Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8192687 | Method and system for measuring water hardness | James W. Livingston, Patricia Anne Anderson | 2012-06-05 |
| 8002898 | Material delivery systems and methods | Frederik J. Schepers, Evert P. Baars, Andrew J. Cocking, James W. Livingston | 2011-08-23 |
| 7977101 | Method and system for measuring water hardness | James W. Livingston, Patricia Anne Anderson | 2011-07-12 |
| 7709265 | Method and system for measuring water hardness | James W. Livingston, Patricia Anne Anderson | 2010-05-04 |
| 7654421 | Automatically configurable chemical dosing apparatus for cleaning equipment | Andrew J. Cocking, William E. Simpson, Douglas Thomas Story | 2010-02-02 |
| 6529841 | Apparatus and method for conductivity measurement including probe contamination compensation | Andrew J. Cocking, James W. Livingston | 2003-03-04 |
| 6223129 | Apparatus and method for conductivity measurement including probe contamination compensation | James W. Livingston | 2001-04-24 |
| 5500050 | Ratio feed detergent controller and method with automatic feed rate learning capability | James W. Livingston | 1996-03-19 |
| 5494061 | Multiple protocol multiple pump liquid chemical dispenser | James W. Livingston | 1996-02-27 |
| 5453131 | Multiple protocol multiple pump liquid chemical dispenser | James W. Livingston | 1995-09-26 |