F28F 9/0209
Having only transversal partitions
Official title: {having only transversal partitions}
F28F9/0209 (Having only transversal partitions) appears on 322 US grants and 285 published applications in this corpus.
Search patents in F28F- Granted patents
- 322
- Published applications
- 285
- Assignees
- 155
- Inventors
- 831
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 7 | 0 |
| 1991 | 8 | 0 |
| 1992 | 13 | 0 |
| 1993 | 14 | 0 |
| 1994 | 8 | 0 |
| 1995 | 7 | 0 |
| 1996 | 6 | 0 |
| 1997 | 4 | 0 |
| 1998 | 11 | 0 |
| 1999 | 12 | 0 |
| 2000 | 11 | 0 |
| 2001 | 23 | 1 |
| 2002 | 7 | 8 |
| 2003 | 7 | 7 |
| 2004 | 3 | 3 |
| 2005 | 2 | 5 |
| 2006 | 4 | 17 |
| 2007 | 5 | 13 |
| 2008 | 5 | 6 |
| 2009 | 4 | 7 |
| 2010 | 3 | 12 |
| 2011 | 2 | 7 |
| 2012 | 2 | 8 |
| 2013 | 1 | 9 |
| 2014 | 4 | 12 |
| 2015 | 6 | 20 |
| 2016 | 5 | 10 |
| 2017 | 17 | 15 |
| 2018 | 11 | 14 |
| 2019 | 13 | 11 |
| 2020 | 11 | 21 |
| 2021 | 12 | 19 |
| 2022 | 13 | 19 |
| 2023 | 15 | 22 |
| 2024 | 16 | 8 |
| 2025 | 15 | 7 |
| 2026 | 6 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Baffle and associated fryer heat exchange system and fryer11 Aug 2026US 12,702,254 B2Illinois Tool Works Inc.
- Refrigerator9 Jun 2026US 12,650,252 B2LG Electronics Inc.
- Collector assembly and heat exchanger with simplified structure9 Jun 2026US 12,650,265 B2Sanhua Holding Group Co., Ltd.
- Steam heat exchanger2 Jun 2026US 12,644,648 B2
- Heat exchanger inlet and outlet pipe connection structure2 Jun 2026US 12,644,659 B2Hanon Systems
- Modular cooler and isolation valve assembly30 Jul 2026US 2026/0218999 A1Forum US, Inc.
- Heat Exchanger with Improved Performance16 Jul 2026US 2026/0202089 A1Daikin Comfort Technologies Manufacturing, L.P.
- Heat exchanger18 Jun 2026US 2026/0168705 A1Sanden Corporation
- Heat exchanger16 Apr 2026US 2026/0104209 A1Hanon Systems
- Heat exchanger assembly and method for hvac system18 Dec 2025US 2025/0383166 A1Goodman Manufacturing Company, L. P.
Most cited
By later US patents
- Laminated evaporator59US 4,274,482 ANihon Radiator Co., Ltd. · 1981
- Manifold assembly for a parallel flow heat exchanger54US 5,107,926 AThermal Components, Inc. · 1992
- Vehicle-loaded parallel flow type heat exchanger53US 5,203,407 AZexel Corporation · 1993
- Condenser having a receiver tank formed integrally therewith47US 5,228,315 AZexel Corporation · 1993
- Manifold assembly for a parallel flow heat exchanger44US 5,125,454 AThermal Components, Inc. · 1992