C22B 34/1281
Using carbon containing agents
Official title: {using carbon containing agents, e.g. C, CO, carbides (C22B34/1286 takes precedence)}
C22B34/1281 (Using carbon containing agents) appears on 23 US grants and 17 published applications in this corpus.
Search patents in C22B- Granted patents
- 23
- Published applications
- 17
- Assignees
- 20
- Inventors
- 73
- Latest grant
- 3 Dec 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 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 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 1 | 2 |
| 2006 | 0 | 2 |
| 2007 | 1 | 1 |
| 2008 | 1 | 1 |
| 2009 | 1 | 3 |
| 2010 | 2 | 0 |
| 2011 | 1 | 0 |
| 2012 | 1 | 1 |
| 2013 | 1 | 1 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for co-extraction of vanadium, titanium and chromium from vanadium slag3 Dec 2024US 12,157,931 B2University of Science and Technology Beijing
- Synthetic rutile products and processes for their production21 May 2019US 10,294,116 B2Iluka Resources Limited
- Composite system18 Jul 2017US 9,707,623 B2
- Thermal and electrochemical process for metal production2 Feb 2016US 9,249,520 B2Materials & Electrochemical Research Corp.
- Composite system17 Dec 2013US 8,608,822 B2
- Method For Co-Extraction Of Vanadium, Titanium And Chromium From Vanadium Slag10 Nov 2022US 2022/0356543 A1University of Science and Technology Beijing
- Novel Synthetic Rutile Products and Processes for Their Production22 Feb 2018US 2018/0050921 A1Iluka Resources Limited
- Composite system5 Jun 2014US 2014/0154126 A1
- Method for production of metallic titanium and metallic titanium obtained with the method4 Apr 2013US 2013/0084206 A1Pangang Group Panzhihua Iron & Steel Research Institute Co., Ltd.
- Composite system1 Nov 2012US 2012/0276393 A1
Most cited
By later US patents
- Process for recovering metal carbide powder from cemented carbides18US 4,234,333 AFansteel Inc. · 1980
- Ilmenite coated pellet and process for reducing same15US 3,941,583 AICI Australia Limited · 1976
- Thermal and electrochemical process for metal production12US 7,410,562 B2Materials & Electrochemical Research Corp. · 2008
- Process for reducing metal halides by reaction with calcium carbide11US 4,105,440 ABattelle Memorial Institute · 1978
- Low temperature refining and formation of refractory metals10US 6,958,115 B2The United States of America as represented by the Secretary of the Navy · 2005