F23N 2237/28
Oxygen as pure oxydant
Official title: oxygen as pure oxydant
F23N2237/28 (Oxygen as pure oxydant) appears on 31 US grants and 25 published applications in this corpus.
Search patents in F23N- Granted patents
- 31
- Published applications
- 25
- Assignees
- 22
- Inventors
- 64
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 4 |
| 2004 | 4 | 1 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 3 |
| 2011 | 0 | 4 |
| 2012 | 1 | 1 |
| 2013 | 3 | 1 |
| 2014 | 1 | 3 |
| 2015 | 1 | 1 |
| 2016 | 1 | 0 |
| 2017 | 1 | 1 |
| 2018 | 1 | 1 |
| 2019 | 2 | 0 |
| 2020 | 1 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process and apparatus for oxygen injection in a sulfur furnace14 Apr 2026US 12,600,627 B2Messer Industries USA, Inc.
- Flame control in an oxyfuel combustion process24 Dec 2024US 12,173,655 B28 Rivers Capital, LLC
- Method and device for heating object to be heated27 Dec 2022US 11,534,823 B2Taiyo Nippon Sanso Corporation
- Method for controlled operation of a heated, in particular regeneratively heated, industrial furnace, open-loop and closed-loop control unit, and heatable industrial furnace3 Mar 2020US 10,577,270 B2Stg Combustion Control GmbH & Co. KG
- Methods and systems for controlling the products of combustion3 Dec 2019US 10,495,306 B2ExxonMobil Upstream Research Company
- Process and Apparatus for Oxygen Injection in a Sulfur Furnace24 Oct 2024US 2024/0351877 A1Messer Industries USA, Inc.
- Flame control in an oxyfuel combustion process1 Sep 2022US 2022/0275759 A18 Rivers Capital, LLC
- Method and device for heating object to be heated16 Jan 2020US 2020/0016652 A1Taiyo Nippon Sanso Corporation
- Method for controlled operation of a heated, in particular regeneratively heated, industrial furnace, open-loop and closed-loop control unit, and heatable industrial furnace1 Mar 2018US 2018/0057386 A1Stg Combustion Control GmbH & Co. KG
- Methods and Systems for Controlling the Products of Combustion24 Aug 2017US 2017/0241638 A1ExxonMobil Upstream Research Company
Most cited
By later US patents
- Variable heat generating method and apparatus129US 4,622,007 AAmerican Combustion, Inc. · 1986
- Method and apparatus for generating highly luminous flame78US 4,797,087 AAmerican Combustion, Inc. · 1989
- Oxy/fuel combustion system with minimized flue gas recirculation68US 8,316,784 B2Air Products and Chemicals, Inc. · 2012
- Dual regulator direct-fired steam generator50US 6,135,063 A2000
- Regenerative burner42US 4,923,391 AAmerican Combustion, Inc. · 1990