B01D 2255/20715
Zirconium
B01D2255/20715 (Zirconium) appears on 709 US grants and 972 published applications in this corpus.
Search patents in B01D- Granted patents
- 709
- Published applications
- 972
- Assignees
- 282
- Inventors
- 1,743
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 2 |
| 2002 | 5 | 9 |
| 2003 | 6 | 9 |
| 2004 | 4 | 8 |
| 2005 | 6 | 10 |
| 2006 | 4 | 3 |
| 2007 | 8 | 17 |
| 2008 | 5 | 29 |
| 2009 | 5 | 53 |
| 2010 | 24 | 53 |
| 2011 | 33 | 51 |
| 2012 | 29 | 43 |
| 2013 | 41 | 46 |
| 2014 | 47 | 67 |
| 2015 | 61 | 85 |
| 2016 | 50 | 66 |
| 2017 | 55 | 64 |
| 2018 | 41 | 52 |
| 2019 | 50 | 48 |
| 2020 | 33 | 48 |
| 2021 | 41 | 47 |
| 2022 | 35 | 44 |
| 2023 | 31 | 39 |
| 2024 | 21 | 33 |
| 2025 | 26 | 26 |
| 2026 | 15 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Selective catalytic reduction catalyst for the treatment of an exhaust gas8 Sep 2026US 12,728,409 B2BASF Mobile Emissions Catalysts LLC
- Three-way conversion catalyst composition comprising platinum-rhodium bimetallic components11 Aug 2026US 12,702,968 B2BASF Mobile Emissions Catalysts LLC
- Process for producing functionalized organic molecules and uses thereof28 Jul 2026US 12,692,215 B2Universitat Politecnica De Catalunya
- Performance enhancement of a platinum-containing catalyst via exhaust gas hydrogen enrichment16 Jun 2026US 12,654,160 B2BASF Mobile Emissions Catalysts LLC
- Gas treatment system, semiconductor process system including the same, and gas treatment method using the same26 May 2026US 12,636,612 B2Samsung Electronics Co., Ltd.
- Catalyst article for treating exhaust gas, its method of manufacture and uses thereof10 Sep 2026US 2026/0264015 A1Johnson Matthey Public Limited Company
- Exhaust gas purification catalyst composition, exhaust gas purification catalyst and exhaust gas purification system3 Sep 2026US 2026/0257173 A1Mitsui Mining & Smelting Co., Ltd.
- Catalyst for decomposing perfluorocompounds27 Aug 2026US 2026/0249272 A1Ecoprohn
- Exhaust Gas Purification Catalyst20 Aug 2026US 2026/0243188 A1Cataler Corporation
- Exhaust gas purification catalyst30 Jul 2026US 2026/0216702 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
- Engine exhaust gas purification catalyst and exhaust gas purifier84US 6,047,544 ANissan Motor Co., Ltd. · 2000
- Diesel oxidation catalyst composite with layer structure for carbon monoxide and hydrocarbon conversion79US 8,211,392 B2BASF SE · 2012
- High temperature catalyst and process for selective catalytic reduction of NOx in exhaust gases of fossil fuel combustion78US 7,695,703 B2Siemens Energy, Inc. · 2010
- Dry 3-way catalytic reduction of gas turbine NOx74US 8,397,482 B2General Electric Company · 2013