F01K 3/262
By means of heat exchangers
Official title: {by means of heat exchangers}
F01K3/262 (By means of heat exchangers) appears on 43 US grants and 34 published applications in this corpus.
Search patents in F01K- Granted patents
- 43
- Published applications
- 34
- Assignees
- 30
- Inventors
- 101
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 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 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 2 |
| 2015 | 1 | 4 |
| 2016 | 3 | 0 |
| 2017 | 3 | 2 |
| 2018 | 1 | 3 |
| 2019 | 2 | 1 |
| 2020 | 1 | 1 |
| 2021 | 1 | 2 |
| 2022 | 3 | 3 |
| 2023 | 1 | 3 |
| 2024 | 4 | 4 |
| 2025 | 1 | 3 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System for compressing steam from a nuclear steam supply system to operate a turbogenerator7 Jul 2026US 12,676,248 B2Holtec International
- Thermal oscillation systems19 Aug 2025US 12,392,302 B2Exency Ltd.
- System and related method for converting fossil-fueled generating plants to clean energy24 Dec 2024US 12,176,116 B2Holtec International
- Method and apparatus for improving energy efficiency in existing gas turbine combined cycle plants4 Jun 2024US 12,000,335 B2
- H2 boiler for steam system21 May 2024US 11,988,114 B2Mitsubishi Power Americas, Inc.
- Apparatus for thermal energy storage and plant for energy transformation and storage24 Sep 2026US 2026/0286867 A1Energy Dome S.P.A.
- Thermal oscillation systems13 Nov 2025US 2025/0347257 A1Exency Ltd.
- Dual-powertrain pumped heat energy storage with inventory control and purge13 Mar 2025US 2025/0084773 A1Malta Inc.
- System and related method for converting fossil-fueled generating plants to clean energy27 Feb 2025US 2025/0069766 A1Holtec International
- Thermal oscillation systems26 Dec 2024US 2024/0426259 A1Exency Ltd.
Most cited
By later US patents
- Control system with adaptive process controllers especially adapted for electric power plant operation84US 3,939,328 AWestinghouse Electric Corp. · 1976
- Organic rankine cycle decompression heat engine46US 9,745,870 B2Heat Source Energy Corp. · 2017
- Method and apparatus for implementing a thermodynamic cycle with intercooling44US 4,604,867 A1986
- Method and apparatus for thermal power generation41US 4,164,849 AThe United States of America as represented by the United States Department of Energy · 1979
- Organic rankine cycle decompression heat engine40US 10,400,635 B2Heat Source Energy Corp. · 2019