C01B 2203/84
Energy production
C01B2203/84 (Energy production) appears on 498 US grants and 726 published applications in this corpus.
Search patents in C01B- Granted patents
- 498
- Published applications
- 726
- Assignees
- 302
- Inventors
- 1,296
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 8 | 0 |
| 2001 | 7 | 2 |
| 2002 | 0 | 8 |
| 2003 | 4 | 10 |
| 2004 | 12 | 21 |
| 2005 | 9 | 25 |
| 2006 | 11 | 18 |
| 2007 | 12 | 28 |
| 2008 | 7 | 38 |
| 2009 | 15 | 33 |
| 2010 | 17 | 47 |
| 2011 | 20 | 62 |
| 2012 | 23 | 43 |
| 2013 | 38 | 25 |
| 2014 | 33 | 45 |
| 2015 | 33 | 32 |
| 2016 | 32 | 31 |
| 2017 | 25 | 29 |
| 2018 | 17 | 21 |
| 2019 | 14 | 14 |
| 2020 | 20 | 11 |
| 2021 | 13 | 10 |
| 2022 | 10 | 17 |
| 2023 | 18 | 45 |
| 2024 | 30 | 49 |
| 2025 | 29 | 33 |
| 2026 | 15 | 29 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Liquefaction process6 Oct 2026US 12,753,353 B1
- Nuclear reactor integrated oil and gas production systems and methods of operation6 Oct 2026US 12,753,674 B2Natura Resources LLC
- Clean hydrogen production through the sulfur-iodine cycle8 Sep 2026US 12,729,113 B2Inventus Holdings, LLC
- Extraction and integration of waste heat from enhanced geologic hydrogen production25 Aug 2026US 12,716,339 B2Koloma, Inc.
- Hydrogen enhanced geothermal power production11 Aug 2026US 12,703,627 B2Koloma, Inc.
- Systems and methods for powering an electric cracking unit of an on-board ammonia cracking system17 Sep 2026US 2026/0274656 A1First Ammonia Motors, Inc.
- High-efficiency hydrogen turbine power generation system using blue hydrogen10 Sep 2026US 2026/0266216 A1Lowcarbon Co., Ltd.
- Process for producing power in a gas turbine20 Aug 2026US 2026/0243197 A1Johnson Matthey Davy Technologies Limited
- Systems and methods for regulating engine coolant flow to control engine temperature and fuel temperature13 Aug 2026US 2026/0233992 A1First Ammonia Motors, Inc.
- Extraction and integration of waste heat from enhanced geologic hydrogen production13 Aug 2026US 2026/0235020 A1Koloma, Inc.
Most cited
By later US patents
- Catalytic ceramic membrane steam-hydrocarbon reformer269US 5,229,102 AMedalert Corporation · 1993
- Integrated flameless distributed combustion/steam reforming membrane reactor for hydrogen production and use thereof in zero emissions hybrid power system186US 6,821,501 B2Shell Oil Company · 2004
- Staged combustion of a low heating value fuel gas for driving a gas turbine166US 6,201,029 B1Marathon Oil Company · 2001
- Reactor-membrane permeator process for hydrocarbon reforming and water gas-shift reactions135US 6,090,312 A2000
- Thermal power plant with sequential combustion and reduced-CO2 emission, and a method for operating a plant of this type129US 7,503,178 B2ALSTOM Technology Ltd · 2009