F01K 9/02
Arrangements or modifications of condensate or air pumps
F01K9/02 (Arrangements or modifications of condensate or air pumps) appears on 99 US grants and 82 published applications in this corpus.
Search patents in F01K- Granted patents
- 99
- Published applications
- 82
- Assignees
- 60
- Inventors
- 214
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 4 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 2 |
| 2008 | 0 | 0 |
| 2009 | 3 | 1 |
| 2010 | 1 | 0 |
| 2011 | 1 | 1 |
| 2012 | 1 | 2 |
| 2013 | 0 | 5 |
| 2014 | 1 | 3 |
| 2015 | 2 | 14 |
| 2016 | 2 | 6 |
| 2017 | 6 | 7 |
| 2018 | 10 | 9 |
| 2019 | 6 | 8 |
| 2020 | 10 | 3 |
| 2021 | 7 | 4 |
| 2022 | 5 | 4 |
| 2023 | 2 | 1 |
| 2024 | 2 | 4 |
| 2025 | 1 | 3 |
| 2026 | 4 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Two-phase thermal pump15 Sep 2026US 12,735,999 B2Rolls-Royce North American Technologies Inc.
- Ship waste heat power generation system utilizing waste heat from ships16 Jun 2026US 12,655,777 B2Korea Institute of Ocean Science & Technology
- Ship cogeneration system using waste heat of LNG engine ship recovered through economizer10 Feb 2026US 12,546,237 B2Korea Institute of Ocean Science & Technology
- Collecting apparatus, condensation equipment, and collecting method10 Feb 2026US 12,546,537 B2Mitsubishi Heavy Industries, Ltd.
- Two-phase thermal pump1 Apr 2025US 12,264,601 B2Rolls-Royce North American Technologies Inc.
- Thermal energy storage system11 Jun 2026US 2026/0160188 A1Technion Research & Development Foundation Limited
- Heat and power cogeneration system31 Jul 2025US 2025/0243789 A1Practical Solutions LLC
- Ship waste heat power generation system utilizing waste heat from ships19 Jun 2025US 2025/0198314 A1Korea Institute of Ocean Science & Technology
- Two-phase thermal pump12 Jun 2025US 2025/0188853 A1Rolls-Royce North American Technologies Inc.
- Ship cogeneration system using waste heat of lng engine ship recovered through economizer18 Jul 2024US 2024/0240576 A1Korea Institute of Ocean Science & Technology
Most cited
By later US patents
- Heat engine system having a selectively configurable working fluid circuit82US 9,874,112 B2Echogen Power Systems, LLC · 2018
- Heat engine system with a supercritical working fluid and processes thereof61US 9,118,226 B2Echogen Power Systems, LLC · 2015
- Power plant52US 9,512,741 B2Fuji Electric Co., Ltd. · 2016
- Steam power plant43US 4,873,829 A1989
- Heat and power cogeneration system40US 11,396,828 B2Dylan M. Chase · 2022