C21C 5/285
Plants therefor
Official title: {Plants therefor}
C21C5/285 (Plants therefor) appears on 25 US grants and 19 published applications in this corpus.
Search patents in C21C- Granted patents
- 25
- Published applications
- 19
- Assignees
- 17
- Inventors
- 80
- Latest grant
- 19 Jul 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 2 |
| 2011 | 1 | 0 |
| 2012 | 1 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 6 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 5 | 2 |
| 2021 | 1 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Convertible metallurgical furnace and modular metallurgical plant comprising said furnace for conducting production processes for the production of metals in the molten state, in particular steel or cast iron19 Jul 2022US 11,391,515 B2Tenova Industrial Technologies (Beijing) Co., Ltd.
- Efficient long-service-life blowing method and system for vanadium extraction-decarburization duplex converters27 Apr 2021US 10,988,818 B2University of Science and Technology Beijing
- Combined system for producing steel and method for operating the combined system22 Sep 2020US 10,781,498 B2thyssenkrupp AG
- Plant combination for producing steel and method for operating the plant combination30 Jun 2020US 10,697,030 B2thyssenkrupp AG
- Combined system for producing steel and method for operating the combined system30 Jun 2020US 10,697,031 B2thyssenkrupp AG
- Steelmaking method and associated network of plants30 Jan 2025US 2025/0034668 A1
- Steelmaking method and associated network of plants30 Jan 2025US 2025/0034669 A1
- System network and method for operating a system network of this type for producing higher alcohols13 Jul 2023US 2023/0219815 A1thyssenkrupp AG
- Efficient long-service-life blowing method and system for vanadium extraction-decarburization duplex converters29 Oct 2020US 2020/0340070 A1University of Science and Technology Beijing
- Convertible metallurgical furnace and modular metallurgical plant comprising said furnace for conducting production processes for the production of metals in the molten state, in particualr steel or cast iron16 Jan 2020US 2020/0018550 A1Tenova Industrial Technologies (Beijing) Co., Ltd.
Most cited
By later US patents
- Method and apparatus for improved use of primary energy sources in integrated steel plants17US 6,986,800 B2Hylsa S.A. de C.V. · 2006
- Process and installation for the separation of air11US 5,666,825 AL Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude · 1997
- Process and installation for the separation of air10US 5,437,160 AL Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude · 1995
- Process and installation for the separation of air4US 5,592,834 AL Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude · 1997
- Process and installation for the separation of air4US 5,901,580 AL Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude · 1999