F01K 7/16
The engines being only of turbine type
Official title: the engines being only of turbine type (the engines using steam of critical or overcritical pressure F01K7/32; the engines being of extraction or non-condensing type F01K7/34)
F01K7/16 (The engines being only of turbine type) appears on 780 US grants and 890 published applications in this corpus.
Search patents in F01K- Granted patents
- 780
- Published applications
- 890
- Assignees
- 328
- Inventors
- 1,748
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 8 | 0 |
| 1978 | 5 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 9 | 0 |
| 1983 | 5 | 0 |
| 1984 | 5 | 0 |
| 1985 | 2 | 0 |
| 1986 | 5 | 0 |
| 1987 | 6 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 4 | 0 |
| 1991 | 7 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 2 |
| 2003 | 4 | 5 |
| 2004 | 3 | 4 |
| 2005 | 3 | 5 |
| 2006 | 2 | 8 |
| 2007 | 4 | 6 |
| 2008 | 3 | 9 |
| 2009 | 6 | 13 |
| 2010 | 9 | 29 |
| 2011 | 8 | 40 |
| 2012 | 10 | 48 |
| 2013 | 22 | 51 |
| 2014 | 43 | 60 |
| 2015 | 42 | 101 |
| 2016 | 52 | 71 |
| 2017 | 74 | 102 |
| 2018 | 71 | 80 |
| 2019 | 83 | 60 |
| 2020 | 65 | 40 |
| 2021 | 46 | 42 |
| 2022 | 40 | 28 |
| 2023 | 27 | 26 |
| 2024 | 31 | 28 |
| 2025 | 24 | 18 |
| 2026 | 10 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- H2 power plant with O2 integration25 Aug 2026US 12,716,371 B2Mitsubishi Power Americas, Inc.
- Concentrated solar energy collection, thermal storage, and power generation systems and methods with optional supplemental fuel production25 Aug 2026US 12,716,618 B2247Solar Inc.
- Reaction turbine operating on condensing vapors18 Aug 2026US 12,709,999 B2
- Thermal sludge to energy transformer14 Jul 2026US 12,680,695 B2Gate 5 Energy Partners, Inc.
- System for compressing steam from a nuclear steam supply system to operate a turbogenerator7 Jul 2026US 12,676,248 B2Holtec International
- Thermal energy storage and power shifting system10 Sep 2026US 2026/0266203 A1Holtec International
- Power generation system3 Sep 2026US 2026/0258738 A1Twenty20 Energy Systems Pte Ltd
- Single-shaft combined cycle plant control device and single-shaft combined cycle plant control method3 Sep 2026US 2026/0258757 A1Mitsubishi Heavy Industries, Ltd.
- Process for controlling heat transfer and generating power6 Aug 2026US 2026/0225974 A1Uop LLC
- A method and a system for carbon neutral power generation30 Jul 2026US 2026/0217526 A1Nuovo Pignone Tecnologie Srl
Most cited
By later US patents
- Processing biomass176US 7,932,065 B2Xyleco, Inc. · 2011
- Dispatchable combined cycle power plant121US 10,113,535 B22018
- Method of and power plant for generating power by oxyfuel combustion104US 7,874,140 B2Foster Wheeler North America Corp. · 2011
- Heat engine and heat to electricity systems and methods92US 8,096,128 B2Echogen Power Systems, LLC · 2012
- Energy recovery during expansion of compressed gas using power plant low-quality heat sources88US 7,007,474 B1The United States of America as represented by the United States Department of Energy · 2006