F01K 25/14
Using industrial or other waste gases
Official title: using industrial or other waste gases
F01K25/14 (Using industrial or other waste gases) appears on 41 US grants and 48 published applications in this corpus.
Search patents in F01K- Granted patents
- 41
- Published applications
- 48
- Assignees
- 42
- Inventors
- 124
- Latest grant
- 6 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 2 | 1 |
| 2004 | 1 | 3 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 2 | 4 |
| 2016 | 1 | 4 |
| 2017 | 2 | 3 |
| 2018 | 6 | 8 |
| 2019 | 3 | 4 |
| 2020 | 5 | 1 |
| 2021 | 1 | 3 |
| 2022 | 0 | 1 |
| 2023 | 3 | 1 |
| 2024 | 1 | 4 |
| 2025 | 3 | 4 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Organic Rankine cycle decompression heat engine6 Jan 2026US RE50,731 E1Heat Source Energy Corp.
- Heat-transfer-liquid-operated turbine and compressor9 Dec 2025US 12,494,697 B2Technion Research & Development Foundation Limited
- CO2 power cycle with adiabatic compression8 Apr 2025US 12,270,320 B28 Rivers Capital, LLC
- Device to produce higher pressure and temperature in a gas21 Jan 2025US 12,203,414 B2Hyper Energy Australia Pty Ltd
- Thermal accumulator assembly10 Sep 2024US 12,084,993 B1Fca US LLC
- Method and system for managing drilling waste21 May 2026US 2026/0139190 A1Baker Hughes Oilfield Operations LLC
- Rankine cycle system, rankine-refrigeration cycle system and refrigerated vehicle21 Aug 2025US 2025/0262913 A1Zhejiang Ascenrise Heat Pump Co., Ltd.
- Co2 power cycle with adiabatic compression17 Jul 2025US 2025/0230759 A18 Rivers Capital, LLC
- Process plant for converting a solid input material into a solid process product13 Feb 2025US 2025/0051228 A1Dürr Systems AG
- Co2 power cycle with adiabatic compression13 Feb 2025US 2025/0052177 A18 Rivers Capital, LLC
Most cited
By later US patents
- Fractionation process with power generation by depressurizing the overhead vapor stream95US 4,471,619 AUop LLC · 1984
- Organic rankine cycle decompression heat engine46US 9,745,870 B2Heat Source Energy Corp. · 2017
- Hybrid thermal power and desalination apparatus and methods43US 9,932,970 B12018
- Organic rankine cycle decompression heat engine40US 10,400,635 B2Heat Source Energy Corp. · 2019
- Natural gas depressurization power recovery and reheat24US 4,677,827 AAir Products and Chemicals, Inc. · 1987