C01B 3/36
Using oxygen
Official title: using oxygen; using mixtures containing oxygen as gasifying agents
C01B3/36 (Using oxygen) appears on 757 US grants and 792 published applications in this corpus.
Search patents in C01B- Granted patents
- 757
- Published applications
- 792
- Assignees
- 368
- Inventors
- 1,753
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 24 | 0 |
| 1977 | 17 | 0 |
| 1978 | 11 | 0 |
| 1979 | 4 | 0 |
| 1980 | 9 | 0 |
| 1981 | 3 | 0 |
| 1982 | 10 | 0 |
| 1983 | 13 | 0 |
| 1984 | 8 | 0 |
| 1985 | 6 | 0 |
| 1986 | 2 | 0 |
| 1987 | 8 | 0 |
| 1988 | 4 | 0 |
| 1989 | 9 | 0 |
| 1990 | 8 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 6 | 0 |
| 1994 | 6 | 0 |
| 1995 | 4 | 0 |
| 1996 | 9 | 0 |
| 1997 | 7 | 0 |
| 1998 | 15 | 0 |
| 1999 | 17 | 0 |
| 2000 | 22 | 0 |
| 2001 | 10 | 4 |
| 2002 | 10 | 17 |
| 2003 | 18 | 20 |
| 2004 | 20 | 32 |
| 2005 | 9 | 25 |
| 2006 | 17 | 13 |
| 2007 | 10 | 23 |
| 2008 | 7 | 28 |
| 2009 | 16 | 33 |
| 2010 | 18 | 39 |
| 2011 | 12 | 34 |
| 2012 | 19 | 36 |
| 2013 | 30 | 32 |
| 2014 | 30 | 36 |
| 2015 | 39 | 41 |
| 2016 | 26 | 35 |
| 2017 | 27 | 29 |
| 2018 | 25 | 32 |
| 2019 | 22 | 26 |
| 2020 | 23 | 26 |
| 2021 | 17 | 27 |
| 2022 | 19 | 45 |
| 2023 | 26 | 44 |
| 2024 | 33 | 51 |
| 2025 | 31 | 41 |
| 2026 | 18 | 23 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for preparing synthesis gas6 Oct 2026US 12,753,074 B2LG Chem.Ltd.
- Autonomous modular flare gas conversion systems and methods6 Oct 2026US 12,753,138 B2M2X Energy Inc.
- Method and apparatus for regulating a flame length in a partial oxidation reactor11 Aug 2026US 12,704,258 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Direct reduced iron system and method21 Jul 2026US 12,686,893 B2Nucor Corporation
- Flexible process for converting carbon dioxide, hydrogen, and methane into synthesis gas14 Jul 2026US 12,679,725 B2Shell USA, Inc.
- Autonomous Modular Flare Gas Conversion Systems and Methods8 Oct 2026US 2026/0308093 A1M2X Energy Inc.
- Device and method for integrated production of aviation fuel and porous carbon by biomass pyrolysis with graded catalytic activation24 Sep 2026US 2026/0286229 A1Southeast 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
- Carbon formation chemical looping using oxygen27 Aug 2026US 2026/0250129 A1CZero Inc.
- Method for controlling a heat-consuming hydrocarbon conversion process13 Aug 2026US 2026/0234478 A1BASF SE
Most cited
By later US patents
- Electro-mechanical interfaces to mount robotic surgical arms470US 7,762,825 B2Intuitive Surgical Operations, Inc. · 2010
- Apparatus for surgical systems with electro-mechanical interfaces to mount robotic surgical arms276US 8,585,420 B2Intuitive Surgical Operations, Inc. · 2013
- Surgical system with electro-mechanical interfaces to mount robotic surgical arms273US 8,066,524 B2Intuitive Surgical Operations, Inc. · 2011
- Solid multi-component membranes, electrochemical reactor components, electrochemical reactors and use of membranes, reactor components, and reactor for oxidation reactions202US 5,306,411 AThe Standard Oil Company · 1994
- Rapid injection process and apparatus for producing synthesis gas (law 560)173US 5,886,056 AExxon Research & Engineering Co. · 1999