C21C 7/0081
Treating and handling under pressure
Official title: {Treating and handling under pressure}
C21C7/0081 (Treating and handling under pressure) appears on 12 US grants and 1 published applications in this corpus.
Search patents in C21C- Granted patents
- 12
- Published applications
- 1
- Assignees
- 12
- Inventors
- 52
- Latest grant
- 14 Sep 2004
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for controlling and adjusting the concentration of a gas component in a melt and a device for carrying out the same14 Sep 2004US 6,790,254 B1VSG Energie-und Schmiedetechnik GmbH
- Pressure converter steelmaking method4 Sep 2001US 6,284,016 B1Nippon Steel Corporation
- Device for inserting a lance into a pressurized container, in particular a blast furnace31 Oct 1995US 5,462,260 APaul Wurth S. A.
- Method for cleaning molten metal and apparatus therefor25 Feb 1992US 5,091,000 ANKK Corporation
- Method for transferring heat to molten metal, and apparatus therefor26 Apr 1988US 4,740,242 ANippon Kokan Kabushiki Kaisha
Most cited
By later US patents
- Method for transferring heat to molten metal, and apparatus therefor9US 4,740,242 ANippon Kokan Kabushiki Kaisha · 1988
- Apparatus for producing predominately iron alloy containing magnesium5US 4,592,538 AElkem Metals Company · 1986
- Process and apparatus for reducing the inclusion content of steels and for refining their structure4US 4,294,611 AVasipari Kutato Intezet · 1981
- Method for cleaning molten metal and apparatus therefor3US 5,091,000 ANKK Corporation · 1992
- Method of and apparatus for metallurgically treating molten metals2US 4,456,478 AArbed S.A. · 1984