Issued Patents 2016
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9435565 | Water heater and method of operating the same | Andrew Robert Caves, Andrew W. Phillips, William Louis Mehlhorn, Thomas G. Van Sistine, Robert Eugene Olson +1 more | 2016-09-06 |
| 9405304 | Water heater and method of operating a water heater | — | 2016-08-02 |
| 9267209 | Sacrificial anode control | Ray O. Knoeppel, Yao Zhen Hu, Russell Banks | 2016-02-23 |