F28F 9/0214
Having only longitudinal partitions
Official title: {having only longitudinal partitions}
F28F9/0214 (Having only longitudinal partitions) appears on 182 US grants and 201 published applications in this corpus.
Search patents in F28F- Granted patents
- 182
- Published applications
- 201
- Assignees
- 109
- Inventors
- 524
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 6 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 4 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 8 | 0 |
| 2002 | 7 | 9 |
| 2003 | 4 | 5 |
| 2004 | 7 | 8 |
| 2005 | 2 | 4 |
| 2006 | 7 | 14 |
| 2007 | 4 | 12 |
| 2008 | 2 | 15 |
| 2009 | 5 | 6 |
| 2010 | 5 | 7 |
| 2011 | 6 | 9 |
| 2012 | 2 | 7 |
| 2013 | 2 | 6 |
| 2014 | 3 | 5 |
| 2015 | 2 | 7 |
| 2016 | 3 | 7 |
| 2017 | 3 | 6 |
| 2018 | 6 | 6 |
| 2019 | 8 | 13 |
| 2020 | 7 | 10 |
| 2021 | 8 | 4 |
| 2022 | 7 | 11 |
| 2023 | 4 | 12 |
| 2024 | 9 | 5 |
| 2025 | 7 | 8 |
| 2026 | 3 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Heat exchanger21 Jul 2026US 12,687,342 B2Fujitsu General Limited
- Evaporative condenser21 Apr 2026US 12,607,391 B2Kyungdong Navien Co., Ltd.
- Heat exchanger3 Feb 2026US 12,540,776 B2Sanhua (Hangzhou) Micro Channel Heat Exchanger Co., Ltd.
- Evaporative condenser and air conditioner including same30 Sep 2025US 12,429,259 B2Kyungdong Navien Co., Ltd.
- Heat exchanger, electric control box and air conditioning system23 Sep 2025US 12,422,152 B2Gd Midea Heating & Ventilating Equipment Co., Ltd.
- Header assembly, heat exchanger and air conditioning system1 Oct 2026US 2026/0298559 A1Sanhua (Hangzhou) Micro Channel Heat Exchanger Co., Ltd.
- Heat exchanger9 Jul 2026US 2026/0194312 A1Hanon Systems
- Fluid collecting pipe fitting, thermal management assembly, battery, and electric device11 Jun 2026US 2026/0163118 A1Contemporary Amperex Technology Co., Limited
- Manifold12 Feb 2026US 2026/0043507 A1Cooler Master Co., Ltd.
- Heat exchanger22 Jan 2026US 2026/0022894 A1
Most cited
By later US patents
- Combination radiator and condenser apparatus for motor vehicle55US 5,009,262 AGeneral Motors Corporation · 1991
- Manifold assembly for a parallel flow heat exchanger54US 5,107,926 AThermal Components, Inc. · 1992
- Heat exchanger53US 5,934,367 ASanden Corporation · 1999
- Passive by-pass for heat exchangers48US 5,575,329 ALong Manufacturing Ltd. · 1996
- Condenser having a receiver tank formed integrally therewith47US 5,228,315 AZexel Corporation · 1993