Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10288315 | Straight fin tube with bended fins condensing heat exchanger | — | 2019-05-14 |
| 9797622 | Coil and serpentine bent fin tube condensing heat exchanger | — | 2017-10-24 |
| 9470433 | Dual-ring and straight fin tube condensing | — | 2016-10-18 |
| 7097210 | Method and apparatus for providing a transition connector to introduce outside air and vent flue for boiler combustion | Neil Rolph | 2006-08-29 |
| 7007858 | Compact boiler with tankless heater for providing heat and domestic hot water and method of operation | Neil Rolph, Ayman Abdel-Rehim | 2006-03-07 |
| 6886756 | Method and apparatus for controlling and providing electrical connections for a boiler | Neil Rolph, Scott Ryan | 2005-05-03 |
| 6772713 | Method and apparatus for providing and utilizing outside air for boiler combustion | Neil Rolph | 2004-08-10 |
| D486897 | Boiler | Neil Rolph, Edward W. Johann, Scott Ryan | 2004-02-17 |
| 6647932 | Compact boiler with tankless heater for providing heat and domestic hot water | Neil Rolph, Ayman Abdel-Rehim | 2003-11-18 |