B01J 37/024
Multiple impregnation or coating
Official title: {Multiple impregnation or coating}
B01J37/024 (Multiple impregnation or coating) appears on 2,529 US grants and 2,952 published applications in this corpus.
Search patents in B01J- Granted patents
- 2,529
- Published applications
- 2,952
- Assignees
- 907
- Inventors
- 5,576
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 14 | 0 |
| 1977 | 8 | 0 |
| 1978 | 7 | 0 |
| 1979 | 9 | 0 |
| 1980 | 7 | 0 |
| 1981 | 22 | 0 |
| 1982 | 7 | 0 |
| 1983 | 5 | 0 |
| 1984 | 14 | 0 |
| 1985 | 11 | 0 |
| 1986 | 20 | 0 |
| 1987 | 6 | 0 |
| 1988 | 20 | 0 |
| 1989 | 15 | 0 |
| 1990 | 17 | 0 |
| 1991 | 23 | 0 |
| 1992 | 14 | 0 |
| 1993 | 21 | 0 |
| 1994 | 21 | 0 |
| 1995 | 21 | 0 |
| 1996 | 20 | 0 |
| 1997 | 22 | 0 |
| 1998 | 38 | 0 |
| 1999 | 29 | 0 |
| 2000 | 34 | 0 |
| 2001 | 28 | 20 |
| 2002 | 41 | 58 |
| 2003 | 44 | 87 |
| 2004 | 43 | 83 |
| 2005 | 46 | 81 |
| 2006 | 36 | 74 |
| 2007 | 41 | 71 |
| 2008 | 42 | 100 |
| 2009 | 58 | 153 |
| 2010 | 87 | 159 |
| 2011 | 86 | 129 |
| 2012 | 82 | 124 |
| 2013 | 114 | 118 |
| 2014 | 104 | 163 |
| 2015 | 121 | 175 |
| 2016 | 135 | 169 |
| 2017 | 140 | 153 |
| 2018 | 127 | 188 |
| 2019 | 140 | 138 |
| 2020 | 108 | 118 |
| 2021 | 109 | 99 |
| 2022 | 97 | 126 |
| 2023 | 83 | 128 |
| 2024 | 71 | 120 |
| 2025 | 88 | 69 |
| 2026 | 33 | 49 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Selective hydrogenation catalyst comprising a particular distribution of nickel and molybdenum6 Oct 2026US 12,752,261 B2Ifp Energies Nouvelles
- Exhaust gas purification device and method for manufacturing exhaust gas purification device29 Sep 2026US 12,746,533 B2Cataler Corporation
- Filter for air purification and manufacturing method thereof15 Sep 2026US 12,734,512 B2Hyundai Motor Company
- Selective catalytic reduction catalyst for the treatment of an exhaust gas8 Sep 2026US 12,728,409 B2BASF Mobile Emissions Catalysts LLC
- Composite for air purification, method of manufacturing the same, and filter including the same25 Aug 2026US 12,714,958 B2Hyundai Motor Company
- Modified copper zeolites and method of using the same for treatment of gas streams containing nox24 Sep 2026US 2026/0284646 A1BASF SE
- Methane oxidation catalysts, methods of using thereof, and methods of making thereof10 Sep 2026US 2026/0264057 A1Yale University
- Exhaust gas purification catalyst composition, exhaust gas purification catalyst and exhaust gas purification system3 Sep 2026US 2026/0257173 A1Mitsui Mining & Smelting Co., Ltd.
- Catalyst noble metal particles27 Aug 2026US 2026/0249275 A1Cataler Corporation
- Exhaust Gas Purification Catalyst20 Aug 2026US 2026/0243188 A1Cataler Corporation
Most cited
By later US patents
- Layered catalyst composite162US 5,597,771 AEngelhard Corporation · 1997
- Staged metal-promoted zeolite catalysts and method for catalytic reduction of nitrogen oxides using the same156US 5,516,497 AEngelhard Corporation · 1996
- Catalyst composition containing segregated platinum and rhodium components151US 5,057,483 AEngelhard Corporation · 1991
- Nanocoated primary particles and method for their manufacture141US 6,913,827 B2The Regents of the University of Colorado · 2005
- Insulating and functionalizing fine metal-containing particles with conformal ultra-thin films137US 6,713,177 B2The Regents of the University of Colorado · 2004