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C21B 5/002

Heated electrically

Official title: {Heated electrically (plasma)}

C21B5/002 (Heated electrically) appears on 24 US grants and 1 published applications in this corpus.

Search patents in C21B

Granted patents: 24
Published applications: 1
Assignees: 18
Inventors: 38
Latest grant: 5 Mar 1991

Filings by year

C21B 5/002: granted patents and published applications per publication year
Year	Granted patents	Published applications
1976	2	0
1977	4	0
1978	1	0
1979	0	0
1980	0	0
1981	1	0
1982	1	0
1983	1	0
1984	2	0
1985	1	0
1986	1	0
1987	6	0
1988	2	0
1989	0	0
1990	1	0
1991	1	0
1992	0	0
1993	0	0
1994	0	0
1995	0	0
1996	0	0
1997	0	0
1998	0	0
1999	0	0
2000	0	0
2001	0	0
2002	0	0
2003	0	0
2004	0	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	1

By publication year. Applications have been published since 2001.

Recent patents

Method and device for mounting and withdrawing a plasma torch relative to an apparatus operating under pressure and temperature conditions precluding a direct intervention5 Mar 1991US 4,997,475 AAerospatiale Societe Nationale Industrielle
Device for mounting and withdrawing a plasma torch relative to an apparatus operating under pressure and temperature precluding a direct intervention20 Nov 1990US 4,972,063 AAerospatiale Societe Nationale Industrielle
Device for injecting divided solid materials in a smelting blast furnace20 Sep 1988US 4,771,993 AInstitut de Recherches de la Siderurgie Francaise (IRSID)
Plasma fired feed nozzle2 Aug 1988US 4,761,793 AElectric Power Research Institute, Inc.
Connection device for plasma generators17 Nov 1987US 4,706,943 ASKF Steel Engineering AB

Most cited

By later US patents