Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12326142 | Diaphragm position control system | Dustin Featherstone, Scott C. Losey | 2025-06-10 |
| 10947375 | System and process for the production of functionalized olefinic-based polymer | Yu Wang, Michael F. McDonald, Joseph A. Maier, Richard Cheng-Ming Yeh, Leming Gu +2 more | 2021-03-16 |
| 10807064 | Reactor for multi-phase composition | Yu Wang, Michael F. McDonald, Joseph A. Maier | 2020-10-20 |
| 10717063 | Reactor system for multi-phase polymerization process | Richard Cheng-Ming Yeh, Michael F. McDonald, Joseph A. Maier | 2020-07-21 |
| 9964106 | Diaphragm pump with dual spring overfill limiter | — | 2018-05-08 |
| 8354473 | Halogenation processes | David Yen-Lung Chung, Michael F. McDonald, Robert N. Webb | 2013-01-15 |
| 8148450 | Process to produce a hydrocarbon rubber cement utilizing a hydrofluorocarbon diluent | Michael F. McDonald, Scott T. Milner, Timothy D. Shaffer, Robert N. Webb | 2012-04-03 |
| 7910662 | Halogenation processes | David Yen-Lung Chung, Michael F. McDonald, Robert N. Webb | 2011-03-22 |
| 7699962 | Processes utilizing extractive distillation | Michael F. McDonald, Ralph Howard Schatz, Claude Gautier | 2010-04-20 |
| 7665974 | Diaphragm pump position control with offset valve axis | — | 2010-02-23 |
| 7467582 | Pump diaphragm rupture detection | — | 2008-12-23 |
| 7425120 | Diaphragm position control for hydraulically driven pumps | — | 2008-09-16 |
| 7101158 | Hydraulic balancing magnetically driven centrifugal pump | Francis Dupuis | 2006-09-05 |
| 7090474 | Diaphragm pump with overfill limiter | Kenneth E. Lehrke | 2006-08-15 |
| 6941853 | Pump diaphragm rupture detection | — | 2005-09-13 |
| 6899530 | Diaphragm pump with a transfer chamber vent with a longitudinal notch on the piston cylinder | Kenneth E. Lehrke | 2005-05-31 |
| 6858690 | Process for polymerizing cationically polymerizable monomers | Robert N. Webb, Michael F. McDonald, David Yen-Lung Chung, Yuan-Ju Chen, John P. Soisson | 2005-02-22 |
| 6565749 | Microorganism filter and method for removing microorganism from water | Kenneth C. Hou, Donald Stephen Bretl | 2003-05-20 |
| 6241103 | Filter cartridge for water treatment device | — | 2001-06-05 |
| 5785844 | End of life mechanism for water treatment cartridge | James L. Lund, David J. Emmons | 1998-07-28 |
| D377515 | Water filter cartridge | James L. Lund | 1997-01-21 |
| 5536394 | End of life mechanism for water treatment cartridge | James L. Lund, David J. Emmons | 1996-07-16 |
| 5527451 | Water treatment device with volume totalization valve | Brian Francis Sullivan | 1996-06-18 |
| 5525214 | Filter cartridge for water treatment device | — | 1996-06-11 |
| D358868 | Faucet mounted water treatment device | William E. Stumpf, Jeffrey A. Weber, James L. Lund | 1995-05-30 |