Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11976815 | Modifiable premix combustion system and premix blower for elevation compensation | Ryosuke Umemura, Takashi Nozaki | 2024-05-07 |
| 11215359 | Modifiable premix combustion system and premix blower for elevation compensation | Ryosuke Umemura, Takashi Nozaki | 2022-01-04 |
| 10415849 | Down-fired high efficiency gas-fired water heater | Jozef Boros, Qian Zhang, Subbramanian Thenappan | 2019-09-17 |
| 9714774 | Downfired high efficiency gas-fired water heater | Jozef Boros, Qian Zhang, Subbramanian Thenappan | 2017-07-25 |
| 9004018 | High efficiency gas-fired water heater | Jozef Boros, Qian Zhang, Subbu Thenappan | 2015-04-14 |