B01D 2255/20753
Nickel
B01D2255/20753 (Nickel) appears on 422 US grants and 520 published applications in this corpus.
Search patents in B01D- Granted patents
- 422
- Published applications
- 520
- Assignees
- 332
- Inventors
- 1,459
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 12 | 0 |
| 1978 | 13 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 6 | 0 |
| 2001 | 5 | 4 |
| 2002 | 6 | 7 |
| 2003 | 3 | 2 |
| 2004 | 1 | 1 |
| 2005 | 4 | 4 |
| 2006 | 1 | 4 |
| 2007 | 2 | 10 |
| 2008 | 2 | 11 |
| 2009 | 2 | 26 |
| 2010 | 15 | 30 |
| 2011 | 11 | 22 |
| 2012 | 10 | 16 |
| 2013 | 28 | 35 |
| 2014 | 15 | 38 |
| 2015 | 25 | 35 |
| 2016 | 26 | 30 |
| 2017 | 36 | 33 |
| 2018 | 25 | 33 |
| 2019 | 21 | 25 |
| 2020 | 28 | 35 |
| 2021 | 19 | 21 |
| 2022 | 17 | 24 |
| 2023 | 22 | 20 |
| 2024 | 14 | 22 |
| 2025 | 10 | 16 |
| 2026 | 14 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Complex oxides for reactive oxygen separation and related applications6 Oct 2026US 12,752,260 B2North Carolina State University
- Steel mill offgas separation and purification18 Aug 2026US 12,708,874 B2Air Products and Chemicals, Inc.
- Automotive 3-way catalyst system containing a tail pipe catalyst4 Aug 2026US 12,697,604 B2BASF Mobile Emissions Catalysts LLC
- Direct air carbon capture catalyst system2 Jun 2026US 12,643,070 B2
- Nickel-based MOF film photocatalyst grown in-situ on foamed nickel surface, preparation method therefor, and application thereof2 Jun 2026US 12,643,093 B2Guangdong University of Technology
- Improved electrodes for electrochemically driven carbon dioxide separator1 Oct 2026US 2026/0295518 A1Repair DAC Ltd.
- Method for capturing co2 and use of a metal-based surface for capturing co227 Aug 2026US 2026/0249243 A1Institut National De La Recherche Scientifique
- Catalyst composition, exhaust gas treatment method using the same, and exhaust gas treatment system including the same13 Aug 2026US 2026/0233206 A1Gwangju Institute of Science and Technology
- Tail gas treatment by two stage adsorption with intermediate cooling30 Jul 2026US 2026/0216647 A1Saudi Arabian Oil Company
- Discharge gas treatment method and discharge gas treatment device23 Jul 2026US 2026/0208102 A1Resonac Corporation
Most cited
By later US patents
- NOx decreasing apparatus for an internal combustion engine153US 5,412,946 AKabushiki Kaisha Toyota Chuo Kenkyusho · 1995
- Catalytic process for reducing nitrogen oxides to nitrogen110US 4,085,193 ABabcock-Hitachi Kabushiki Kaisha · 1978
- Catalytic reduction of nitrogen oxides in methane-fueled engine exhaust by controlled methane injections69US 5,524,432 AAir Products and Chemicals, Inc. · 1996
- Catalyst and method for catalytic reduction of nitrogen oxides67US 6,045,765 APetroleum Energy Center · 2000
- Zeolite-containing oxidation catalyst and method of use67US 6,248,684 B1Englehard Corporation · 2001