F01K 13/02
Controlling
Official title: Controlling, e.g. stopping or starting
F01K13/02 (Controlling) appears on 1,077 US grants and 1,204 published applications in this corpus.
Search patents in F01K- Granted patents
- 1,077
- Published applications
- 1,204
- Assignees
- 355
- Inventors
- 2,206
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 14 | 0 |
| 1977 | 14 | 0 |
| 1978 | 10 | 0 |
| 1979 | 6 | 0 |
| 1980 | 5 | 0 |
| 1981 | 5 | 0 |
| 1982 | 5 | 0 |
| 1983 | 3 | 0 |
| 1984 | 12 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 6 | 0 |
| 2002 | 4 | 3 |
| 2003 | 3 | 3 |
| 2004 | 1 | 5 |
| 2005 | 3 | 5 |
| 2006 | 7 | 11 |
| 2007 | 6 | 11 |
| 2008 | 4 | 9 |
| 2009 | 4 | 20 |
| 2010 | 13 | 38 |
| 2011 | 17 | 75 |
| 2012 | 19 | 71 |
| 2013 | 39 | 72 |
| 2014 | 59 | 92 |
| 2015 | 49 | 106 |
| 2016 | 57 | 70 |
| 2017 | 89 | 113 |
| 2018 | 85 | 88 |
| 2019 | 101 | 78 |
| 2020 | 81 | 49 |
| 2021 | 66 | 54 |
| 2022 | 66 | 65 |
| 2023 | 49 | 55 |
| 2024 | 69 | 56 |
| 2025 | 35 | 37 |
| 2026 | 31 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Thermal energy storage system coupled with a solid oxide electrolysis system6 Oct 2026US 12,753,710 B2Rondo Energy, Inc.
- Thermal energy storage system coupled with thermal power cycle systems8 Sep 2026US 12,729,632 B1Rondo Energy, Inc.
- Thermal energy storage systems for use in material processing1 Sep 2026US 12,723,524 B2Rondo Energy, Inc.
- H2 power plant with O2 integration25 Aug 2026US 12,716,371 B2Mitsubishi Power Americas, Inc.
- Methods for material activation with thermal energy storage system18 Aug 2026US 12,709,998 B2Rondo Energy, Inc.
- Steam supply system and steam supply method24 Sep 2026US 2026/0286868 A1Mitsubishi Heavy Industries, Ltd.
- Thermal energy storage and power shifting system10 Sep 2026US 2026/0266203 A1Holtec International
- Oxy-fuel expander system including multiple heat exchangers and method6 Aug 2026US 2026/0226863 A1Nuovo Pignone Tecnologie Srl
- Plant control device and calculation amount changeability determination method30 Jul 2026US 2026/0221771 A1Hitachi, Ltd.
- System for reheat steam temperature turndown control in heat recovery steam generators23 Jul 2026US 2026/0210275 A1General Electric Technology GmbH
Most cited
By later US patents
- Processing biomass176US 7,932,065 B2Xyleco, Inc. · 2011
- Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange119US 8,436,489 B2LightSail Energy, Inc. · 2013
- Plant operation control system111US 5,873,251 AKabushiki Kaisha Toshiba · 1999
- Oilfield application of solar energy collection92US 8,701,773 B2GlassPoint Solar, Inc. · 2014
- Methods for reducing wear on components of a heat engine system at startup85US 9,638,065 B2Echogen Power Systems, LLC · 2017