C01B 3/3231
Of alcohols
Official title: of alcohols, e.g. methanol or ethanol
C01B3/3231 (Of alcohols) appears on 87 US grants and 76 published applications in this corpus.
Search patents in C01B- Granted patents
- 87
- Published applications
- 76
- Assignees
- 56
- Inventors
- 185
- Latest grant
- 4 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 8 | 5 |
| 2002 | 4 | 8 |
| 2003 | 3 | 9 |
| 2004 | 5 | 2 |
| 2005 | 5 | 6 |
| 2006 | 4 | 1 |
| 2007 | 3 | 3 |
| 2008 | 2 | 1 |
| 2009 | 4 | 1 |
| 2010 | 4 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 4 |
| 2015 | 2 | 1 |
| 2016 | 0 | 2 |
| 2017 | 2 | 7 |
| 2018 | 1 | 1 |
| 2019 | 4 | 4 |
| 2020 | 4 | 4 |
| 2021 | 3 | 1 |
| 2022 | 1 | 4 |
| 2023 | 4 | 6 |
| 2024 | 3 | 1 |
| 2025 | 2 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Oxidative reforming and electrolysis system and process for hydrogen generation4 Nov 2025US 12,459,815 B2Pcc Hydrogen Inc.
- Method and system for converting non-methane hydrocarbons to recover hydrogen gas and/or methane gas therefrom29 Jul 2025US 12,371,320 B2Proteum Energy, LLC
- Oxidative reforming and electrolysis system and process for hydrogen generation10 Dec 2024US 12,162,757 B2Pcc Hydrogen Inc.
- Method and system for converting non-methane hydrocarbons to recover hydrogen gas and/or methane gas therefrom2 Jul 2024US 12,024,429 B2Proteum Energy, LLC
- Catalyst composition, catalyst and method for manufacturing the same, and method for hydrogen production6 Feb 2024US 11,891,303 B2National Cheng Kung University
- Method and device for obtaining high-purity hydrogen from methanol or ammonia2 Jul 2026US 2026/0184562 A1
- Integrated hydrogen production and charging system and method thereof31 Jul 2025US 2025/0243054 A1Chung-Hsin Electric & Machinery Mfg. Corp.
- Oxidative reforming and electrolysis system and process for hydrogen generation27 Mar 2025US 2025/0100877 A1Pcc Hydrogen Inc.
- Reforming units for hydrogen production24 Oct 2024US 2024/0351875 A1Golu Hydrogen Technologies Inc.
- Method and System for Converting Non-Methane Hydrocarbons to Recover Hydrogen Gas and/or Methane Gas Therefrom9 Nov 2023US 2023/0357006 A1Proteum Energy, LLC
Most cited
By later US patents
- Method and devices for producing hydrogen by plasma reformer64US 6,245,309 B1H2-Tech S.A.R.L · 2001
- Process for the production of hydrogen and electrical energy from reforming of bio-ethanol with the use of fuel cells and with zero emission of pollutants49US 6,387,554 B1Kadmos S.A. Investment Initiatives · 2002
- Steam-reforming catalytic structure and pure hydrogen generator comprising the same and method of operation of same44US 7,182,917 B2Hy9 Corporation · 2007
- Central heating device for a gas-generating system42US 6,187,066 B1DaimlerChrysler AG · 2001
- Process for the generation of pure hydrogen for use with fuel cells40US 6,162,267 AUop LLC · 2000