C25B 1/23
Carbon monoxide or syngas
C25B1/23 (Carbon monoxide or syngas) appears on 295 US grants and 749 published applications in this corpus.
Search patents in C25B- Granted patents
- 295
- Published applications
- 749
- Assignees
- 262
- Inventors
- 1,317
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 4 |
| 2010 | 0 | 2 |
| 2011 | 3 | 5 |
| 2012 | 1 | 5 |
| 2013 | 3 | 5 |
| 2014 | 4 | 8 |
| 2015 | 1 | 11 |
| 2016 | 8 | 18 |
| 2017 | 10 | 14 |
| 2018 | 11 | 27 |
| 2019 | 13 | 26 |
| 2020 | 14 | 42 |
| 2021 | 26 | 50 |
| 2022 | 16 | 78 |
| 2023 | 31 | 92 |
| 2024 | 40 | 139 |
| 2025 | 61 | 125 |
| 2026 | 45 | 95 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electrochemical co-production of hydrogen and carbon monoxide6 Oct 2026US 12,753,519 B2Utility Global, Inc.
- Electrolysis cell, electrolyzer and method for reducing CO26 Oct 2026US 12,753,522 B2Covestro Intellectual Property GmbH & Co.KG
- Production of chlorine, carbon monoxide and optionally hydrogen29 Sep 2026US 12,747,507 B2
- Multi-cell COx electrolyzer stacks29 Sep 2026US 12,747,510 B2Twelve Benefit Corporation
- Device and method for carbon dioxide electrolysis or carbon monoxide electrolysis22 Sep 2026US 12,742,248 B2Siemens Energy Global GmbH & Co. KG
- Co2 and h2o co-electrolyser system8 Oct 2026US 2026/0308775 A1Ecole Polytechnique Federale De Lausanne (Epfl)
- Re-activation process of gas diffusion electrode8 Oct 2026US 2026/0308788 A1Vito NV
- Electrolyte Solution for Reversible CO2 Capture and Electrochemical Conversion24 Sep 2026US 2026/0286540 A1UNM Rainforest Innovations
- Electrolyser cell unit with flat separator24 Sep 2026US 2026/0286554 A1
- Natural gas reforming system and process thereof17 Sep 2026US 2026/0274662 A1Doosan Enerbility Co., Ltd.
Most cited
By later US patents
- Process for the electrocatalytic conversion of light hydrocarbons to synthesis gas58US 4,793,904 AThe Standard Oil Company · 1988
- Method of gasifying carbonaceous materials50US 4,279,710 AUniversity Patents, Inc. · 1981
- Electrochemical production of synthesis gas from carbon dioxide45US 8,721,866 B2Liquid Light, Inc. · 2014
- Acid promoted electrocatalytic reduction of carbon dioxide by square planar transition metal complexes43US 4,668,349 AThe Standard Oil Company · 1987
- Electrolysis of carbon dioxide in aqueous media to carbon monoxide and hydrogen for production of methanol41US 8,138,380 B2University of Southern California · 2012