F01K 23/10
With exhaust fluid of one cycle heating the fluid in another cycle
Official title: with exhaust fluid of one cycle heating the fluid in another cycle (F01K17/025 takes precedence)
F01K23/10 (With exhaust fluid of one cycle heating the fluid in another cycle) appears on 1,631 US grants and 1,763 published applications in this corpus.
Search patents in F01K- Granted patents
- 1,631
- Published applications
- 1,763
- Assignees
- 502
- Inventors
- 3,015
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 17 | 0 |
| 1977 | 7 | 0 |
| 1978 | 5 | 0 |
| 1979 | 6 | 0 |
| 1980 | 10 | 0 |
| 1981 | 9 | 0 |
| 1982 | 12 | 0 |
| 1983 | 3 | 0 |
| 1984 | 7 | 0 |
| 1985 | 13 | 0 |
| 1986 | 9 | 0 |
| 1987 | 5 | 0 |
| 1988 | 2 | 0 |
| 1989 | 9 | 0 |
| 1990 | 17 | 0 |
| 1991 | 13 | 0 |
| 1992 | 5 | 0 |
| 1993 | 11 | 0 |
| 1994 | 15 | 0 |
| 1995 | 14 | 0 |
| 1996 | 11 | 0 |
| 1997 | 16 | 0 |
| 1998 | 28 | 0 |
| 1999 | 17 | 0 |
| 2000 | 30 | 0 |
| 2001 | 37 | 23 |
| 2002 | 35 | 22 |
| 2003 | 35 | 27 |
| 2004 | 24 | 48 |
| 2005 | 27 | 24 |
| 2006 | 23 | 29 |
| 2007 | 12 | 25 |
| 2008 | 15 | 24 |
| 2009 | 10 | 48 |
| 2010 | 18 | 78 |
| 2011 | 29 | 74 |
| 2012 | 43 | 91 |
| 2013 | 44 | 97 |
| 2014 | 62 | 125 |
| 2015 | 60 | 129 |
| 2016 | 80 | 120 |
| 2017 | 80 | 136 |
| 2018 | 112 | 126 |
| 2019 | 98 | 93 |
| 2020 | 105 | 79 |
| 2021 | 98 | 72 |
| 2022 | 79 | 64 |
| 2023 | 68 | 55 |
| 2024 | 55 | 68 |
| 2025 | 56 | 56 |
| 2026 | 35 | 30 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Steam supply system and steam supply method15 Sep 2026US 12,735,998 B2Mitsubishi Heavy Industries, Ltd.
- Thermal energy storage system and method with heat recovery steam generator1 Sep 2026US 12,723,525 B2Nooter/Eriksen, Inc.
- H2 power plant with O2 integration25 Aug 2026US 12,716,371 B2Mitsubishi Power Americas, Inc.
- Power generation system18 Aug 2026US 12,710,018 B2Landmark Technology Corporation
- Processor-based organic Rankine cycle system for predictively-modeled recovery and conversion of thermal energy7 Jul 2026US 12,674,402 B2
- System for reheat steam temperature turndown control in heat recovery steam generators8 Oct 2026US 2026/0309057 A1GE Vernova Infrastructure Technology LLC
- System and method for separation and use of nitrogen from inlet air or flue gas24 Sep 2026US 2026/0284593 A1GE Infrastructure Technology LLC
- Steam supply system and steam supply method24 Sep 2026US 2026/0286868 A1Mitsubishi Heavy Industries, Ltd.
- Power generation system3 Sep 2026US 2026/0258737 A1Twenty20 Energy Systems Pte Ltd
- Ammonia slip mitigation systems and methods30 Jul 2026US 2026/0217576 A1CPV Power Holdings, LP
Most cited
By later US patents
- Power plant with carbon dioxide capture and zero pollutant emissions254US 5,724,805 AUniversity of Massachusetts Lowell · 1998
- Mobile congeneration apparatus including inventive valve and boiler216US 5,517,822 AApplied Energy Systems of Oklahoma, Inc. · 1996
- Gas turbine compressor inlet pressurization system and method for power augmentation196US 6,530,224 B1General Electric Company · 2003
- Semi-closed Brayton cycle gas turbine power systems196US 6,910,335 B2Clean Energy Systems, Inc. · 2005
- Semi-closed brayton cycle gas turbine power systems191US 6,637,183 B2Clean Energy Systems, Inc. · 2003