B01D 2255/92
Dimensions
B01D2255/92 (Dimensions) appears on 934 US grants and 1,326 published applications in this corpus.
Search patents in B01D- Granted patents
- 934
- Published applications
- 1,326
- Assignees
- 438
- Inventors
- 2,611
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 8 | 0 |
| 1999 | 8 | 0 |
| 2000 | 6 | 0 |
| 2001 | 7 | 1 |
| 2002 | 3 | 3 |
| 2003 | 4 | 5 |
| 2004 | 3 | 3 |
| 2005 | 3 | 12 |
| 2006 | 4 | 8 |
| 2007 | 4 | 19 |
| 2008 | 4 | 24 |
| 2009 | 10 | 69 |
| 2010 | 18 | 66 |
| 2011 | 25 | 78 |
| 2012 | 45 | 68 |
| 2013 | 62 | 41 |
| 2014 | 46 | 81 |
| 2015 | 47 | 72 |
| 2016 | 64 | 55 |
| 2017 | 54 | 75 |
| 2018 | 43 | 89 |
| 2019 | 69 | 71 |
| 2020 | 68 | 89 |
| 2021 | 47 | 93 |
| 2022 | 75 | 107 |
| 2023 | 78 | 85 |
| 2024 | 35 | 51 |
| 2025 | 47 | 38 |
| 2026 | 25 | 23 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Exhaust gas purification device and method for manufacturing exhaust gas purification device29 Sep 2026US 12,746,533 B2Cataler Corporation
- Selective catalytic reduction catalyst for the treatment of an exhaust gas8 Sep 2026US 12,728,409 B2BASF Mobile Emissions Catalysts LLC
- Ozone catalytic elimination device and plasma beauty instrument1 Sep 2026US 12,722,021 B2Shenzhen Leaflife Technology Co., Ltd.
- Composite, zoned oxidation catalyst for a compression ignition internal combustion engine25 Aug 2026US 12,714,990 B2Johnson Matthey Public Limited Company
- Selective ammonia oxidation catalyst19 May 2026US 12,629,662 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
- Catalyst noble metal particles27 Aug 2026US 2026/0249275 A1Cataler Corporation
- Exhaust gas purification catalyst13 Aug 2026US 2026/0233161 A1Mitsui Mining & Smelting Co., Ltd.
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
- Engine exhaust gas purification catalyst and exhaust gas purifier84US 6,047,544 ANissan Motor Co., Ltd. · 2000
- Foam catalyst support for exhaust purification83US 6,040,266 AUltramet · 2000
- Catalytic material and method of production thereof77US 7,541,012 B2The Hong Kong University of Science and Technology · 2009