F01K 17/005
Steam engine plants: using steam or condensate extracted or exhausted from steam
Official title: {by means of a heat pump (heat pumps systems per se F25B)}
F01K17/005 (Steam engine plants: using steam or condensate extracted or exhausted from steam) appears on 39 US grants and 47 published applications in this corpus.
Search patents in F01K- Granted patents
- 39
- Published applications
- 47
- Assignees
- 32
- Inventors
- 103
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 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 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 4 |
| 2009 | 0 | 3 |
| 2010 | 2 | 1 |
| 2011 | 3 | 4 |
| 2012 | 1 | 0 |
| 2013 | 2 | 4 |
| 2014 | 1 | 1 |
| 2015 | 1 | 1 |
| 2016 | 0 | 6 |
| 2017 | 2 | 2 |
| 2018 | 4 | 3 |
| 2019 | 1 | 0 |
| 2020 | 1 | 4 |
| 2021 | 2 | 2 |
| 2022 | 2 | 4 |
| 2023 | 0 | 0 |
| 2024 | 2 | 1 |
| 2025 | 0 | 2 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Heat pump systems and methods14 Jul 2026US 12,680,734 B2AtmosZero, Inc.
- Method and improved device for converting thermal energy into kinetic energy27 Jan 2026US 12,535,017 B2
- Facility for generating mechanical energy by means of a combined power cycle26 Nov 2024US 12,152,508 B2
- Binary cycle power system9 Apr 2024US 11,952,919 B2Weresco Oy
- Ultra efficient turbo-compression cooling systems11 Oct 2022US 11,466,907 B2Colorado State University Research Foundation
- Heat Pump Systems and Methods17 Sep 2026US 2026/0276247 A1AtmosZero, Inc.
- Heat Pump Systems and Methods22 Jan 2026US 2026/0022875 A1AtmosZero, Inc.
- Heat and power cogeneration system31 Jul 2025US 2025/0243789 A1Practical Solutions LLC
- Method and improved device for converting thermal energy into kinetic energy22 May 2025US 2025/0163832 A1
- Heat pump integrated with a nuclear power plant19 Sep 2024US 2024/0310034 A1GE-Hitachi Nuclear Energy Americas LLC
Most cited
By later US patents
- Apparatus for generating thermal energy and electrical energy80US 4,264,826 AElmapa N.V. · 1981
- Cogeneration power plant and method for operating a cogeneration power plant41US 9,726,441 B2Siemens Aktiengesellshcaft · 2017
- Heat and power cogeneration system40US 11,396,828 B2Dylan M. Chase · 2022
- Multi-stage apparatus having working-fluid and absorption cycles, and method of operation thereof36US 4,531,374 A1985
- Steam-electrical generating system using geothermal heat source19US 4,343,999 ADuke Power Company · 1982