F01K 9/003
Condenser cooling circuits
Official title: {condenser cooling circuits}
F01K9/003 (Condenser cooling circuits) appears on 242 US grants and 283 published applications in this corpus.
Search patents in F01K- Granted patents
- 242
- Published applications
- 283
- Assignees
- 163
- Inventors
- 645
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 7 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 5 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 2 | 0 |
| 2003 | 1 | 2 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 2 |
| 2008 | 0 | 1 |
| 2009 | 0 | 10 |
| 2010 | 3 | 12 |
| 2011 | 5 | 11 |
| 2012 | 3 | 18 |
| 2013 | 9 | 18 |
| 2014 | 8 | 13 |
| 2015 | 12 | 29 |
| 2016 | 11 | 23 |
| 2017 | 19 | 26 |
| 2018 | 21 | 25 |
| 2019 | 27 | 21 |
| 2020 | 28 | 23 |
| 2021 | 21 | 14 |
| 2022 | 15 | 8 |
| 2023 | 10 | 6 |
| 2024 | 3 | 6 |
| 2025 | 5 | 6 |
| 2026 | 6 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Ambient temperature thermal adapter for supercritical carbon dioxide power cycle4 Aug 2026US 12,698,730 B2TerraPower, LLC
- Heat pump systems and methods14 Jul 2026US 12,680,734 B2AtmosZero, Inc.
- Tunnel type hybrid cooling steam recycling apparatus21 Apr 2026US 12,607,410 B2Big Sun Energy Technology Inc.
- Gland condenser skid systems by shell and plates technology24 Feb 2026US 12,560,107 B2Nuovo Pignone Tecnologie Srl
- Method and improved device for converting thermal energy into kinetic energy27 Jan 2026US 12,535,017 B2
- Ambient temperature thermal adapter for supercritical carbon dioxide power cycle8 Oct 2026US 2026/0309058 A1TerraPower, LLC
- Heat Pump Systems and Methods17 Sep 2026US 2026/0276247 A1AtmosZero, Inc.
- Power generation system3 Sep 2026US 2026/0258738 A1Twenty20 Energy Systems Pte Ltd
- High-efficiency steam power cycle system for cascaded utilization of energy7 May 2026US 2026/0125992 A1Wuhan Second Ship Design and Research Institute
- Heat Pump Systems and Methods22 Jan 2026US 2026/0022875 A1AtmosZero, Inc.
Most cited
By later US patents
- Compression and condensation of turbine exhaust steam88US 6,484,503 B12002
- Systems and methods for controlling the pressure of a working fluid at an inlet of a pressurization device of a heat engine system75US 10,472,994 B2Echogen Power Systems, LLC · 2019
- Coal slurry system65US 4,765,781 ASouthwestern Public Service Company · 1988
- Heat engine system with a supercritical working fluid and processes thereof61US 9,118,226 B2Echogen Power Systems, LLC · 2015
- Method and system for generating power from low- and mid- temperature heat sources using supercritical rankine cycles with zeotropic mixtures51US 9,376,937 B2University of South Florida · 2016