C01B 32/40
Carbon monoxide
C01B32/40 (Carbon monoxide) appears on 417 US grants and 566 published applications in this corpus.
Search patents in C01B- Granted patents
- 417
- Published applications
- 566
- Assignees
- 357
- Inventors
- 1,491
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 5 | 0 |
| 1978 | 3 | 0 |
| 1979 | 4 | 0 |
| 1980 | 4 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 8 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 4 | 0 |
| 1988 | 5 | 0 |
| 1989 | 5 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 5 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 10 | 1 |
| 2002 | 4 | 3 |
| 2003 | 2 | 7 |
| 2004 | 3 | 9 |
| 2005 | 7 | 5 |
| 2006 | 4 | 3 |
| 2007 | 1 | 10 |
| 2008 | 4 | 5 |
| 2009 | 4 | 9 |
| 2010 | 3 | 8 |
| 2011 | 2 | 6 |
| 2012 | 5 | 15 |
| 2013 | 9 | 10 |
| 2014 | 8 | 19 |
| 2015 | 13 | 25 |
| 2016 | 19 | 20 |
| 2017 | 30 | 21 |
| 2018 | 18 | 30 |
| 2019 | 18 | 26 |
| 2020 | 14 | 22 |
| 2021 | 19 | 37 |
| 2022 | 22 | 41 |
| 2023 | 29 | 56 |
| 2024 | 25 | 55 |
| 2025 | 33 | 76 |
| 2026 | 28 | 47 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Complex oxides for reactive oxygen separation and related applications6 Oct 2026US 12,752,260 B2North Carolina State University
- Circular carbon process29 Sep 2026US 12,747,159 B2BASF SE
- Method and device for producing carbon monoxide from carbon dioxide22 Sep 2026US 12,741,876 B2Siemens Energy Global GmbH & Co. KG
- Synthesis of zinc / titanium monolithic photocatalysts and applications thereof15 Sep 2026US 12,734,508 B1United Arab Emirates University
- Zn-metal oxide/zeolite catalyst and methods of making thereof8 Sep 2026US 12,728,410 B2The Regents of the University of California
- Highly dispersed metal carbonate catalysts8 Oct 2026US 2026/0307063 A1BASF SE
- Fe-n-c catalyst, method of preparation and uses thereof1 Oct 2026US 2026/0297760 A1Gaznat SA
- Systems, methods, and catalysts for syngas, chemical, and fuel production24 Sep 2026US 2026/0284639 A1Dimensional Energy, Inc.
- Synthesis of zinc / titanium monolithic photocatalysts and applications thereof24 Sep 2026US 2026/0284642 A1United Arab Emirates University
- Cleaning of co2 containing feed gases24 Sep 2026US 2026/0285689 A1Topsoe A/S
Most cited
By later US patents
- Thermal synthesis apparatus and process128US 6,821,500 B2Bechtel BWXT Idaho, LLC · 2004
- Production of hydrogen and carbon monoxide106US 4,861,351 AAir Products and Chemicals, Inc. · 1989
- Separation of gas mixtures including hydrogen88US 5,234,472 AThe BOC Group, Inc. · 1993
- Thermal synthesis apparatus83US 7,576,296 B2Battelle Energy Alliance, LLC · 2009
- Method of removing carbon dioxide emissions from in-situ recovery of bitumen and heavy oil69US 8,167,960 B2Osum Oil Sands Corp. · 2012