F01K 3/04
The engine being of multiple-inlet-pressure type
Official title: the engine being of multiple-inlet-pressure type
F01K3/04 (The engine being of multiple-inlet-pressure type) appears on 12 US grants and 11 published applications in this corpus.
Search patents in F01K- Granted patents
- 12
- Published applications
- 11
- Assignees
- 11
- Inventors
- 30
- Latest grant
- 21 Feb 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 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 | 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 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 0 | 3 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 3 |
| 2021 | 3 | 1 |
| 2022 | 1 | 1 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Systems and methods for generating electricity via a pumped thermal energy storage system21 Feb 2023US 11,585,244 B2Supercritical Storage Company, Inc.
- Modeling and control of gas cycle power plant operation with variant control profile13 Dec 2022US 11,525,375 B2General Electric Company
- Systems and methods for generating electricity via a pumped thermal energy storage system30 Nov 2021US 11,187,112 B2Echogen Power Systems, LLC
- Internal combustion engine waste heat utilization system20 Jul 2021US 11,066,974 B2
- Systems and methods for generating electricity via a pumped thermal energy storage system5 Jan 2021US 10,883,388 B2Echogen Power Systems, LLC
- Systems and methods for generating electricity via a pumped thermal energy storage system24 Feb 2022US 2022/0056817 A1Echogen Power Systems, LLC
- Modeling and control of gas cycle power plant operation with variant control profile14 Oct 2021US 2021/0317759 A1General Electric Company
- Internal combustion engine waste heat utilization system24 Sep 2020US 2020/0300147 A1
- Systems and Methods for Generating Electricity Via a Pumped Thermal Energy Storage System2 Jan 2020US 2020/0003080 A1Echogen Power Systems, LLC
- Systems and Methods for Generating Electricity Via a Pumped Thermal Energy Storage System2 Jan 2020US 2020/0003081 A1Echogen Power Systems, LLC
Most cited
By later US patents
- Power plant utilizing multi-stage turbines72US 4,428,190 AOrmat Turbines, Ltd. · 1984
- Systems and methods for generating electricity via a pumped thermal energy storage system64US 11,187,112 B2Echogen Power Systems, LLC · 2021
- Method and apparatus for peak-load coverage and stop-gap reserve in steam power plants60US 4,164,848 A1979
- Systems and methods for generating electricity via a pumped thermal energy storage system53US 10,883,388 B2Echogen Power Systems, LLC · 2021
- Steam-type peak-power generating system36US 3,982,379 ASiempelkamp Giesserei KG · 1976