C01B 3/326
Characterised by the catalysts
Official title: characterised by the catalysts
C01B3/326 (Characterised by the catalysts) appears on 192 US grants and 222 published applications in this corpus.
Search patents in C01B- Granted patents
- 192
- Published applications
- 222
- Assignees
- 177
- Inventors
- 686
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 8 | 0 |
| 2001 | 4 | 5 |
| 2002 | 6 | 12 |
| 2003 | 9 | 9 |
| 2004 | 3 | 7 |
| 2005 | 10 | 11 |
| 2006 | 3 | 7 |
| 2007 | 4 | 13 |
| 2008 | 6 | 10 |
| 2009 | 5 | 8 |
| 2010 | 11 | 12 |
| 2011 | 8 | 8 |
| 2012 | 11 | 15 |
| 2013 | 12 | 10 |
| 2014 | 4 | 8 |
| 2015 | 10 | 8 |
| 2016 | 5 | 12 |
| 2017 | 4 | 4 |
| 2018 | 7 | 5 |
| 2019 | 2 | 4 |
| 2020 | 4 | 5 |
| 2021 | 4 | 4 |
| 2022 | 4 | 7 |
| 2023 | 5 | 13 |
| 2024 | 6 | 12 |
| 2025 | 4 | 8 |
| 2026 | 9 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Synthesis of zinc / titanium monolithic photocatalysts and applications thereof15 Sep 2026US 12,734,508 B1United Arab Emirates University
- Dehydrogenation method and hydrogen production system using the same8 Sep 2026US 12,729,115 B2Hyundai Motor Company
- Steam reforming30 Jun 2026US 12,668,488 B2Johnson Matthey Davy Technologies Limited
- Reactor for on-demand high pressure hydrogen2 Jun 2026US 12,643,788 B2Triad National Security, LLC
- Method for preparing hydrogen-rich synthesis gas by degrading polyolefin waste plastics at low temperature26 May 2026US 12,637,351 B2Zhejiang University
- Synthesis of zinc / titanium monolithic photocatalysts and applications thereof24 Sep 2026US 2026/0284642 A1United Arab Emirates University
- Catalytic conversion method of carbonaceous fuel into synthesis gas and apparatus for catalytic conversion of carbonaceous fuel into synthesis gas27 Aug 2026US 2026/0250128 A1
- Catalytic process using ammonia as hydrogen source for carbon dioxide conversion13 Aug 2026US 2026/0233183 A1Agency for Science, Technology and Research
- Photocatalyst composite, method of preparing the same and method of producing hydrogen29 Jan 2026US 2026/0027558 A1National Cheng Kung University
- Group (viii) catalysts for generation of green hydrogen and acetic acid from ethanol and its mechanism thereof29 Jan 2026US 2026/0028301 A1Indian Institute of Technology, Guwahati
Most cited
By later US patents
- Steam reformer with internal hydrogen purification269US 5,997,594 ANorthwest Power Systems, LLC · 1999
- Nanotechnology for engineering the performance of substances140US 6,531,704 B2NanoProducts Corporation · 2003
- Method and device for transforming chemical compositions120US 6,214,195 B1Nanomaterials Research Corporation · 2001
- Low-temperature hydrogen production from oxygenated hydrocarbons101US 6,699,457 B2Wisconsin Alumni Research Foundation · 2004
- Field assisted transformation of chemical and material compositions99US 6,267,864 B1Nanomaterials Research Corporation · 2001