C21C 2005/5258
With crater formed by down-melting of scrap or charge through electrode or
Official title: {with crater formed by down-melting of scrap or charge through electrode or lance}
C21C2005/5258 (With crater formed by down-melting of scrap or charge through electrode or) appears on 10 US grants and 5 published applications in this corpus.
Search patents in C21C- Granted patents
- 10
- Published applications
- 5
- Assignees
- 10
- Inventors
- 23
- Latest grant
- 13 Jun 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 2 |
| 2020 | 1 | 0 |
| 2021 | 1 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Steelmaking and ironmaking scrap segregation and packaging system and method thereof13 Jun 2023US 11,674,754 B2Amerifab, Inc.
- Steelmaking and ironmaking scrap segregation and packaging system and method thereof7 Sep 2021US 11,112,179 B2Amerifab, Inc.
- Clean and rapid smelting method in an electric arc furnace with full scrap steel20 Oct 2020US 10,808,290 B2University of Science and Technology Beijing
- Process for improving energy supply to a scrap bulk15 Oct 2013US 8,557,018 B2Siemens Vai Metals Technologies GmbH
- Method for an improved energy input into a scrap bulk11 Jun 2002US 6,402,805 B1L'Air Liquide Societe Anonyme a Directoire et Conseil de Survillance pour l'Etude et l'Exploitation des Procedes Georges Claude
- Steelmaking and ironmaking scrap segregation and packaging system and method thereof2 Sep 2021US 2021/0270528 A1Amerifab, Inc.
- Steelmaking and ironmaking scrap segregation and packaging system and method thereof28 Feb 2019US 2019/0063838 A1Amerifab, Inc.
- Clean and rapid smelting method in an electric arc furnace with full scrap steel14 Feb 2019US 2019/0048430 A1University of Science and Technology Beijing
- Inert gas blanketing of electrodes in an electric arc furnace28 Sep 2017US 2017/0280519 A1Air Liquide Industrial U.S. LP
- Process For Improving Energy Supply To A Scrap Bulk21 Feb 2008US 2008/0041189 A1Siemens Vai Metals Technologies GmbH
Most cited
By later US patents
- Method for melting ferrous scrap metal and chromite in a submerged arc furnace to produce a chromium containing iron8US 5,654,976 AElkem Technology a/s · 1997
- Method of bottom blowing operation of a steel making electric furnace7US 4,749,408 AToshin Steel Co., Ltd. · 1988
- Method for an improved energy input into a scrap bulk4US 6,030,431 AL'Air Liquide, Societe Anonyme pour l'Etude et l'Expolitation des Procedes George Claude · 2000
- Method of operating an arc furnace, and an arc furnace3US 5,923,698 AConcast Standard AG · 1999
- Clean and rapid smelting method in an electric arc furnace with full scrap steel2US 10,808,290 B2University of Science and Technology Beijing · 2020