C21C 5/466
Charging device for converters
Official title: {Charging device for converters}
C21C5/466 (Charging device for converters) appears on 44 US grants and 16 published applications in this corpus.
Search patents in C21C- Granted patents
- 44
- Published applications
- 16
- Assignees
- 29
- Inventors
- 95
- Latest grant
- 8 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 6 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 2 |
| 2007 | 1 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 2 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 0 | 0 |
| 2019 | 4 | 5 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 1 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- PGM converting process and jacketed rotary converter8 Apr 2025US 12,270,090 B2
- Converter bottom blowing system capable of allowing multiple media to share bottom blowing lances and method for using same22 Oct 2024US 12,123,063 B2Beijing Kemi Rongcheng Energy Technology Co., Ltd.
- Jacketed rotary converter and PGM converting process12 May 2020US 10,648,059 B2Techemet, LP
- PGM converting process with staged slagging24 Dec 2019US 10,513,750 B2Techemet, LP
- Integrated PGM converting process24 Dec 2019US 10,513,751 B2Techemet, LP
- Converter bottom blowing system capable of allowing multiple media to share bottom blowing lances and method for using same25 Jul 2024US 2024/0247328 A1Beijing Kemi Rongcheng Energy Technology Co., Ltd.
- Converter blowing control method and converter blowing control system3 Aug 2023US 2023/0243005 A1Jfe Steel Corporation
- Pgm converting process and jacketed rotary converter9 Jun 2022US 2022/0177999 A1Techemet, LP
- Jacketed Rotary Converter and PGM Converting Process7 Nov 2019US 2019/0338380 A1Techemet, LP
- PGM Converting Process with Staged Slagging7 Nov 2019US 2019/0338391 A1Techemet, LP
Most cited
By later US patents
- Method for top-charging solid waste into a molten metal bath115US 5,491,279 AMolten Metal Technology, Inc. · 1996
- Method and apparatus for top-charging solid waste into a molten metal bath113US 5,571,486 AMolten Metal Technology, Inc. · 1996
- Method for injecting feed streams into a molten bath112US 5,858,059 AMolten Metal Technology, Inc. · 1999
- Treatment of polyvinylchloride19US 5,698,759 A1997
- Extraction of mercury and mercury compounds from contaminated material and solutions18US 5,226,545 AGeneral Electric Company · 1993