F01K 7/18
The turbine being of multiple-inlet-pressure type
Official title: the turbine being of multiple-inlet-pressure type
F01K7/18 (The turbine being of multiple-inlet-pressure type) appears on 74 US grants and 79 published applications in this corpus.
Search patents in F01K- Granted patents
- 74
- Published applications
- 79
- Assignees
- 45
- Inventors
- 187
- Latest grant
- 16 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 2 |
| 2010 | 2 | 4 |
| 2011 | 2 | 7 |
| 2012 | 0 | 2 |
| 2013 | 3 | 4 |
| 2014 | 8 | 6 |
| 2015 | 2 | 7 |
| 2016 | 6 | 4 |
| 2017 | 5 | 4 |
| 2018 | 3 | 13 |
| 2019 | 8 | 9 |
| 2020 | 5 | 5 |
| 2021 | 5 | 2 |
| 2022 | 6 | 1 |
| 2023 | 3 | 2 |
| 2024 | 3 | 3 |
| 2025 | 2 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Raw material fluid treatment plant and raw material fluid treatment method16 Dec 2025US 12,497,919 B2Mitsubishi Heavy Industries, Ltd.
- Steam turbine21 Jan 2025US 12,203,383 B2Mitsubishi Heavy Industries, Ltd.
- H2 boiler for steam system21 May 2024US 11,988,114 B2Mitsubishi Power Americas, Inc.
- Cascade organic Rankine cycle plant7 May 2024US 11,976,575 B2TURBODEN S. p. A.
- Raw material fluid treatment plant and raw material fluid treatment method26 Mar 2024US 11,939,915 B2Mitsubishi Heavy Industries, Ltd.
- Raw material fluid treatment plant and raw material fluid treatment method5 Mar 2026US 2026/0063069 A1Mitsubishi Heavy Industries, Ltd.
- Steam turbine19 Dec 2024US 2024/0418104 A1Mitsubishi Heavy Industries, Ltd.
- Combined cycle power generation31 Oct 2024US 2024/0360775 A1
- Raw material fluid treatment plant and raw material fluid treatment method6 Jun 2024US 2024/0183310 A1Mitsubishi Heavy Industries, Ltd.
- H2 boiler for steam system26 Oct 2023US 2023/0340896 A1Mitsubishi Power Americas, Inc.
Most cited
By later US patents
- Power generation from refinery waste heat streams59US 4,109,469 AUop LLC · 1978
- Multi-level organic rankine cycle power system46US 8,438,849 B2Ormat Technologies, Inc. · 2013
- Energy recovery apparatus for a gas compressor plant22US 4,342,201 AKawasaki Jukogyo Kabushiki Kaisha · 1982
- Optimization of steam distribution22US 4,421,068 AMeasurex Corporation · 1983
- Regulation system for a steam turbine installation21US 4,118,935 ABBC Aktiengesellschaft Brown, Boveri & Cie · 1978