Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12366380 | Modulation systems and methods for instantaneous hot water applications | Owen A. Cunningham, Daniel G. Karch | 2025-07-22 |
| 11156371 | Networked boilers and control method | Daniel G. Karch, David King, Owen A. Cunningham, Neil Butt, Aaron Smith +1 more | 2021-10-26 |
| 10408495 | Companion water heater | Dan Karch, David King, Aaron Smith | 2019-09-10 |
| 9656216 | Scalable parallel mixing system and method | Aaron Smith, Neil Butt | 2017-05-23 |
| 9599365 | Companion water heater jacket | Dan Karch, David King, Aaron Smith | 2017-03-21 |
| 7669535 | Boiler gas flow distribution fin apparatus and method | Kenneth R. Moskwa, Jeff Jelinek, Fred Hoffmaster | 2010-03-02 |
| 7547863 | System and method for control of supplemental appliances | Jeff Jelinek | 2009-06-16 |