B01D 2255/20723
Vanadium
B01D2255/20723 (Vanadium) appears on 578 US grants and 738 published applications in this corpus.
Search patents in B01D- Granted patents
- 578
- Published applications
- 738
- Assignees
- 317
- Inventors
- 1,542
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 4 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 7 | 0 |
| 1999 | 5 | 0 |
| 2000 | 7 | 0 |
| 2001 | 6 | 5 |
| 2002 | 7 | 0 |
| 2003 | 4 | 4 |
| 2004 | 6 | 6 |
| 2005 | 1 | 8 |
| 2006 | 3 | 13 |
| 2007 | 3 | 14 |
| 2008 | 5 | 13 |
| 2009 | 9 | 45 |
| 2010 | 16 | 36 |
| 2011 | 16 | 41 |
| 2012 | 22 | 25 |
| 2013 | 29 | 35 |
| 2014 | 28 | 45 |
| 2015 | 30 | 44 |
| 2016 | 29 | 41 |
| 2017 | 36 | 48 |
| 2018 | 35 | 68 |
| 2019 | 47 | 58 |
| 2020 | 48 | 37 |
| 2021 | 33 | 27 |
| 2022 | 40 | 49 |
| 2023 | 32 | 29 |
| 2024 | 16 | 23 |
| 2025 | 19 | 12 |
| 2026 | 9 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Nitrogen oxide removing denitrification catalyst having high durability against sulfur dioxide, method for preparing the same, and method for removing nitrogen oxide using the same8 Sep 2026US 12,728,406 B2Korea Institute of Science and Technology
- Photo catalytic device for continuous process for co-conversion of CO2+H2O to C1-oxygenates in sunlight19 May 2026US 12,629,661 B2Council of Scientific and Industrial Research An Indian Registered Body Incorporated Under the Regn. of Soc. Act (Act Xxi of 1860)
- Denitration catalyst and method for purifying exhaust gas14 Apr 2026US 12,599,872 B2Mitsubishi Heavy Industries, Ltd.
- Methods for regenerating a filter medium and cleaning flue gas7 Apr 2026US 12,594,519 B2W. L. Gore & Associates, Inc.
- Gas production apparatus, gas production system, steel production system, chemical manufacturing system, and gas production method with reduced carbon dioxide emission24 Mar 2026US 12,582,941 B2Sekisui Chemical Co., Ltd.
- Catalytic article comprising vanadium-containing catalyst and oxidation catalyst8 Oct 2026US 2026/0307065 A1
- Method for capturing co2 and use of a metal-based surface for capturing co227 Aug 2026US 2026/0249243 A1Institut National De La Recherche Scientifique
- Advanced membrane oxidation process and system for the treatment of industrial gas emissions and odors23 Jul 2026US 2026/0208098 A1
- Advanced membrane oxidation process and system for the treatment of industrial gas emissions and odors23 Jul 2026US 2026/0208099 A1
- Method for producing oxidation/reduction catalyst utilizing sulfur element-containing precursor and oxidation/reduction catalyst produced thereby23 Jul 2026US 2026/0208179 A1Korea Institute of Industrial Technology
Most cited
By later US patents
- Catalytic process for reducing nitrogen oxides to nitrogen110US 4,085,193 ABabcock-Hitachi Kabushiki Kaisha · 1978
- Catalytic wall-flow filter103US 6,753,294 B1Johnson Matthey Public Limited Company · 2004
- Thermally regenerable nitric oxide adsorbent90US 8,105,559 B2Johnson Matthey Public Limited Company · 2012
- Catalytic material and method of production thereof77US 7,541,012 B2The Hong Kong University of Science and Technology · 2009
- Reducing no emissions from an engine by on-demand generation of ammonia for selective catalytic reduction74US 6,361,754 B1Clean Diesel Technologies, Inc. · 2002