Issued Patents All Time
Showing 25 most recent of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12329994 | Respirator flow control apparatus and method | Garry J. Walker, Desmond T. Curran, Derek A. Parkin, Thomas I. Insley, Mark A. J. Fernandes | 2025-06-17 |
| 12070632 | Method of controlling a powered air purifying respirator | Sean R. Kilmer, Douglas D. Jensen, Keith K. Mclaughlin | 2024-08-27 |
| 12017098 | Method of controlling a powered air purifying respirator | Keith K. Mclaughlin, Douglas D. Jensen, Sean R. Kilmer | 2024-06-25 |
| 11666785 | Method of controlling a powered air purifying respirator | Keith K. Mclaughlin, Douglas D. Jensen, Sean R. Kilmer | 2023-06-06 |
| 11413479 | Method of controlling a powered air purifying respirator | Sean R. Kilmer, Douglas D. Jensen, Keith K. Mclaughlin | 2022-08-16 |
| 11278749 | Method of controlling a powered air purifying respirator | Keith K. Mclaughlin, Douglas D. Jensen, Sean R. Kilmer | 2022-03-22 |
| 11130008 | Respirator flow control apparatus and method | Garry J. Walker, Desmond T. Curran, Derek A. Parkin, Thomas I. Insley, Mark A. J. Fernandes | 2021-09-28 |
| 10441828 | Powered air-purifying respirator | Desmond T. Curran, Garry J. Walker, Terence M. Sayers, Christopher P. Henderson, Bengt Kallman | 2019-10-15 |
| 10391337 | Respirator assembly with air flow direction control | Desmond T. Curran, Garry J. Walker | 2019-08-27 |
| 10137320 | Respirator flow control apparatus and method | Garry J. Walker, Desmond T. Curran, Derek A. Parkin, Thomas I. Insley, Mark A. J. Fernandes | 2018-11-27 |
| 9744493 | Air filtration device | Pierre Legare, Gary E. Dwyer, Simon James Smith | 2017-08-29 |
| D739007 | Powered air purifying respirator unit control panel | Bengt Kallman, Christopher N. Findlay | 2015-09-15 |
| D739008 | Powered air purifying respirator unit cover | Desmond T. Curran, Christopher N. Findlay | 2015-09-15 |
| 9119979 | Method of controlling a powered air purifying respirator | Desmond T. Curran, Alan Lee, Vladimir Dubrovskii, Bengt Kallman, Bengt Garbergs | 2015-09-01 |
| 9056284 | Chlorine resistant amides, polyamides, and membranes made from the same | Robert L. Riley, Yuliana E. Porras Mendoza | 2015-06-16 |
| 8936022 | Air delivery apparatus for respirator hood | Garry J. Walker, Desmond T. Curran | 2015-01-20 |
| 8807275 | Sound absorbent barrier | Peter L. Wilson | 2014-08-19 |
| D666288 | Window in turbo unit cover | Michael Bainton, Martin Birath, Desmond T. Curran, Oskar Juhlin, Stuart James King | 2012-08-28 |
| D657445 | Belt | Desmond T. Curran, James J. May, Michael Bainton, Stuart James King | 2012-04-10 |
| 8123945 | Method for making high flux, high salt rejection cellulose desalting membranes | Saied Delagah, Robert L. Riley | 2012-02-28 |
| D632375 | Air blowers | Desmond T. Curran, Alan Lee, Daniel Paul Charles Tyce, James J. May, Michael Bainton +1 more | 2011-02-08 |
| 7806275 | Chlorine resistant polyamides and membranes made from the same | Balasingam Murugaverl, Robert L. Riley | 2010-10-05 |
| D612337 | Remote controller | Desmond T. Curran, Alan Lee, Daniel Paul Charles Tyce, James J. May, Michael Bainton +1 more | 2010-03-23 |
| 6176899 | Water treatment process for neutralizing gas supersaturation | Robert L. Riley, Scott Roy Irvine | 2001-01-23 |
| 5998634 | One-step synthesis of vitamin-C (L-ascorbic acid) | Lisa Henthorne | 1999-12-07 |