Issued Patents 2023
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11788535 | Systems and methods for manipulating control of sump pumps to extend lifespans of sump pumps | Nathan L. Tofte, John Donovan, Richard Jan Tjaden | 2023-10-17 |
| 11773856 | Detecting and utilizing a rise rate for sump pump system control | Nathan L. Tofte, John Donovan, Richard Jan Tjaden | 2023-10-03 |
| 11761447 | Adaptive learning system for improving sump pump control | Nathan L. Tofte, John Donovan, Richard Jan Tjaden | 2023-09-19 |
| 11635080 | Determining and utilizing a desired frequency for a mechanical shaker for a sump pump system | Nathan L. Tofte, John Donovan, Richard Jan Tjaden | 2023-04-25 |