F28F 9/24
Arrangements for promoting turbulent flow of heat-exchange media
Official title: Arrangements for promoting turbulent flow of heat-exchange media, e.g. by plates (F28F1/38 takes precedence; in general F15D)
F28F9/24 (Arrangements for promoting turbulent flow of heat-exchange media) appears on 42 US grants and 57 published applications in this corpus.
Search patents in F28F- Granted patents
- 42
- Published applications
- 57
- Assignees
- 54
- Inventors
- 156
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 2 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 3 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 3 |
| 2014 | 3 | 0 |
| 2015 | 1 | 1 |
| 2016 | 0 | 1 |
| 2017 | 2 | 2 |
| 2018 | 0 | 3 |
| 2019 | 3 | 4 |
| 2020 | 1 | 7 |
| 2021 | 4 | 10 |
| 2022 | 8 | 5 |
| 2023 | 4 | 5 |
| 2024 | 5 | 0 |
| 2025 | 0 | 4 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Compositions and systems for elastic turbulence29 Sep 2026US 12,747,382 B2Schlumberger Technology Corporation
- Heat exchanger1 Oct 2024US 12,104,865 B2Promix Solutions AG
- Vertical heat exchanger6 Aug 2024US 12,055,350 B2Wieland Provides Srl
- Modular heating unit2 Jul 2024US 12,025,345 B2
- Phase change cold storage device having vortex coiled tubes18 Jun 2024US 12,013,146 B2Nanjing Tech University
- Heat dissipation device and power generation apparatus23 Jul 2026US 2026/0214834 A1Sungrow Power Supply Co., Ltd.
- Shell-and-tube heat exchanger and cooling or heating system comprising a shell-and-tube heat exchanger12 Feb 2026US 2026/0043624 A1Bitzer Kuhlmaschinenbau GmbH
- Condenser and turbo refrigerator29 Jan 2026US 2026/0029178 A1Mitsubishi Heavy Industries Thermal Systems, Ltd.
- Compact heat exchangers for gas purification heat recovery systems15 Jan 2026US 2026/0016234 A1Entegris, Inc.
- Fluid distributor for microchannel heat exchanger4 Dec 2025US 2025/0369708 A1Carrier Corporation
Most cited
By later US patents
- Compressed air dryer51US 4,235,081 AKellogg-American, Inc. · 1980
- Mass transfer device having a heat-exchanger32US 4,735,775 ABaxter Travenol Laboratories, Inc. · 1988
- Device and method for manufacturing turbulators for use in compact heat exchangers18US 6,502,447 B2Voss Manufacturing, Inc. · 2003
- Rods and mandrel turbulators for heat exchanger16US 5,454,429 A1995
- Heat exchanger apparatus for converting a shell-side liquid into a vapor15US 8,833,437 B2Holtec International · 2014