F01K 3/20
With heating by combustion gases of main boiler
Official title: with heating by combustion gases of main boiler
F01K3/20 (With heating by combustion gases of main boiler) appears on 62 US grants and 63 published applications in this corpus.
Search patents in F01K- Granted patents
- 62
- Published applications
- 63
- Assignees
- 54
- Inventors
- 163
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 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 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 3 |
| 2011 | 1 | 3 |
| 2012 | 0 | 2 |
| 2013 | 1 | 2 |
| 2014 | 1 | 4 |
| 2015 | 2 | 4 |
| 2016 | 1 | 1 |
| 2017 | 4 | 12 |
| 2018 | 2 | 3 |
| 2019 | 13 | 7 |
| 2020 | 4 | 3 |
| 2021 | 5 | 2 |
| 2022 | 1 | 7 |
| 2023 | 4 | 4 |
| 2024 | 5 | 3 |
| 2025 | 1 | 2 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems and methods for steam supply to gas capture system during shutdown14 Apr 2026US 12,601,292 B1GE Vernova Infrastructure Technology LLC
- Start-up and control of liquid salt energy storage combined cycle systems24 Mar 2026US 12,584,424 B2Pintail Power LLC
- Systems and methods utilizing gas temperature as a power source27 May 2025US 12,312,981 B2ICE Thermal Harvesting, LLC
- System for readying sub-critical and super-critical steam generator, servicing method of said sub-critical and super-critical steam generator and method of operation of sub-critical and super-critical steam generator24 Dec 2024US 12,173,627 B2General Electric Technology GmbH
- Start-up and control of liquid salt energy storage combined cycle systems29 Oct 2024US 12,129,773 B2Pintail Power LLC
- Long-duration phes systems with modular configurations27 Mar 2025US 2025/0101886 A1Malta Inc.
- Start-up and control of liquid salt energy storage combined cycle systems6 Feb 2025US 2025/0043701 A1Pintail Power LLC
- System for readying sub-critical and super-critical steam generator, servicing method of said sub-critical and super-critical steam generator and method of operation of sub-critical and super-critical steam generator11 Jul 2024US 2024/0229683 A9General Electric Technology GmbH
- System for readying sub-critical and super-critical steam generator, servicing method of said sub-critical and super-critical steam generator and method of operation of sub-critical and super-critical steam generator25 Apr 2024US 2024/0133319 A1General Electric Technology GmbH
- Wind-assisted air supply to coal-fired power plants7 Mar 2024US 2024/0077202 A9
Most cited
By later US patents
- Hybrid pumped thermal systems52US 10,288,357 B2Malta Inc. · 2019
- Systems and methods for energy storage and retrieval44US 10,012,448 B2X Development LLC · 2018
- Advanced control system for power generation44US 4,027,145 A1977
- Coordinated control system for an electric power plant44US 4,287,430 AFoster Wheeler Energy Corporation · 1981
- Power system and apparatus utilizing intermediate temperature waste heat31US 7,841,179 B2Kalex, LLC · 2010