Issued Patents All Time
Showing 26–45 of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10822252 | Valve control apparatus | William D. Chandler, Jr., Cody A. Harbaugh | 2020-11-03 |
| 10633262 | Piston valve with annular passages | William D. Chandler, Jr., Cody A. Harbaugh | 2020-04-28 |
| 10590008 | Liquid treatment control system | William D. Chandler, Jr., Cody A. Harbaugh, Patrick Frazer | 2020-03-17 |
| 10495230 | Piston valve with annular passages | William D. Chandler, Jr., Cody A. Harbaugh | 2019-12-03 |
| 10494268 | Valve control apparatus | William D. Chandler, Jr., Cody A. Harbaugh | 2019-12-03 |
| 10494267 | Valve control apparatus | William D. Chandler, Jr., Cody A. Harbaugh | 2019-12-03 |
| 10479699 | Valve control apparatus | William D. Chandler, Jr., Cody A. Harbaugh | 2019-11-19 |
| 10012319 | Piston valve with annular passages | William D. Chandler, Jr., Cody A. Harbaugh | 2018-07-03 |
| 10011500 | Piston valve with annular passages | William D. Chandler, Jr., Cody A. Harbaugh | 2018-07-03 |
| 9970558 | Piston valve with annular passages | William D. Chandler, Jr., Cody A. Harbaugh | 2018-05-15 |
| 9714715 | Piston valve with annular passages | William D. Chandler, Jr., Cody A. Harbaugh | 2017-07-25 |
| D768811 | Water treatment equipment cabinet | William D. Chandler, Jr., Cody A. Harbaugh | 2016-10-11 |
| D760872 | Cover for control valve | William D. Chandler, Jr., Cody A. Harbaugh | 2016-07-05 |
| 8508374 | Motor power module | William D. Chandler, Jr., Louis R. Calkins | 2013-08-13 |
| 7746237 | Wastewater fluid level sensing and control system | William D. Chandler, Jr. | 2010-06-29 |
| 7557722 | Enclosure for a wastewater fluid level sensing and control system | William D. Chandler, Jr. | 2009-07-07 |
| 7471207 | Wastewater fluid level sensing and control system | William D. Chandler, Jr. | 2008-12-30 |
| 7224283 | Enclosure for a wastewater fluid level sensing and control system | William D. Chandler, Jr. | 2007-05-29 |
| 7151459 | Wastewater fluid level sensing and control system | William D. Chandler, Jr. | 2006-12-19 |
| 7075443 | Wastewater fluid level sensing and control system | William D. Chandler, Jr. | 2006-07-11 |