C01B 21/203
Preparation of nitrogen oxides using a plasma or an electric discharge
Official title: {Preparation of nitrogen oxides using a plasma or an electric discharge}
C01B21/203 (Preparation of nitrogen oxides using a plasma or an electric discharge) appears on 27 US grants and 63 published applications in this corpus.
Search patents in C01B- Granted patents
- 27
- Published applications
- 63
- Assignees
- 31
- Inventors
- 113
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 4 |
| 2015 | 2 | 0 |
| 2016 | 0 | 3 |
| 2017 | 1 | 3 |
| 2018 | 2 | 4 |
| 2019 | 5 | 8 |
| 2020 | 3 | 7 |
| 2021 | 2 | 5 |
| 2022 | 1 | 4 |
| 2023 | 0 | 3 |
| 2024 | 5 | 10 |
| 2025 | 2 | 5 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for the synthesis of nitrogen oxides and nitric acid in a thermal reactor25 Aug 2026US 12,715,769 B2Nitrocapt AB
- Architectures for production of nitric oxide13 Jan 2026US 12,522,501 B2Third Pole, Inc.
- Nitric oxide generation process controls30 Dec 2025US 12,509,349 B2Third Pole, Inc.
- Low pressure generating plasma reactor closed loop process and system25 Feb 2025US 12,233,393 B2N2 Applied AS
- Apparatus and method for generating nitric oxide in controlled and accurate amounts12 Nov 2024US 12,139,401 B2NitricGen, Inc.
- Renewable power to x module based on ozonation assisted electrochemical energy conversion reaction20 Aug 2026US 2026/0242960 A1NewSouth Innovations Pty Limited
- Nitric oxide generation process controls13 Aug 2026US 2026/0233997 A1Third Pole, Inc.
- Method for the Synthesis of Nitrogen Oxides and Nitric Acid in a Thermal Reactor21 May 2026US 2026/0143165 A2Nitrocapt AB
- One-pot method for selective n2o and no synthesis9 Apr 2026US 2026/0097961 A1
- Apparatus and method26 Feb 2026US 2026/0054245 A1The University of Liverpool
Most cited
By later US patents
- Apparatus and method for generating nitric oxide in controlled and accurate amounts39US 9,573,110 B2NitricGen, Inc. · 2017
- Aseptic and odorless nitric oxide generator36US 9,982,354 B2Eunhae Enc Co., Ltd · 2018
- Synthesis of nitric oxide gas for inhalation21US 10,279,139 B2The General Hospital Corporation · 2019
- Inspiratory synthesis of nitric oxide21US 10,293,133 B2The General Hospital Corporation · 2019
- Inspiratory synthesis of nitric oxide19US 10,434,276 B2The General Hospital Corporation · 2019