B01J 29/072
Iron group metals or copper
B01J29/072 (Iron group metals or copper) appears on 485 US grants and 570 published applications in this corpus.
Search patents in B01J- Granted patents
- 485
- Published applications
- 570
- Assignees
- 250
- Inventors
- 1,346
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 4 | 0 |
| 1990 | 6 | 0 |
| 1991 | 2 | 0 |
| 1992 | 7 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 7 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 8 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 0 |
| 2002 | 0 | 10 |
| 2003 | 7 | 6 |
| 2004 | 1 | 5 |
| 2005 | 8 | 11 |
| 2006 | 5 | 3 |
| 2007 | 5 | 9 |
| 2008 | 2 | 14 |
| 2009 | 8 | 39 |
| 2010 | 13 | 34 |
| 2011 | 13 | 34 |
| 2012 | 23 | 32 |
| 2013 | 23 | 34 |
| 2014 | 22 | 31 |
| 2015 | 23 | 38 |
| 2016 | 24 | 36 |
| 2017 | 40 | 36 |
| 2018 | 31 | 41 |
| 2019 | 30 | 30 |
| 2020 | 24 | 35 |
| 2021 | 31 | 19 |
| 2022 | 23 | 20 |
| 2023 | 27 | 16 |
| 2024 | 17 | 24 |
| 2025 | 7 | 7 |
| 2026 | 4 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Carbon dioxide processing agent and method for producing same22 Sep 2026US 12,741,272 B2Eau De Merus Co., Ltd.
- Phosphor-transition metal-photocatalyst hybrid composite material, method for preparing the same, and filter using the same12 May 2026US 12,623,209 B2Hyundai Motor Company
- Process to convert light alkanes to diesel17 Feb 2026US 12,553,002 B2Phillips 66 Company
- Catalyst for the abatement of ammonia and nitrogen oxide emissions from the exhaust gases of combustion engines3 Feb 2026US 12,539,493 B2Umicore AG & Co. KG
- Valve arrangement for split-flow close-coupled catalyst2 Sep 2025US 12,404,794 B2Cummins Emission Solutions Inc.
- Method for converting orthohydrogen to parahydrogen10 Sep 2026US 2026/0265050 A1
- System for treating exhaust gas from nitrogen-containing-fuel- or hydrogen-combustor6 Aug 2026US 2026/0225040 A1Johnson Matthey Public Limited Company
- Reduction of nox and n2o in the exhaust gas of ship motors operated using nh330 Jul 2026US 2026/0216649 A1
- Catalysts and method for light hydrocarbon synthesis using renewable syngas23 Jul 2026US 2026/0208171 A1Enerkem, Inc.
- Catalyst for the abatement of ammonia and nitrogen oxide emissions from the exhaust gases of combustion engines16 Jul 2026US 2026/0199836 A1Umicore AG & Co. KG
Most cited
By later US patents
- Method for reduction of nitrogen oxides with ammonia using promoted zeolite catalysts223US 4,961,917 AEngelhard Corporation · 1990
- Staged metal-promoted zeolite catalysts and method for catalytic reduction of nitrogen oxides using the same156US 5,516,497 AEngelhard Corporation · 1996
- Catalytic system for the reducton of nitrogen oxides100US 5,589,147 AMobil Oil Corporation · 1996
- Process for reducing nitrogen oxides from exhaust gas99US 5,270,024 AKabushiki Kaisha Toyota Chuo Kenkyusho · 1993
- Catalysts for the reduction of ammonia emission from rich-burn exhaust92US 8,101,146 B2Johnson Matthey Public Limited Company · 2012