 |
| 10406467 | Apparatus for contaminant reduction in a stream of compressed gas | — | 2019-09-10 |
| 10376825 | Filter apparatus for filtering a stream of gas | — | 2019-08-13 |
| 9844749 | Pressure swing adsorption apparatus | — | 2017-12-19 |
| 9782716 | Method and apparatus for removing water from compressed air | — | 2017-10-10 |
| 9480945 | Pressure swing adsorption apparatus | — | 2016-11-01 |
| 8845796 | Fluid separation device | Brian Austin | 2014-09-30 |
| 8465571 | Fluid treatment device | — | 2013-06-18 |
| 6568100 | Gas dryer | Robert M. Fielding, Desideratus Julius Sienack | 2003-05-27 |
| 6526674 | Gas dryer | Robert M. Fielding, Desideratus Julius Sienack | 2003-03-04 |
| 6461397 | Filter assembly | — | 2002-10-08 |
| 6440201 | Filter assembly having end cap with separable flow conduit | — | 2002-08-27 |
| 6391197 | Filter assembly | — | 2002-05-21 |
| 5225073 | Apparatus for separating contaminant from water | Robert M. Fielding | 1993-07-06 |
| 4838905 | Filter element and method of making a filter element | Robert M. Fielding, Stephen Nicholas Smith | 1989-06-13 |
| 4786298 | Filter assembly | David Baggett, Alan Bateman | 1988-11-22 |
| 4701258 | Filter housings | David Baggett | 1987-10-20 |
| 4696687 | Filters | David Baggett, Robert M. Fielding | 1987-09-29 |
| 4668256 | Liquid/gas separation | Robert M. Fielding, Leslie B. Spark | 1987-05-26 |
| 4564376 | Filter element and method of making a filter element | — | 1986-01-14 |
| 4537748 | Apparatus for treating compressed air for breathing purposes | — | 1985-08-27 |