B01D 2255/1025
Rhodium
B01D2255/1025 (Rhodium) appears on 960 US grants and 1,246 published applications in this corpus.
Search patents in B01D- Granted patents
- 960
- Published applications
- 1,246
- Assignees
- 303
- Inventors
- 1,961
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 9 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 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 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 6 | 0 |
| 1996 | 2 | 0 |
| 1997 | 5 | 0 |
| 1998 | 6 | 0 |
| 1999 | 8 | 0 |
| 2000 | 15 | 0 |
| 2001 | 7 | 6 |
| 2002 | 15 | 14 |
| 2003 | 12 | 18 |
| 2004 | 11 | 15 |
| 2005 | 11 | 10 |
| 2006 | 6 | 15 |
| 2007 | 8 | 21 |
| 2008 | 8 | 17 |
| 2009 | 12 | 49 |
| 2010 | 27 | 62 |
| 2011 | 20 | 64 |
| 2012 | 31 | 54 |
| 2013 | 52 | 52 |
| 2014 | 53 | 66 |
| 2015 | 54 | 69 |
| 2016 | 58 | 69 |
| 2017 | 69 | 76 |
| 2018 | 56 | 68 |
| 2019 | 50 | 61 |
| 2020 | 52 | 77 |
| 2021 | 58 | 73 |
| 2022 | 57 | 80 |
| 2023 | 55 | 74 |
| 2024 | 42 | 68 |
| 2025 | 45 | 40 |
| 2026 | 22 | 28 |
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
- Three-way conversion catalyst composition comprising platinum-rhodium bimetallic components11 Aug 2026US 12,702,968 B2BASF Mobile Emissions Catalysts LLC
- Exhaust purification device8 Oct 2026US 2026/0307009 A1Mazda Motor Corporation
- 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
- Exhaust gas purification catalyst composition, exhaust gas purification catalyst and exhaust gas purification system3 Sep 2026US 2026/0257173 A1Mitsui Mining & Smelting Co., Ltd.
- Exhaust Gas Purification Catalyst20 Aug 2026US 2026/0243188 A1Cataler Corporation
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
- Catalytic wall-flow filter103US 6,753,294 B1Johnson Matthey Public Limited Company · 2004