B01D 2255/9205
Porosity
B01D2255/9205 (Porosity) appears on 310 US grants and 449 published applications in this corpus.
Search patents in B01D- Granted patents
- 310
- Published applications
- 449
- Assignees
- 181
- Inventors
- 1,056
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 6 |
| 2006 | 2 | 2 |
| 2007 | 3 | 9 |
| 2008 | 1 | 6 |
| 2009 | 3 | 27 |
| 2010 | 9 | 28 |
| 2011 | 6 | 25 |
| 2012 | 19 | 22 |
| 2013 | 24 | 7 |
| 2014 | 14 | 21 |
| 2015 | 17 | 20 |
| 2016 | 15 | 13 |
| 2017 | 17 | 28 |
| 2018 | 11 | 30 |
| 2019 | 26 | 21 |
| 2020 | 24 | 34 |
| 2021 | 18 | 35 |
| 2022 | 26 | 42 |
| 2023 | 28 | 28 |
| 2024 | 15 | 15 |
| 2025 | 18 | 14 |
| 2026 | 9 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Ozone catalytic elimination device and plasma beauty instrument1 Sep 2026US 12,722,021 B2Shenzhen Leaflife Technology Co., Ltd.
- Selective ammonia oxidation catalyst19 May 2026US 12,629,662 B2BASF Mobile Emissions Catalysts LLC
- Catalytic article and method of manufacturing the catalytic article14 Apr 2026US 12,599,894 B2BASF Mobile Emissions Catalysts LLC
- Titanium-organic framework photocatalyst for adsorption and decomposition of volatile organic compound, manufacturing method thereof and method for removing volatile organic compound using titanium-organic framework10 Mar 2026US 12,569,838 B2Industry-Academic Cooperation Foundation, Yonsei University
- Emission control catalyst article with enriched PGM zone, method and apparatus to produce the same10 Mar 2026US 12,569,839 B2BASF Mobile Emissions Catalysts LLC
- Honeycomb structure and honeycomb filter1 Oct 2026US 2026/0295525 A1NGK Insulators, Ltd.
- Improved hydrocarbon trap for cold-start hydrocarbon control from internal combustion engines1 Oct 2026US 2026/0295527 A1
- Surface-catalytically finished polymer fibres and/or polymeric sheets, method for surface-catalytically finishing same, and use thereof for producing an air purification filter3 Sep 2026US 2026/0257204 A1Hochschule Niederrhein
- Exhaust gas purification catalyst13 Aug 2026US 2026/0233161 A1Mitsui Mining & Smelting Co., Ltd.
- System for treating exhaust gas from nitrogen-containing-fuel- or hydrogen-combustor6 Aug 2026US 2026/0225040 A1Johnson Matthey Public Limited Company
Most cited
By later US patents
- Catalyzed SCR filter and emission treatment system132US 7,229,597 B2BASFD Catalysts LLC · 2007
- Monomodal and polymodal catalyst supports and catalysts having narrow pore size distributions and their production129US 5,935,897 ABASF SE · 1999
- Catalyzed SCR filter and emission treatment system46US 7,902,107 B2BASF SE · 2011
- Catalyst body and process for breaking down nitrogen oxides32US 6,569,394 B2Siemens Aktiengesellschaft · 2003
- Gasoline engine emissions treatment systems having particulate filters32US 8,815,189 B2BASF SE · 2014