Issued Patents All Time
Showing 25 most recent of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12324528 | Paper-based peg hook | Mariah T. VanLeeuwen, Richard A. Wilson, Michael S. Wilcox | 2025-06-10 |
| 11937712 | Paper-based peg hook | Mariah T. VanLeeuwen, Richard A. Wilson, Michael S. Wilcox | 2024-03-26 |
| 9004449 | Conical rotary valve for chromatographic applications | Yves Gamache | 2015-04-14 |
| 8851452 | Self-aligned plunger for chromatographic valve | Yves Gamache | 2014-10-07 |
| 8794594 | Temperature compensated valve for gas chromatography | Yves Gamache | 2014-08-05 |
| 8469057 | Diaphragm-sealed valve having a locking mechanism | Yves Gamache | 2013-06-25 |
| 8239171 | System and method of eliminating interference for impurities measurement in noble gases | Yves Gamache | 2012-08-07 |
| 8104506 | Diaphragm-sealed valve having intermediate communication ports | Yves Gamache | 2012-01-31 |
| 7931043 | Diaphragm-sealed valve with process purging groove | Yves Gamache | 2011-04-26 |
| 7824471 | Chromatographic systems and methods for eliminating interference from interfering agents | Yves Gamache | 2010-11-02 |
| D602751 | Spade head | David Boies, Marie-Claude Guay | 2009-10-27 |
| D596906 | Handle | David Boies, Marie-Claude Guay | 2009-07-28 |
| D594727 | Axe | Patrick Julien, Simon Lamarre, Marie-Claude Guay | 2009-06-23 |
| D592920 | Hand tool | David Boies, Marie-Claude Guay | 2009-05-26 |
| 7503203 | Rotary valve and analytical chromatographic system using the same | Yves Gamache | 2009-03-17 |
| D583641 | Hatchet | Patrick Julien, Simon Lamarre, Marie-Claude Guay | 2008-12-30 |
| 7451634 | Chromatographic methods for measuring impurities in a gas sample | Yves Gamache | 2008-11-18 |
| D546641 | Combined hoe/cultivator and handle | — | 2007-07-17 |
| D546145 | Combined level head rake and handle | — | 2007-07-10 |
| D545647 | Combined leaf rake and handle | — | 2007-07-03 |
| 7216528 | Diaphragm-sealed valve, analytical chromatographic system and method using the same | Yves Gamache | 2007-05-15 |
| D534045 | Round point shovel | — | 2006-12-26 |
| D533754 | Garden spade | — | 2006-12-19 |
| D527960 | square point shovel and handle therefor | — | 2006-09-12 |
| 7028563 | Fluid sampling system and method thereof | Yves Gamache | 2006-04-18 |