F28F 27/02
Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
Official title: for controlling the distribution of heat-exchange media between different channels ({static flow control means in header boxes F28F9/026}; arrangements of guide plates or guide vanes F28F9/22, F28F25/12)
F28F27/02 (Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus) appears on 935 US grants and 1,146 published applications in this corpus.
Search patents in F28F- Granted patents
- 935
- Published applications
- 1,146
- Assignees
- 631
- Inventors
- 2,453
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 6 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 8 | 0 |
| 1986 | 3 | 0 |
| 1987 | 8 | 0 |
| 1988 | 5 | 0 |
| 1989 | 3 | 0 |
| 1990 | 6 | 0 |
| 1991 | 2 | 0 |
| 1992 | 6 | 0 |
| 1993 | 6 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 9 | 0 |
| 1999 | 12 | 0 |
| 2000 | 8 | 0 |
| 2001 | 13 | 7 |
| 2002 | 9 | 7 |
| 2003 | 10 | 17 |
| 2004 | 11 | 14 |
| 2005 | 8 | 19 |
| 2006 | 12 | 21 |
| 2007 | 10 | 30 |
| 2008 | 6 | 34 |
| 2009 | 10 | 30 |
| 2010 | 20 | 39 |
| 2011 | 15 | 35 |
| 2012 | 16 | 58 |
| 2013 | 21 | 59 |
| 2014 | 26 | 64 |
| 2015 | 34 | 92 |
| 2016 | 50 | 70 |
| 2017 | 69 | 91 |
| 2018 | 78 | 82 |
| 2019 | 88 | 69 |
| 2020 | 68 | 62 |
| 2021 | 62 | 50 |
| 2022 | 49 | 52 |
| 2023 | 40 | 44 |
| 2024 | 34 | 38 |
| 2025 | 32 | 34 |
| 2026 | 23 | 28 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Zero-power-consumption self-adaptive distributed waste heat recovery and utilization system for ethylene device8 Sep 2026US 12,729,854 B2Beijing Aerospace Energy Conservation and Environmental Protection Technology Co., Ltd
- Heat exchange assembly1 Sep 2026US 12,723,821 B2Zhejiang Sanhua Automotive Components Co., Ltd.
- Electro-magnetic thermal control valve4 Aug 2026US 12,698,838 B2Ingersoll-Rand Industrial U.S., Inc.
- Heat exchanger unit and method for fluid to passively bypassing a heat exchanger28 Jul 2026US 12,693,079 B2Bosal Flanders NV
- Movable coolant processing apparatus21 Jul 2026US 12,687,331 B2Tokyo Electron Limited
- Cooling apparatus, substrate processing apparatus and a method for cooling a processing liquid1 Oct 2026US 2026/0298564 A1SCREEN Holdings Co., Ltd.
- Oil temperature regulation assembly3 Sep 2026US 2026/0258739 A1
- Heat management fluid module for vehicle30 Jul 2026US 2026/0218952 A1Hanon Systems
- Modular cooler and isolation valve assembly30 Jul 2026US 2026/0218999 A1Forum US, Inc.
- Heat exchanger and thermal management system23 Jul 2026US 2026/0210646 A1Zhejiang Yinlun Machinery Co., Ltd.
Most cited
By later US patents
- Precooling heat exchange arrangement integral with mounting structure fairing of gas turbine engine104US 5,123,242 AGeneral Electric Company · 1992
- Cooling system for a vehicle having an internal-combustion engine99US 5,215,044 ABehr GmbH & Co. · 1993
- By-pass values for heat exchanger80US 6,253,837 B1Long Manufacturing Ltd. · 2001
- Cooling system76US 10,260,419 B2General Electric Company · 2019
- System for controlling recirculated exhaust gas temperature in an internal combustion engine75US 5,732,688 ACummins Engine Company, Inc. · 1998