F28F 1/126
Consisting of zig-zag shaped fins
Official title: {consisting of zig-zag shaped fins (F28F1/105 takes precedence)}
F28F1/126 (Consisting of zig-zag shaped fins) appears on 673 US grants and 950 published applications in this corpus.
Search patents in F28F- Granted patents
- 673
- Published applications
- 950
- Assignees
- 309
- Inventors
- 1,921
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 0 | 0 |
| 1986 | 6 | 0 |
| 1987 | 8 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 5 | 0 |
| 1991 | 8 | 0 |
| 1992 | 3 | 0 |
| 1993 | 7 | 0 |
| 1994 | 7 | 0 |
| 1995 | 5 | 0 |
| 1996 | 6 | 0 |
| 1997 | 5 | 0 |
| 1998 | 12 | 0 |
| 1999 | 8 | 0 |
| 2000 | 9 | 0 |
| 2001 | 17 | 5 |
| 2002 | 14 | 16 |
| 2003 | 14 | 17 |
| 2004 | 6 | 21 |
| 2005 | 18 | 26 |
| 2006 | 13 | 28 |
| 2007 | 9 | 40 |
| 2008 | 5 | 26 |
| 2009 | 7 | 32 |
| 2010 | 6 | 29 |
| 2011 | 20 | 38 |
| 2012 | 13 | 20 |
| 2013 | 13 | 43 |
| 2014 | 14 | 51 |
| 2015 | 14 | 49 |
| 2016 | 18 | 49 |
| 2017 | 34 | 48 |
| 2018 | 37 | 44 |
| 2019 | 35 | 50 |
| 2020 | 30 | 54 |
| 2021 | 42 | 43 |
| 2022 | 40 | 48 |
| 2023 | 32 | 54 |
| 2024 | 44 | 62 |
| 2025 | 41 | 34 |
| 2026 | 24 | 23 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Heat exchanger and refrigeration cycle apparatus8 Sep 2026US 12,729,915 B2Mitsubishi Electric Corporation
- Heat exchanger and heat exchanger manufacturing method1 Sep 2026US 12,723,824 B2LG Electronics Inc.
- Advanced disturbance elements for improving pipe performance25 Aug 2026US 12,716,661 B2Valeo Systemes Thermiques
- Systems and methods for heat exchange7 Jul 2026US 12,674,630 B2Rheem Manufacturing Company
- Heat exchanger and refrigeration cycle apparatus23 Jun 2026US 12,663,222 B2Mitsubishi Electric Corporation
- Fin, heat exchanger and water heater3 Sep 2026US 2026/0259014 A1Guangdong Midea Kitchen and Bath Appliances Mfg. Co., Ltd.
- Fin, heat exchanger and water heater3 Sep 2026US 2026/0259015 A1Guangdong Midea Kitchen and Bath Appliances Mfg. Co., Ltd.
- Heat exchanger27 Aug 2026US 2026/0251397 A1
- Heat exchanger, heat dissipation module, and compute device27 Aug 2026US 2026/0251398 A1Huawei Technologies Co., Ltd.
- Heat exchanger20 Aug 2026US 2026/0243523 A1Sanden Corporation
Most cited
By later US patents
- Thermoelectric device with evaporating/condensing heat exchanger139US 5,737,923 AMarlow Industries, Inc. · 1998
- Thermoelectric refrigerator with evaporating/condensing heat exchanger113US 6,003,319 AMarlow Industries, Inc. · 1999
- Heating heat exchanger with electric heat emitter90US 5,995,711 ADenso Corporation · 1999
- Condenser for use in a car cooling system81US 4,825,941 AShowa Aluminum Corporation · 1989
- Corrugated fin type heat exchanger56US 4,332,293 ANippondenso Co., Ltd. · 1982