B01J 23/40
Of the platinum group metals
Official title: of the platinum group metals
B01J23/40 (Of the platinum group metals) appears on 5,011 US grants and 5,723 published applications in this corpus.
Search patents in B01J- Granted patents
- 5,011
- Published applications
- 5,723
- Assignees
- 1,962
- Inventors
- 13,117
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 70 | 0 |
| 1977 | 52 | 0 |
| 1978 | 49 | 0 |
| 1979 | 47 | 0 |
| 1980 | 46 | 0 |
| 1981 | 37 | 0 |
| 1982 | 31 | 0 |
| 1983 | 45 | 0 |
| 1984 | 32 | 0 |
| 1985 | 39 | 0 |
| 1986 | 17 | 0 |
| 1987 | 25 | 0 |
| 1988 | 27 | 0 |
| 1989 | 19 | 0 |
| 1990 | 38 | 0 |
| 1991 | 37 | 0 |
| 1992 | 46 | 0 |
| 1993 | 34 | 0 |
| 1994 | 38 | 0 |
| 1995 | 32 | 0 |
| 1996 | 41 | 0 |
| 1997 | 35 | 0 |
| 1998 | 42 | 0 |
| 1999 | 48 | 0 |
| 2000 | 56 | 0 |
| 2001 | 70 | 38 |
| 2002 | 95 | 116 |
| 2003 | 88 | 134 |
| 2004 | 93 | 182 |
| 2005 | 67 | 160 |
| 2006 | 90 | 168 |
| 2007 | 82 | 160 |
| 2008 | 68 | 186 |
| 2009 | 105 | 190 |
| 2010 | 145 | 206 |
| 2011 | 145 | 215 |
| 2012 | 146 | 231 |
| 2013 | 167 | 217 |
| 2014 | 161 | 248 |
| 2015 | 211 | 247 |
| 2016 | 222 | 246 |
| 2017 | 218 | 274 |
| 2018 | 205 | 276 |
| 2019 | 247 | 274 |
| 2020 | 244 | 316 |
| 2021 | 219 | 326 |
| 2022 | 219 | 325 |
| 2023 | 210 | 328 |
| 2024 | 211 | 289 |
| 2025 | 186 | 225 |
| 2026 | 114 | 146 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Process for the production of trifluoroethylene6 Oct 2026US 12,753,134 B2Arkema France
- Catalytic hydrogenation of fluoroolefins, alpha-alumina supported palladium compositions and their use as hydrogenation catalysts6 Oct 2026US 12,753,136 B2The Chemours Company Fc, LLC
- Hydrogen fusible link29 Sep 2026US 12,746,417 B2Atomic Energy of Canada Limited/éNergie Atomique Du Canada LimitéE
- 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
- 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
- Photocatalytic c-c coupling reactions of terminal alkynes using cupric oxide-based mie resonator photocatalysts8 Oct 2026US 2026/0307053 A1
- Oxygen reduction catalyst and use thereof8 Oct 2026US 2026/0307067 A1Toyota Jidosha Kabushiki Kaisha
- Method for producing noble metal meshes on flatbed knitting machines8 Oct 2026US 2026/0308821 A1Heraeus Precious Metals GmbH & Co. KG
Most cited
By later US patents
- Process for the sensitization of an oxidation/reduction photocatalyst, and photocatalyst thus obtained420US 4,684,537 AR. E. Stiftung · 1987
- Titania-alumina supported palladium catalyst316US 8,507,720 B2Lyondell Chemical Technology, L,P. · 2013
- Utilization of energy obtained by substoichiometric combustion of low heating value gases296US 4,299,086 AGulf Research & Development Company · 1981
- Rigid porous carbon structures, methods of making, methods of using and products containing same143US 6,099,965 AHyperion Catalysis International, Inc. · 2000
- Catalyst for membrane electrode assembly and method of making136US 5,879,827 AMinnesota Mining and Manufacturing Company · 1999