C22B 34/22
Obtaining vanadium
C22B34/22 (Obtaining vanadium) appears on 200 US grants and 126 published applications in this corpus.
Search patents in C22B- Granted patents
- 200
- Published applications
- 126
- Assignees
- 170
- Inventors
- 526
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 6 | 0 |
| 1979 | 2 | 0 |
| 1980 | 6 | 0 |
| 1981 | 11 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 12 | 0 |
| 1985 | 16 | 0 |
| 1986 | 5 | 0 |
| 1987 | 12 | 0 |
| 1988 | 5 | 0 |
| 1989 | 6 | 0 |
| 1990 | 6 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 7 | 0 |
| 2002 | 0 | 2 |
| 2003 | 3 | 5 |
| 2004 | 0 | 4 |
| 2005 | 0 | 3 |
| 2006 | 1 | 2 |
| 2007 | 3 | 1 |
| 2008 | 2 | 1 |
| 2009 | 3 | 7 |
| 2010 | 4 | 4 |
| 2011 | 1 | 5 |
| 2012 | 6 | 5 |
| 2013 | 2 | 7 |
| 2014 | 5 | 4 |
| 2015 | 7 | 4 |
| 2016 | 1 | 6 |
| 2017 | 4 | 4 |
| 2018 | 3 | 10 |
| 2019 | 8 | 4 |
| 2020 | 3 | 8 |
| 2021 | 7 | 7 |
| 2022 | 4 | 7 |
| 2023 | 3 | 9 |
| 2024 | 5 | 6 |
| 2025 | 5 | 6 |
| 2026 | 3 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Vanadium oxide extraction from Bayer process18 Aug 2026US 12,709,550 B2Snf Group
- Metals recovery from spent catalyst11 Aug 2026US 12,703,892 B2Chevron U.S.A.Inc.
- Metals recovery from spent supported catalyst17 Mar 2026US 12,577,125 B2Chevron U.S.A.Inc.
- Process for the selective recovery of transition metals from organic residues19 Aug 2025US 12,392,011 B2ENI S. p. A.
- System for processing red mud and method of processing red mud22 Jul 2025US 12,365,954 B2Red Mud Enterprises LLC
- Method of management of fly ashes from the combustion of petroleum products27 Aug 2026US 2026/0250488 A1RE-Solve Sp. z.o.o.
- A process for transition metal oxide reduction30 Jul 2026US 2026/0218323 A1Helios Project Ltd.
- Process of providing titanium dioxide and/or vanadium oxide26 Mar 2026US 2026/0085382 A1Fodere Titanium Limited
- Selective extraction and separation of vanadium and iron26 Feb 2026US 2026/0055005 A1Tcm Research Ltd.
- System for processing red mud and method of processing red mud1 Jan 2026US 2026/0002225 A1Red Mud Enterprises LLC
Most cited
By later US patents
- Method for recovering vanadium from petroleum coke70US 4,243,639 ATosco Corporation · 1981
- Colloidal particles used in sensing arrays63US 6,537,498 B1California Institute of Technology · 2003
- Process for recovering molybdenum, vanadium, cobalt and nickel from roasted products of used catalysts from hydrotreatment desulfurization of petroleum48US 4,145,397 AFuji Fine Chemical Co. Ltd. · 1979
- Recovery of V.sub.2 O.sub.5 and nickel values from petroleum coke45US 4,443,415 AAmax Inc. · 1984
- Formation of coke from heavy crude oils in the presence of calcium carbonate33US 4,521,382 AAlberta Research Council · 1985