B01J 23/20
Vanadium, niobium or tantalum
B01J23/20 (Vanadium, niobium or tantalum) appears on 1,200 US grants and 1,024 published applications in this corpus.
Search patents in B01J- Granted patents
- 1,200
- Published applications
- 1,024
- Assignees
- 618
- Inventors
- 2,860
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 18 | 0 |
| 1977 | 27 | 0 |
| 1978 | 27 | 0 |
| 1979 | 17 | 0 |
| 1980 | 20 | 0 |
| 1981 | 24 | 0 |
| 1982 | 19 | 0 |
| 1983 | 21 | 0 |
| 1984 | 35 | 0 |
| 1985 | 12 | 0 |
| 1986 | 8 | 0 |
| 1987 | 7 | 0 |
| 1988 | 25 | 0 |
| 1989 | 26 | 0 |
| 1990 | 15 | 0 |
| 1991 | 18 | 0 |
| 1992 | 15 | 0 |
| 1993 | 14 | 0 |
| 1994 | 10 | 0 |
| 1995 | 8 | 0 |
| 1996 | 12 | 0 |
| 1997 | 14 | 0 |
| 1998 | 9 | 0 |
| 1999 | 16 | 0 |
| 2000 | 20 | 0 |
| 2001 | 19 | 7 |
| 2002 | 22 | 24 |
| 2003 | 28 | 29 |
| 2004 | 23 | 34 |
| 2005 | 15 | 28 |
| 2006 | 20 | 26 |
| 2007 | 15 | 35 |
| 2008 | 10 | 38 |
| 2009 | 23 | 44 |
| 2010 | 23 | 31 |
| 2011 | 19 | 43 |
| 2012 | 19 | 31 |
| 2013 | 23 | 55 |
| 2014 | 44 | 45 |
| 2015 | 46 | 56 |
| 2016 | 37 | 46 |
| 2017 | 47 | 60 |
| 2018 | 50 | 77 |
| 2019 | 47 | 61 |
| 2020 | 57 | 49 |
| 2021 | 46 | 35 |
| 2022 | 33 | 45 |
| 2023 | 36 | 41 |
| 2024 | 19 | 37 |
| 2025 | 26 | 23 |
| 2026 | 16 | 24 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method and apparatus for the production of performic acid6 Oct 2026US 12,753,152 B2Symbient Environmental Technologies
- Non-stick coating29 Sep 2026US 12,747,361 B2Seb S. A.
- Selective catalytic reduction catalyst for the treatment of an exhaust gas8 Sep 2026US 12,728,409 B2BASF Mobile Emissions Catalysts LLC
- Systems and methods for producing nitriles11 Aug 2026US 12,703,676 B2Alliance for Energy Innovation, LLC
- V2AlC@V2O5/TiO2 heterojunction composite photocatalyst, preparation method, and application thereof9 Jun 2026US 12,649,148 B2United Arab Emirates University
- Catalytic article comprising vanadium-containing catalyst and oxidation catalyst8 Oct 2026US 2026/0307065 A1
- V2alc@v2o5/tio2 heterojunction composite photocatalyst, preparation method, and application thereof10 Sep 2026US 2026/0264054 A1United Arab Emirates University
- Methane oxidation catalysts, methods of using thereof, and methods of making thereof10 Sep 2026US 2026/0264057 A1Yale University
- Method for capturing co2 and use of a metal-based surface for capturing co227 Aug 2026US 2026/0249243 A1Institut National De La Recherche Scientifique
- Antifouling materials based on glasses with catalytic surface layers13 Aug 2026US 2026/0233202 A1The Government of the United States of America, as represented by the Secretary of the Navy
Most cited
By later US patents
- Method for producing an unsaturated carboxylic acid121US 5,380,933 AMitsubishi Kasei Corporation · 1995
- Catalytic process for reducing nitrogen oxides to nitrogen110US 4,085,193 ABabcock-Hitachi Kabushiki Kaisha · 1978
- Low temperature oxydehydrogenation of ethane to ethylene105US 4,250,346 AUnion Carbide Corporation · 1981
- Process for producing nitriles83US 5,281,745 AMitsubishi Kasei Corporation · 1994
- Catalytic material and method of production thereof77US 7,541,012 B2The Hong Kong University of Science and Technology · 2009