B01D 2255/1023
Palladium
B01D2255/1023 (Palladium) appears on 1,420 US grants and 1,899 published applications in this corpus.
Search patents in B01D- Granted patents
- 1,420
- Published applications
- 1,899
- Assignees
- 484
- Inventors
- 3,016
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 5 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 12 | 0 |
| 1999 | 15 | 0 |
| 2000 | 14 | 0 |
| 2001 | 9 | 6 |
| 2002 | 13 | 10 |
| 2003 | 13 | 20 |
| 2004 | 10 | 15 |
| 2005 | 10 | 12 |
| 2006 | 3 | 16 |
| 2007 | 8 | 24 |
| 2008 | 15 | 27 |
| 2009 | 14 | 68 |
| 2010 | 35 | 94 |
| 2011 | 34 | 82 |
| 2012 | 46 | 87 |
| 2013 | 68 | 80 |
| 2014 | 87 | 107 |
| 2015 | 79 | 120 |
| 2016 | 94 | 110 |
| 2017 | 102 | 120 |
| 2018 | 93 | 144 |
| 2019 | 98 | 127 |
| 2020 | 104 | 113 |
| 2021 | 88 | 97 |
| 2022 | 86 | 118 |
| 2023 | 80 | 104 |
| 2024 | 63 | 92 |
| 2025 | 60 | 56 |
| 2026 | 35 | 50 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Exhaust gas purification catalyst6 Oct 2026US 12,752,237 B2Cataler Corporation
- Multi-layer TWC formulations with optimalized PGM loadings29 Sep 2026US 12,746,510 B2Johnson Matthey Public Limited Company
- Layered tri-metallic catalytic article and method of manufacturing the catalytic article29 Sep 2026US 12,746,532 B2BASF Mobile Emissions Catalysts LLC
- Exhaust gas purification device and method for manufacturing exhaust gas purification device29 Sep 2026US 12,746,533 B2Cataler Corporation
- Method for manufacturing exhaust gas purification catalyst29 Sep 2026US 12,746,538 B2Cataler Corporation
- Exhaust purification device8 Oct 2026US 2026/0307009 A1Mazda Motor Corporation
- System for treating an exhaust gas8 Oct 2026US 2026/0307052 A1Johnson Matthey Public Limited Company
- Systems for catalytically removing per- and polyfluoroalkyl substances from a fluid and related methods1 Oct 2026US 2026/0296939 A1Arizona Board of Regents on behalf of Arizona State University
- Catalyst article for treating exhaust gas, its method of manufacture and uses thereof10 Sep 2026US 2026/0264015 A1Johnson Matthey Public Limited Company
- Catalyst article for treating exhaust gas, its method of manufacture and uses thereof10 Sep 2026US 2026/0264058 A1Johnson Matthey Public Limited Company
Most cited
By later US patents
- Exhaust gas purification device for an internal combustion engine197US 5,974,791 AToyota Jidosha Kabushiki Kaisha · 1999
- NOx decreasing apparatus for an internal combustion engine153US 5,412,946 AKabushiki Kaisha Toyota Chuo Kenkyusho · 1995
- Method and apparatus for emission control148US 6,314,722 B1Matros Technologies, Inc. · 2001
- Apparatus, method, and system for concentrating adsorbable pollutants and abatement thereof119US 6,105,365 AEngelhard Corporation · 2000
- Method for converting exhaust gases from a diesel engine using nitrogen oxide absorbent96US 6,182,443 B2Ford Global Technologies, LLC · 2001