C21C 2250/02
Hot oxygen
C21C2250/02 (Hot oxygen) appears on 10 US grants and 3 published applications in this corpus.
Search patents in C21C- Granted patents
- 10
- Published applications
- 3
- Assignees
- 8
- Inventors
- 25
- Latest grant
- 18 Aug 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 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 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method and device for heating a furnace18 Aug 2020US 10,746,402 B2Linde Aktiengesellschaft
- Process for improving energy supply to a scrap bulk15 Oct 2013US 8,557,018 B2Siemens Vai Metals Technologies GmbH
- Process for producing molten iron9 Jan 2007US 7,160,353 B2Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- 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
- Method for an improved energy input into a scrap bulk29 Feb 2000US 6,030,431 AL'Air Liquide, Societe Anonyme pour l'Etude et l'Expolitation des Procedes George Claude
- Method and device for heating a furnace6 Dec 2018US 2018/0347813 A1Linde Aktiengesellschaft
- Process For Improving Energy Supply To A Scrap Bulk21 Feb 2008US 2008/0041189 A1Siemens Vai Metals Technologies GmbH
- Process for producing molten iron2 Sep 2004US 2004/0168549 A1Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
Most cited
By later US patents
- Converter process for the production of iron26US 5,518,523 ATechnological Resources Pty. Limited · 1996
- Process for gasification of solid carbonaceous material16US 4,388,084 ASumitomo Metal Industries, Ltd. · 1983
- Gasification process of solid carbonaceous material14US 4,389,246 ASumitomo Metal Industries, Ltd. · 1983
- 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 for preheating the oxygen in an oxygen steel making process2US 4,207,094 AHoesch Werke Aktiengesellschaft · 1980