F01K 23/18
Plants characterised by more than one engine delivering power external to the
Official title: characterised by adaptation for specific use
F01K23/18 (Plants characterised by more than one engine delivering power external to the) appears on 52 US grants and 70 published applications in this corpus.
Search patents in F01K- Granted patents
- 52
- Published applications
- 70
- Assignees
- 34
- Inventors
- 112
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 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 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 3 |
| 2014 | 0 | 1 |
| 2015 | 3 | 14 |
| 2016 | 2 | 9 |
| 2017 | 5 | 3 |
| 2018 | 11 | 5 |
| 2019 | 4 | 5 |
| 2020 | 4 | 3 |
| 2021 | 2 | 2 |
| 2022 | 5 | 6 |
| 2023 | 8 | 6 |
| 2024 | 0 | 4 |
| 2025 | 5 | 3 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Energy utilization system and method for producing carbon-containing material2 Jun 2026US 12,644,193 B2Daikin Industries, Ltd.
- Hydrogen fueled electric power plant with thermal energy storage12 May 2026US 12,624,649 B2Pintail Power LLC
- Thermal energy storage system for simple and combined cycle power generation25 Nov 2025US 12,480,719 B2Rondo Energy, Inc.
- Systems and methods utilizing gas temperature as a power source28 Oct 2025US 12,454,896 B2ICE Thermal Harvesting, LLC
- Liquid air power and storage12 Aug 2025US 12,385,432 B2Pintail Power LLC
- Thermal energy storage system for simple and combined cycle power generation11 Jun 2026US 2026/0160501 A1Rondo Energy, Inc.
- Self-sufficient system for evaporation of lng16 Apr 2026US 2026/0103999 A1Nuovo Pignone Tecnologie Srl
- Systems and methods utilizing gas temperature as a power source22 Jan 2026US 2026/0022647 A1ICE Thermal Harvesting, LLC
- Hydrogen fueled electric power plant with thermal energy storage27 Nov 2025US 2025/0361822 A1Pintail Power LLC
- Thermal energy storage system for simple and combined cycle power generation30 Oct 2025US 2025/0334350 A1Rondo Energy, Inc.
Most cited
By later US patents
- Dispatchable combined cycle power plant121US 10,113,535 B22018
- Mass management system for a supercritical working fluid circuit81US 10,077,683 B2Echogen Power Systems, LLC · 2018
- Dispatchable solar hybrid power plant74US 9,816,490 B22017
- Thermodynamic cycle operating at low pressure using a radial turbine41US 10,082,030 B2Climeon AB · 2018
- Systems and methods utilizing gas temperature as a power source18US 11,480,074 B1ICE Thermal Harvesting, LLC · 2022