B01D 2251/904
Nta
B01D2251/904 (Nta) appears on 8 US grants and 7 published applications in this corpus.
Search patents in B01D- Granted patents
- 8
- Published applications
- 7
- Assignees
- 7
- Inventors
- 19
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 1 |
| 2022 | 0 | 2 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Recombinant microorganism including genetic modification that increases activity of nitric oxide reductase and method of reducing concentration of nitric oxide in sample by using the same10 Feb 2026US 12,545,932 B2Samsung Electronics Co., Ltd.
- Carbon dioxide fixation method3 Jun 2025US 12,319,584 B2Mitsubishi Heavy Industries, Ltd.
- Phototrophic purification of hydrogen sulfide containing streams15 Oct 2024US 12,115,492 B2ExxonMobil Technology and Engineering Company
- Fluid for carrying out pollution control in heat engines, and methods for preparing said fluids by producing a homogeneous solution25 May 2021US 11,014,045 B2Ifp Energies Nouvelles
- Process and apparatus for hydrogen sulfide removal12 Nov 2019US 10,472,582 B2Nederlandse Organisatie voor toegepast-natuurwetenschappelijk onderzoek TNO
- Carbon dioxide fixation method15 Dec 2022US 2022/0396492 A1Mitsubishi Heavy Industries Engineering, Ltd.
- Recombinant microorganism including genetic modification that increases activity of nitric oxide reductase and method of reducing concentration of nitric oxide in sample by using the same26 May 2022US 2022/0162650 A1Samsung Electronics Co., Ltd.
- Phototrophic purification of hydrogen sulfide containing streams22 Jul 2021US 2021/0220770 A1ExxonMobil Technology and Engineering Company
- Fluid for carrying out pollution control in heat engines, and methods for preparing said fluids by producing a homogeneous solution6 Dec 2018US 2018/0345216 A1Ifp Energies Nouvelles
- Process and apparatus for hydrogen sulfide removal27 Oct 2016US 2016/0312139 A1Nederlandse Organisatie voor toegepast-natuurwetenschappelijk onderzoek TNO
Most cited
By later US patents