B01D 46/82
With catalysts
Official title: with catalysts
B01D46/82 (With catalysts) appears on 82 US grants and 103 published applications in this corpus.
Search patents in B01D- Granted patents
- 82
- Published applications
- 103
- Assignees
- 64
- Inventors
- 220
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 1 | 3 |
| 2007 | 0 | 0 |
| 2008 | 2 | 8 |
| 2009 | 1 | 4 |
| 2010 | 2 | 6 |
| 2011 | 4 | 4 |
| 2012 | 6 | 0 |
| 2013 | 0 | 0 |
| 2014 | 3 | 6 |
| 2015 | 5 | 2 |
| 2016 | 1 | 0 |
| 2017 | 2 | 19 |
| 2018 | 4 | 12 |
| 2019 | 18 | 6 |
| 2020 | 8 | 6 |
| 2021 | 8 | 9 |
| 2022 | 4 | 5 |
| 2023 | 8 | 4 |
| 2024 | 1 | 2 |
| 2025 | 1 | 1 |
| 2026 | 2 | 3 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Air purification apparatus7 Apr 2026US 12,594,518 B2Khanfilter, Inc.
- Methods for regenerating a filter medium and cleaning flue gas7 Apr 2026US 12,594,519 B2W. L. Gore & Associates, Inc.
- Particulate filter4 Mar 2025US 12,239,968 B2Cataler Corporation
- Low temperature diesel aftertreatment regeneration strategy12 Nov 2024US 12,140,064 B1GM Global Technology Operations LLC
- Honeycomb filter7 Nov 2023US 11,806,655 B2NGK Insulators, Ltd.
- In-situ regeneration of filter medium for improving catalytic efficiency10 Sep 2026US 2026/0264016 A1W. L. Gore & Associates, Inc.
- Elimination of contaminants of concern including poly- and perfluoroalkyl substances (pfas) in a gasification process using an indirectly-heated dryer with closed-loop thermal fluid heat recovery10 Sep 2026US 2026/0265625 A1Aries Clean Technologies LLC
- Control device, control method, and engine system16 Jul 2026US 2026/0201824 A1Komatsu Ltd.
- Air Filter2 Jan 2025US 2025/0001346 A1Metalmark Innovations, PBC
- Honeycomb filter25 Jul 2024US 2024/0246015 A1NGK Insulators, Ltd.
Most cited
By later US patents
- Emissions control14US 6,889,498 B1Johnson Matthey Public Limited Company · 2005
- Emissions control10US 7,111,453 B2Johnson Matthey Public Limited Company · 2006
- Elimination of poly- and perfluoro alkyl substances (PFAS) in a wastewater biosolids gasification process using a thermal oxidizer and hydrated lime injection8US 11,339,337 B1Aries Clean Technologies LLC · 2022
- Tuning particulate filter performance through selective plugging and use of multiple particulate filters to reduce emissions and improve thermal robustness5US 7,806,956 B2Cummins Filtration IP, Inc. · 2010
- Filtering device for diesel engine exhaust gas4US 7,935,163 B2Aristotle University of Thessaloniki · 2011