F01D 25/10
Heating
Official title: Heating, e.g. warming-up before starting
F01D25/10 (Heating) appears on 190 US grants and 217 published applications in this corpus.
Search patents in F01D- Granted patents
- 190
- Published applications
- 217
- Assignees
- 80
- Inventors
- 576
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 2 |
| 2002 | 3 | 1 |
| 2003 | 2 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 2 |
| 2006 | 3 | 1 |
| 2007 | 1 | 4 |
| 2008 | 1 | 4 |
| 2009 | 2 | 6 |
| 2010 | 2 | 7 |
| 2011 | 4 | 5 |
| 2012 | 3 | 5 |
| 2013 | 6 | 9 |
| 2014 | 6 | 10 |
| 2015 | 4 | 10 |
| 2016 | 4 | 23 |
| 2017 | 7 | 28 |
| 2018 | 19 | 23 |
| 2019 | 19 | 7 |
| 2020 | 20 | 14 |
| 2021 | 16 | 13 |
| 2022 | 17 | 13 |
| 2023 | 12 | 9 |
| 2024 | 11 | 10 |
| 2025 | 10 | 6 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Monitoring and control device for rotating machine, rotating machine equipment, monitoring and control method for rotating machine, and monitoring and control program for rotating machine18 Aug 2026US 12,709,990 B2Mitsubishi Heavy Industries, Ltd.
- Intercooled combustor nozzle guide vane and secondary air configuration17 Feb 2026US 12,553,609 B2Rtx Corporation
- Electrical power generated by carbon dioxide gas pressure letdown10 Feb 2026US 12,546,283 B2Sapphire Technologies, Inc.
- Load adjustment method, load adjustment device, and program30 Sep 2025US 12,429,002 B2Mitsubishi Heavy Industries, Ltd.
- Thermal energy system to minimize or eliminate rotor bow23 Sep 2025US 12,421,905 B2Rolls-Royce North American Technologies Inc.
- System and method for decongealing a heat exchanger18 Jun 2026US 2026/0168408 A1General Electric Company
- Steam turbine30 Apr 2026US 2026/0117674 A1Mitsubishi Heavy Industries, Ltd.
- Recovered-cycle aircraft turbine engine19 Feb 2026US 2026/0049618 A1Safran Helicopter Engines
- Stator vane with multi-access cooling air feed passage20 Nov 2025US 2025/0354498 A1Pratt & Whitney Canada Corp.
- Rotary device for inputting thermal energy into fluids and related systems31 Jul 2025US 2025/0243780 A1Coolbrook Oy
Most cited
By later US patents
- Active thrust management of a turbopump within a supercritical working fluid circuit in a heat engine system57US 10,570,777 B2Echogen Power Systems, LLC · 2020
- Heat transfer system for turbine engine using heat pipes53US 8,015,788 B2General Electric Company · 2011
- Turbine with internal heating passages45US 5,768,893 A1998
- Gas turbine, gas-turbine control device, and gas turbine operation method34US 10,352,243 B2Mitsubishi Heavy Industries, Ltd. · 2019
- Frame hub heating system34US 6,612,807 B2General Electric Company · 2003