F27D 2003/164
Oxygen
Official title: {Oxygen}
F27D2003/164 (Oxygen) appears on 39 US grants and 49 published applications in this corpus.
Search patents in F27D- Granted patents
- 39
- Published applications
- 49
- Assignees
- 39
- Inventors
- 153
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 4 |
| 2004 | 3 | 4 |
| 2005 | 1 | 3 |
| 2006 | 1 | 2 |
| 2007 | 1 | 2 |
| 2008 | 1 | 0 |
| 2009 | 2 | 1 |
| 2010 | 1 | 0 |
| 2011 | 1 | 2 |
| 2012 | 1 | 0 |
| 2013 | 1 | 1 |
| 2014 | 0 | 3 |
| 2015 | 0 | 1 |
| 2016 | 1 | 7 |
| 2017 | 1 | 2 |
| 2018 | 3 | 2 |
| 2019 | 2 | 1 |
| 2020 | 1 | 1 |
| 2021 | 1 | 4 |
| 2022 | 0 | 2 |
| 2023 | 2 | 4 |
| 2024 | 3 | 0 |
| 2025 | 0 | 1 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for simultaneously injecting a fuel gas and an oxygen-rich gas into a unit14 Apr 2026US 12,601,022 B2SMS group GmbH
- Coaxial dual supersonic speed oxygen flow coherent oxygen lance20 Aug 2024US 12,065,708 B2Cisdi Engineering Co., Ltd
- Direct smelting process with full combustion25 Jun 2024US 12,018,340 B2Tata Steel Nederland Technology B.V.
- Refining vessel for high-temperature melt7 May 2024US 11,976,340 B2Jfe Steel Corporation
- Long-life service method for powder-bottom-injecting converter based on collaborative hot replacement of furnace bottom and bottom purging brick6 Jun 2023US 11,667,982 B2Soochow University
- Molten steel manufacturing method and arc furnace20 Aug 2026US 2026/0242884 A1Nippon Steel Corporation
- An arrangement for an induration machine of a pelletizing plant, an induration machine and a method for indurating iron ore pellets12 Mar 2026US 2026/0071295 A1Luossavaara-Kiirunavaara AB
- Tundish flux feeding apparatus and method21 Aug 2025US 2025/0262661 A1HarbisonWalker International Holdings, Inc.
- Method for treating molten metals and/or slags in metallurgical baths and metallurgical plant for treating molten metals28 Dec 2023US 2023/0416868 A1SMS group GmbH
- Lance for blowing oxygen in steelmaking16 Nov 2023US 2023/0366052 A1ArcelorMittal
Most cited
By later US patents
- Method for producing hydrocarbon gas from waste126US 5,395,405 AMolten Metal Technology, Inc. · 1995
- Method and apparatus for injection of a liquid waste into a molten bath124US 5,436,210 AMolten Metal Technology, Inc. · 1995
- Feed processing employing dispersed molten droplets114US 5,744,117 AMolten Metal Technology, Inc. · 1998
- Method for injecting feed streams into a molten bath112US 5,858,059 AMolten Metal Technology, Inc. · 1999
- Method and apparatus for producing a product in a regenerator furnace from impure waste containing a non-gasifiable impurity110US 5,640,709 AMolten Metal Technology, Inc. · 1997