C25B 11/081
The element being a noble metal
Official title: the element being a noble metal
C25B11/081 (The element being a noble metal) appears on 228 US grants and 570 published applications in this corpus.
Search patents in C25B- Granted patents
- 228
- Published applications
- 570
- Assignees
- 314
- Inventors
- 1,500
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 5 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 2 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 2 |
| 2010 | 0 | 1 |
| 2011 | 1 | 1 |
| 2012 | 1 | 5 |
| 2013 | 0 | 3 |
| 2014 | 1 | 11 |
| 2015 | 5 | 15 |
| 2016 | 6 | 19 |
| 2017 | 5 | 13 |
| 2018 | 10 | 13 |
| 2019 | 12 | 16 |
| 2020 | 12 | 22 |
| 2021 | 11 | 32 |
| 2022 | 13 | 50 |
| 2023 | 18 | 70 |
| 2024 | 34 | 87 |
| 2025 | 32 | 130 |
| 2026 | 32 | 75 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Membrane electrode assembly for PEM water electrolysis capable of improving the electrical conductivity of the electrode layer and method of manufacturing thereof6 Oct 2026US 12,753,520 B2Korea Institute of Energy Research
- Electrocatalysts for H2O2 production6 Oct 2026US 12,753,521 B2The Regents of the University of California
- Production of chlorine, carbon monoxide and optionally hydrogen29 Sep 2026US 12,747,507 B2
- Water electrolysis cell and manufacturing method of the same22 Sep 2026US 12,742,244 B2Toyota Jidosha Kabushiki Kaisha
- Devices and methods for electrocatalytic hydrogen production8 Sep 2026US 12,729,449 B2Board of Trustees of the University of Arkansas
- Oxygen reduction catalyst and use thereof8 Oct 2026US 2026/0307067 A1Toyota Jidosha Kabushiki Kaisha
- Ammonia cracker8 Oct 2026US 2026/0308771 A1
- Electrode composition for proton exchange membrane water electrolysis, electrode for proton exchange membrane water electrolysis, anode, membrane-electrode assembly, and proton exchange membrane water electrolysis cell8 Oct 2026US 2026/0308785 A1Hyundai Motor Company
- Oxygen evolution reaction catalyst and method for its preparation8 Oct 2026US 2026/0308786 A1Johnson Matthey Public Limited Company
- Electrochemical oxygen reduction catalyst8 Oct 2026US 2026/0312075 A1Toyota Jidosha Kabushiki Kaisha
Most cited
By later US patents
- Finely particulated colloidal platinum compound and sol for producing the same, and method of preparation of fuel cell electrodes and the like employing the same55US 4,044,193 APrototech Company · 1977
- Electrochemically stable cathode54US 4,163,084 ALockheed Missiles & Space Company, Inc. · 1979
- Gold electrocatalyst, methods for preparing it, electrodes prepared therefrom and methods of using them48US 5,041,195 APhysical Sciences, Inc. · 1991
- Electrochemical cell having electrode comprising gold containing electrocatalyst46US 5,133,842 APhysical Sciences, Inc. · 1992
- Electrochemical peroxide generator43US 5,565,073 A1996