B01D 2255/65
Catalysts not containing noble metals
B01D2255/65 (Catalysts not containing noble metals) appears on 64 US grants and 114 published applications in this corpus.
Search patents in B01D- Granted patents
- 64
- Published applications
- 114
- Assignees
- 47
- Inventors
- 192
- Latest grant
- 13 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 4 |
| 2013 | 3 | 6 |
| 2014 | 4 | 20 |
| 2015 | 6 | 22 |
| 2016 | 10 | 19 |
| 2017 | 10 | 10 |
| 2018 | 2 | 4 |
| 2019 | 7 | 4 |
| 2020 | 6 | 8 |
| 2021 | 6 | 2 |
| 2022 | 4 | 5 |
| 2023 | 2 | 3 |
| 2024 | 0 | 1 |
| 2025 | 3 | 3 |
| 2026 | 1 | 0 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Exhaust purification catalyst13 Jan 2026US 12,521,699 B2Cataler Corporation
- Catalyst for CO2 capture and conversion coupling with biomass oxidation, a preparation method therefor and an application thereof9 Dec 2025US 12,491,500 B2Beijing University of Chemical Technology
- Organic material decomposition catalyst and organic material decomposition apparatus22 Apr 2025US 12,280,358 B2Murata Manufacturing Co., Ltd.
- Particulate filter4 Mar 2025US 12,239,968 B2Cataler Corporation
- Catalyst for use in the selective catalytic reduction (SCR) of nitrogen oxides3 Oct 2023US 11,772,075 B2Umicore AG & Co. KG
- Wall-flow filter and methods for inhibiting release of very fine nano-particles in exhaust emissions18 Dec 2025US 2025/0381523 A1Corning Incorporated
- Gasoline particulate filter20 Mar 2025US 2025/0091004 A1
- Catalytic coating6 Feb 2025US 2025/0041834 A1Umicore AG & Co. KG
- Organic-inorganic composite catalyst, air purification device including the organic-inorganic composite catalyst, and method of regenerating the organic-inorganic composite catalyst29 Feb 2024US 2024/0066515 A1Jk Global Co., Ltd.
- Catalyst for particulate combustion in gasoline emission treatment systems22 Jun 2023US 2023/0191372 A1BASF SE
Most cited
By later US patents
- Methods for oxidation and two-way and three-way ZPGM catalyst systems and apparatus comprising same20US 8,858,903 B2Clean Diesel Technology Inc. · 2014
- Exhaust gas purifying catalyst13US 9,833,771 B2Cataler Corporation · 2017
- Methods and systems for oxidizing nitric oxide in a gas stream11US 8,377,400 B2GM Global Technology Operations LLC · 2013
- Methods and systems for an engine emission control system10US 8,491,860 B2Ford Global Technologies, LLC · 2013
- Catalytic articles containing platinum group metals and non-platinum group metals and methods of making and using same7US 10,252,217 B2BASF SE · 2019