F01K 23/068
In combination with an oxygen producing plant
Official title: {in combination with an oxygen producing plant, e.g. an air separation plant}
F01K23/068 (In combination with an oxygen producing plant) appears on 150 US grants and 123 published applications in this corpus.
Search patents in F01K- Granted patents
- 150
- Published applications
- 123
- Assignees
- 66
- Inventors
- 313
- Latest grant
- 7 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 4 | 0 |
| 1987 | 5 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 6 | 0 |
| 1995 | 7 | 0 |
| 1996 | 4 | 0 |
| 1997 | 6 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 3 |
| 2002 | 3 | 2 |
| 2003 | 2 | 2 |
| 2004 | 4 | 3 |
| 2005 | 3 | 1 |
| 2006 | 2 | 1 |
| 2007 | 0 | 2 |
| 2008 | 0 | 6 |
| 2009 | 1 | 18 |
| 2010 | 5 | 26 |
| 2011 | 9 | 17 |
| 2012 | 8 | 9 |
| 2013 | 14 | 7 |
| 2014 | 10 | 10 |
| 2015 | 11 | 3 |
| 2016 | 6 | 1 |
| 2017 | 3 | 2 |
| 2018 | 2 | 0 |
| 2019 | 1 | 1 |
| 2020 | 2 | 4 |
| 2021 | 3 | 0 |
| 2022 | 0 | 2 |
| 2023 | 1 | 0 |
| 2024 | 2 | 3 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Powder supply hopper pressurizing apparatus, gasifier unit, integrated gasification combined cycle and control method of powder supply hopper pressurizing apparatus7 Oct 2025US 12,434,923 B2Mitsubishi Heavy Industries, Ltd.
- Cogeneration of chemical products24 Sep 2024US 12,098,658 B28 Rivers Capital, LLC
- Power production with cogeneration of further products2 Jan 2024US 11,859,517 B28 Rivers Capital, LLC
- System and method for obtaining power by the use of low-quality hydrocarbons and hydrogen produced from the water in the generation of combustion energy8 Aug 2023US 11,719,135 B2
- Method for exhaust waste energy recovery at the reciprocating gas engine-based polygeneration plant24 Aug 2021US 11,098,643 B2
- Cogeneration of chemical products5 Dec 2024US 2024/0401502 A18 Rivers Capital, LLC
- Systems and methods for reducing emissions in gas turbine engines7 Nov 2024US 2024/0369224 A1GE Infrastructure Technology LLC
- Power production with cogeneration of further products14 Mar 2024US 2024/0084721 A18 Rivers Capital, LLC
- System and method for obtaining power by the use of low-quality hydrocarbons and hydrogen produced from the water in the generation of combustion energy13 Oct 2022US 2022/0325638 A1
- Power production with cogeneration of further products31 Mar 2022US 2022/0099003 A18 Rivers Capital, LLC
Most cited
By later US patents
- Medium-load power-generating plant with integrated coal gasification plant287US 4,608,818 AKraftwerk Union Aktiengesellschaft · 1986
- Solid-fueled power generation system with carbon dioxide sequestration and method therefor203US 6,148,602 ANorther Research & Engineering Corporation · 2000
- Partial oxidation process with production of power170US 5,345,756 ATexaco Inc. · 1994
- Power generation system153US 5,265,410 AMitsubishi Jukogyo Kabushiki Kaisha · 1993
- Use of nitrogen from an air separation unit as gas turbine air compressor feed refrigerant to improve power output141US 5,388,395 AAir Products and Chemicals, Inc. · 1995