C21C 2300/02
Foam creation
C21C2300/02 (Foam creation) appears on 40 US grants and 49 published applications in this corpus.
Search patents in C21C- Granted patents
- 40
- Published applications
- 49
- Assignees
- 37
- Inventors
- 108
- Latest grant
- 9 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 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 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 1 | 0 |
| 2005 | 1 | 2 |
| 2006 | 0 | 4 |
| 2007 | 0 | 1 |
| 2008 | 1 | 3 |
| 2009 | 2 | 4 |
| 2010 | 1 | 3 |
| 2011 | 6 | 5 |
| 2012 | 2 | 3 |
| 2013 | 2 | 6 |
| 2014 | 3 | 1 |
| 2015 | 2 | 4 |
| 2016 | 0 | 1 |
| 2017 | 1 | 1 |
| 2018 | 1 | 1 |
| 2019 | 0 | 2 |
| 2020 | 1 | 1 |
| 2021 | 1 | 1 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 3 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for manufacturing molten iron with electric arc furnace9 Dec 2025US 12,492,439 B2Jfe Steel Corporation
- Carbon dioxide emission reduction system for electric arc furnaces utilizing algae for carbon dioxide absorbtion16 Sep 2025US 12,416,055 B1CIX Inc.
- Process for producing clean steel products with a low nitrogen content using an electric arc furnace and a degassing system13 May 2025US 12,296,379 B2Ternium México, S.A. de C.V.
- Melting and refining furnace for cold iron source and method of operating melting and refining furnace6 Jul 2021US 11,053,559 B2Taiyo Nippon Sanso Corporation
- Equipment for measurement and control of load material fed into a furnace10 Nov 2020US 10,830,537 B2Tenova S. P. A.
- Carbon dioxide emission reduction system for electric arc furnaces utilizing algae for carbon dioxide absorbtion8 Jan 2026US 2026/0009094 A1CIX Inc.
- Carbon dioxide emission reduction system for electric arc furnaces utilizing algae for carbon dioxide absorbtion11 Sep 2025US 2025/0283184 A1CIX Inc.
- Process for producing clean steel with a low nitrogen content using an electric arc furnace and a degassing system13 Mar 2025US 2025/0083218 A1Ternium México, S.A. de C.V.
- Method for forming a foamy slag in an electric arc furnace22 Aug 2024US 2024/0279760 A1Pipex Energy S.R.L.
- Method for manufacturing molten iron with electric arc furnace22 Dec 2022US 2022/0403478 A1Jfe Steel Corporation
Most cited
By later US patents
- Measuring the thickness of hot slag in steelmaking16US 6,130,637 AUSX Corporation · 2000
- Method of producing metal melts and an electric arc furnace therefor14US 5,410,566 AVoest-Alpine Industrieanlagenbau GmbH · 1995
- Composition and process to create foaming slag cover for molten steel10US 4,528,035 AMetro Materials Corporation · 1985
- Method and composition for foaming slag in electric arc furnace8US 4,447,265 A1984
- Process for using foamed slag in stainless steel production6US 5,395,420 ACentro Sviluppo Materiali S.p.A. · 1995