Patents per Year
Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 11499746 | Modular manifold for a tankless water heater | Larry Hartman | 2022-11-15 | |
| 11457513 | Ceramic heating element | Mark A. Figurski, Daniel James Thomas, Benjamin James Hull | 2022-09-27 | |
| 9574792 | Modular manifold for a tankless water heater | Larry Hartman | 2017-02-21 | |
| 8787742 | On-demand water heating system | Evan Lutz, Larry Hartman | 2014-07-22 | |
| 7687151 | Overlay for repairing spline and seal teeth of a mated component | Troy Finton, Thomas Joseph Kelly | 2010-03-30 | $33,416,000 |
| 7591057 | Method of repairing spline and seal teeth of a mated component | Troy Finton, Thomas Joseph Kelly | 2009-09-22 | $112,565,000 |
| 7243381 | Emergency shower and eyewash station with temperature control | — | 2007-07-17 | |
| 7007316 | Emergency shower and eyewash station with temperature control | — | 2006-03-07 | |
| 4970373 | Electronic temperature control system for a tankless water heater | Ralph S. Robertson | 1990-11-13 |