Y02P 20/52
Using catalysts
Official title: using catalysts, e.g. selective catalysts
Y02P20/52 (Using catalysts) appears on 8,567 US grants and 7,702 published applications in this corpus.
Search patents in Y02P- Granted patents
- 8,567
- Published applications
- 7,702
- Assignees
- 2,211
- Inventors
- 15,183
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 85 | 0 |
| 1977 | 92 | 0 |
| 1978 | 108 | 0 |
| 1979 | 87 | 0 |
| 1980 | 114 | 0 |
| 1981 | 144 | 0 |
| 1982 | 126 | 0 |
| 1983 | 123 | 0 |
| 1984 | 129 | 0 |
| 1985 | 113 | 0 |
| 1986 | 93 | 0 |
| 1987 | 92 | 0 |
| 1988 | 109 | 0 |
| 1989 | 101 | 0 |
| 1990 | 101 | 0 |
| 1991 | 72 | 0 |
| 1992 | 83 | 0 |
| 1993 | 87 | 0 |
| 1994 | 62 | 0 |
| 1995 | 86 | 0 |
| 1996 | 80 | 0 |
| 1997 | 78 | 0 |
| 1998 | 92 | 0 |
| 1999 | 104 | 0 |
| 2000 | 129 | 0 |
| 2001 | 128 | 36 |
| 2002 | 139 | 183 |
| 2003 | 135 | 483 |
| 2004 | 148 | 276 |
| 2005 | 151 | 219 |
| 2006 | 152 | 189 |
| 2007 | 175 | 233 |
| 2008 | 157 | 228 |
| 2009 | 146 | 240 |
| 2010 | 205 | 378 |
| 2011 | 221 | 345 |
| 2012 | 213 | 355 |
| 2013 | 264 | 426 |
| 2014 | 313 | 530 |
| 2015 | 333 | 454 |
| 2016 | 653 | 406 |
| 2017 | 432 | 393 |
| 2018 | 342 | 362 |
| 2019 | 330 | 351 |
| 2020 | 285 | 339 |
| 2021 | 287 | 330 |
| 2022 | 215 | 260 |
| 2023 | 219 | 312 |
| 2024 | 189 | 169 |
| 2025 | 165 | 141 |
| 2026 | 80 | 64 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Palladium-based membrane25 Aug 2026US 12,715,767 B2National University of Singapore
- Molybdenum-vanadium-iron- and/or molybdenum-vanadium-aluminium-based oxidative dehydrogenation catalyst materials18 Aug 2026US 12,708,893 B2NOVA Chemicals (International) S.A.
- Molybdenum-vanadium-iron- and/or molybdenum-vanadium-aluminium-based oxidative dehydrogenation catalyst materials18 Aug 2026US 12,708,894 B2NOVA Chemicals (International) S.A.
- Microorganisms and methods for enhancing the availability of reducing equivalents in the presence of methanol, and for producing 1,4-butanediol related thereto30 Jun 2026US 12,668,820 B2Genomatica, Inc.
- Process for producing a porous alpha-alumina catalyst support16 Jun 2026US 12,654,152 B2BASF SE
- Copper-zinc oxide-aluminum oxide catalyst for carbon dioxide hydrogenation to methanol and method of preparation thereof20 Aug 2026US 2026/0241371 A1Bharat Petroleum Corporation Limited
- Catalyst, method for producing catalyst, and method for producing acrylonitrile20 Aug 2026US 2026/0241372 A1Asahi Kasei Kabushiki Kaisha
- Reduced methane byproduct formation in methanol synthesis using indium-based catalysts13 Aug 2026US 2026/0233212 A1King Abdullah University of Science and Technology
- Ceria-supported catalyst13 Aug 2026US 2026/0233994 A1Khalifa University of Science and Technology
- Catalyst for synthesizing ammonia showing high activity under low pressure and low temperature conditions and method of synthesizing ammonia using the same6 Aug 2026US 2026/0225082 A1Korea Institute of Energy Research
Most cited
By later US patents
- Apparatus for on-site production of nitrate ions409US 7,514,058 B1The Lata Group, Inc. · 2009
- Method for simultaneous recovery of hydrogen from water and from hydrocarbons351US 5,525,322 AThe Regents of the University of California · 1996
- Process for the manufacture of gasoline300US 4,138,442 AMobil Oil Corporation · 1979
- Conversion of synthesis gas to hydrocarbon mixtures299US 4,096,163 AMobil Oil Corporation · 1978
- Silica-coated alumina activator-supports for metallocene catalyst compositions292US 7,884,163 B2Chevron Phillips Chemical Company LP · 2011