F04D 29/5866
Cooling at last part of the working fluid in a heat exchanger
Official title: {Cooling at last part of the working fluid in a heat exchanger}
F04D29/5866 (Cooling at last part of the working fluid in a heat exchanger) appears on 78 US grants and 71 published applications in this corpus.
Search patents in F04D- Granted patents
- 78
- Published applications
- 71
- Assignees
- 63
- Inventors
- 160
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 2 |
| 2007 | 2 | 2 |
| 2008 | 1 | 1 |
| 2009 | 2 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 2 |
| 2016 | 1 | 4 |
| 2017 | 1 | 2 |
| 2018 | 0 | 6 |
| 2019 | 3 | 10 |
| 2020 | 12 | 11 |
| 2021 | 6 | 8 |
| 2022 | 10 | 10 |
| 2023 | 7 | 2 |
| 2024 | 6 | 1 |
| 2025 | 2 | 3 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems and methods of cooling surgical instruments26 May 2026US 12,636,059 B2Covidien LP
- Methods, systems, and apparatus to control a fluid provided to components in a fluid pump of a closed loop system24 Feb 2026US 12,560,178 B2General Electric Company
- Layered barrier cans for pumps and methods of producing the same21 Oct 2025US 12,448,978 B2General Electric Company
- Gas-driven generator system comprising an elongate gravitational distribution conduit coupled with a gas injection system8 Apr 2025US 12,270,404 B2
- Thermo-electric chiller/heater component methods and systems26 Nov 2024US 12,152,606 B2
- Methods, systems, and apparatus to control a fluid provided to components in a fluid pump of a closed loop system2 Jul 2026US 2026/0185540 A1General Electric Company
- Pump16 Apr 2026US 2026/0104061 A1City St George's, University of London
- Systems and methods for improving the performance of a gas-driven generator using a phase change refrigerant24 Jul 2025US 2025/0237219 A1
- Pump system10 Jul 2025US 2025/0223967 A1Baker Hughes Energy Technology UK Limited
- Oil lubrication-type compressor for cryocooler6 Feb 2025US 2025/0043999 A1Sumitomo Heavy Industries, Ltd.
Most cited
By later US patents
- Instantaneous hot-water delivery system41US 5,983,922 A1999
- Pump for periodic conveyance of the cooled-down water content of a hot water distribution line32US 5,941,275 A1999
- Temperature regulated hot water recirculation system29US 6,227,235 B12001
- Electrically heated pump for spas and swimming pools26US 4,594,500 AWright Spa Pools Ltd · 1986
- Canned motor pumps pressurized recirculation system16US 4,616,980 ACrane Co. · 1986