F28F 9/0273
With multiple holes
Official title: {with multiple holes}
F28F9/0273 (With multiple holes) appears on 179 US grants and 243 published applications in this corpus.
Search patents in F28F- Granted patents
- 179
- Published applications
- 243
- Assignees
- 119
- Inventors
- 560
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 5 |
| 2003 | 1 | 2 |
| 2004 | 3 | 2 |
| 2005 | 0 | 2 |
| 2006 | 4 | 3 |
| 2007 | 1 | 3 |
| 2008 | 1 | 7 |
| 2009 | 0 | 5 |
| 2010 | 2 | 10 |
| 2011 | 3 | 15 |
| 2012 | 5 | 4 |
| 2013 | 5 | 16 |
| 2014 | 2 | 10 |
| 2015 | 5 | 14 |
| 2016 | 9 | 23 |
| 2017 | 11 | 20 |
| 2018 | 22 | 13 |
| 2019 | 14 | 11 |
| 2020 | 17 | 16 |
| 2021 | 10 | 11 |
| 2022 | 8 | 15 |
| 2023 | 10 | 7 |
| 2024 | 9 | 8 |
| 2025 | 9 | 13 |
| 2026 | 3 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Heat exchange assembly and heat exchange system7 Jul 2026US 12,674,623 B2Sanhua (Hangzhou) Micro Channel Heat Exchanger Co., Ltd.
- Heat exchanger23 Jun 2026US 12,663,225 B2Samsung Electronics Co., Ltd.
- Heat exchanger3 Feb 2026US 12,540,776 B2Sanhua (Hangzhou) Micro Channel Heat Exchanger Co., Ltd.
- Plate-type heat exchanger inline filter9 Dec 2025US 12,492,870 B2Ykmc, Inc.
- Cage assembly and receptacle assembly23 Sep 2025US 12,422,200 B2Yamaichi Electronics Co., Ltd.
- Heat exchange assembly and heat exchange system1 Oct 2026US 2026/0298547 A1Sanhua (Hangzhou) Micro Channel Heat Exchanger Co., Ltd.
- Header assembly, heat exchanger and air conditioning system1 Oct 2026US 2026/0298559 A1Sanhua (Hangzhou) Micro Channel Heat Exchanger Co., Ltd.
- A coupling device, a kit, and a heat transfer arrangement comprising the same17 Sep 2026US 2026/0276325 A1Qvantum Industries AB
- Thermal energy recovery devices for electrically heated cracking processes6 Aug 2026US 2026/0226353 A1Sabic Global Technologies B.V.
- Header pipe, heat exchanger, method for manufacturing header pipe, and method for manufacturing heat exchanger16 Jul 2026US 2026/0202134 A1Mitsubishi Electric Corporation
Most cited
By later US patents
- Plate and fin heat exchanger68US 3,976,128 AFord Motor Company · 1976
- Flat-tube evaporator with micro-distributor57US 7,143,605 B2Hussman Corporation · 2006
- Distributing/collecting tank for the at least dual flow evaporator of a motor vehicle air conditioning system53US 6,199,401 B1Valeo Klimatechnik GmbH & Co., KG · 2001
- Heat exchanger50US 5,531,268 AShowa Aluminum Corporation · 1996
- Plate heat exchanger with a refrigerant distributor48US 5,806,586 AErnst Flitsch GmbH & Co. · 1998