Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11300290 | High turndown boiler and system and method for controlling a boiler | — | 2022-04-12 |
| 10024553 | Modulating boiler system | — | 2018-07-17 |
| 9671131 | Hydronic air heater | — | 2017-06-06 |
| 9004370 | Method of increasing boiler efficiency | — | 2015-04-14 |
| 8726940 | Fuel equalization system | — | 2014-05-20 |
| 8490886 | Modulating boiler system | — | 2013-07-23 |
| 7735459 | Modular boiler control | RICHARD OSIENSKI, Brian C. Hannigan, Mark Rawson, Nathaniel Dewey, John M. Wilson | 2010-06-15 |
| 7327950 | Semi-instantaneous water heater system | — | 2008-02-05 |
| 7036462 | Boiler and burner apparatus | — | 2006-05-02 |
| 5570659 | Domestic gas-fired boiler | — | 1996-11-05 |
| 4852524 | Gas fired water heater | — | 1989-08-01 |
| 4519422 | Dynamically-stopped and statically-balanced valve | — | 1985-05-28 |
| 4346759 | Heat reclaiming system | George P. Mansey | 1982-08-31 |
| 4305547 | Water heater temperature control system | — | 1981-12-15 |
| 4256176 | Heat-reclaiming system | — | 1981-03-17 |