F28F 2250/04
Communication passages between channels
F28F2250/04 (Communication passages between channels) appears on 74 US grants and 81 published applications in this corpus.
Search patents in F28F- Granted patents
- 74
- Published applications
- 81
- Assignees
- 71
- Inventors
- 201
- Latest grant
- 2 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 4 |
| 2003 | 4 | 2 |
| 2004 | 3 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 3 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 3 |
| 2011 | 0 | 7 |
| 2012 | 1 | 3 |
| 2013 | 3 | 4 |
| 2014 | 2 | 3 |
| 2015 | 2 | 2 |
| 2016 | 3 | 3 |
| 2017 | 2 | 5 |
| 2018 | 4 | 4 |
| 2019 | 2 | 4 |
| 2020 | 5 | 14 |
| 2021 | 9 | 4 |
| 2022 | 4 | 6 |
| 2023 | 7 | 3 |
| 2024 | 5 | 3 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Heat exchanger including cross channel communication2 Sep 2025US 12,405,064 B2Honeywell International Inc.
- Engine apparatus and method for operation29 Oct 2024US 12,129,812 B2Hyliion Holdings Corp.
- Heating apparatus29 Oct 2024US 12,130,050 B2Munster Simms Engineering Limited
- Device and method for a two phase heat transfer29 Oct 2024US 12,130,093 B2National University of Singapore
- Constant density heat exchanger and system for energy conversion7 May 2024US 11,976,610 B2Hyliion Holdings Corp.
- Arrangement for a temperature control circuit6 Mar 2025US 2025/0074159 A1Ti Automotive Technology Center GmbH
- Heat sink6 Jun 2024US 2024/0183628 A1Furukawa Electric Co., Ltd.
- Monolithic heat-exchanger bodies16 May 2024US 2024/0159201 A1Hyliion Holdings Corp.
- Heat exchanger including cross channel communication9 May 2024US 2024/0151476 A1Honeywell International Inc.
- Constant density heat exchanger and system for energy conversion20 Jul 2023US 2023/0228229 A1General Electric Company
Most cited
By later US patents
- Isothermal heat sink with cross-flow openings between channels90US 6,301,109 B1International Business Machines Corporation · 2001
- Cooling system for electronic circuit components67US 4,712,158 AFujitsu Limited · 1987
- Ribbon-like plate heat pipes35US 5,642,775 AActronics Kabushiki Kaisha · 1997
- Linked, manufacturable, non-plugging microcircuits28US 6,705,831 B2United Technologies Corporation · 2004
- Method of manufacturing tunnel-plate type heat pipes24US 5,737,840 AActronics Kabushiki Kaisha · 1998