B01J 29/20
Containing iron group metals, noble metals or copper
Official title: containing iron group metals, noble metals or copper
B01J29/20 (Containing iron group metals, noble metals or copper) appears on 261 US grants and 239 published applications in this corpus.
Search patents in B01J- Granted patents
- 261
- Published applications
- 239
- Assignees
- 135
- Inventors
- 735
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 5 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 6 | 0 |
| 1989 | 5 | 0 |
| 1990 | 4 | 0 |
| 1991 | 7 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 6 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 2 |
| 2003 | 4 | 3 |
| 2004 | 2 | 0 |
| 2005 | 4 | 4 |
| 2006 | 1 | 9 |
| 2007 | 2 | 5 |
| 2008 | 5 | 8 |
| 2009 | 6 | 13 |
| 2010 | 7 | 15 |
| 2011 | 3 | 10 |
| 2012 | 7 | 5 |
| 2013 | 9 | 11 |
| 2014 | 8 | 12 |
| 2015 | 9 | 10 |
| 2016 | 4 | 11 |
| 2017 | 10 | 17 |
| 2018 | 17 | 13 |
| 2019 | 10 | 19 |
| 2020 | 13 | 21 |
| 2021 | 20 | 12 |
| 2022 | 11 | 11 |
| 2023 | 10 | 11 |
| 2024 | 9 | 6 |
| 2025 | 5 | 6 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Disproportionation and transalkylation catalyst, and preparation and application thereof24 Feb 2026US 12,558,675 B2China Petroleum & Chemical Corporation
- Hydrogen oxidation catalysts for hydrogen-internal combustion engine systems13 Jan 2026US 12,523,169 B2BASF Mobile Emissions Catalysts LLC
- Preparation of SCR catalyst comprising Cu and Fe-exchanged zeolite, said catalyst, system comprising said catalyst and exhaust gas treatment using such9 Dec 2025US 12,491,502 B2BASF SE
- Heteroatom-doped zeolites for bifunctional catalytic applications2 Dec 2025US 12,485,406 B2ExxonMobil Technology and Engineering Company
- Diesel oxidation catalyst19 Aug 2025US 12,390,796 B2BASF Mobile Emissions Catalysts LLC
- Active acidic metallic porous composite for the effective deoxygenation & aromatization of bio-crude oil under methane environment9 Jul 2026US 2026/0192287 A1Kara Technologies Inc.
- Catalytic oxidation reactors for the removal of low-level methane in air21 May 2026US 2026/0138088 A1Massachusetts Institute of Technology
- Red mud and mordenite zeolite catalyst for simultaneous dehalogenation and conversion of plastic derived oil to fuels and chemicals2 Apr 2026US 2026/0091378 A1Saudi Arabian Oil Company
- Heterogeneous catalyst comprising platinum and ruthenium on a zeolite carrier and the use of such catalyst in a process for producing an ether2 Apr 2026US 2026/0092027 A1Dow Global Technologies LLC
- Nh3 abatement with greater selectivity to n212 Feb 2026US 2026/0042085 A1Johnson Matthey Public Limited Company
Most cited
By later US patents
- Staged metal-promoted zeolite catalysts and method for catalytic reduction of nitrogen oxides using the same156US 5,516,497 AEngelhard Corporation · 1996
- Ultrasonic piezoelectric transducer using a rubber mounting116US 4,193,009 A1980
- Staged metal-promoted zeolite catalysts and method for catalytic reduction of nitrogen oxides using the same88US 5,024,981 AEngelhard Corporation · 1991
- Alkylation/transalkylation process80US 4,870,222 AUop LLC · 1989
- Oxidation with encapsulated co-catalyst61US 4,582,650 AMonsanto Company · 1986