H05K 7/20909
Forced ventilation
Official title: {Forced ventilation, e.g. on heat dissipaters coupled to components}
H05K7/20909 (Forced ventilation) appears on 745 US grants and 973 published applications in this corpus.
Search patents in H05K- Granted patents
- 745
- Published applications
- 973
- Assignees
- 443
- Inventors
- 2,246
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 6 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 6 | 2 |
| 2002 | 3 | 6 |
| 2003 | 5 | 6 |
| 2004 | 4 | 7 |
| 2005 | 7 | 10 |
| 2006 | 11 | 11 |
| 2007 | 7 | 8 |
| 2008 | 5 | 14 |
| 2009 | 7 | 18 |
| 2010 | 13 | 24 |
| 2011 | 14 | 17 |
| 2012 | 19 | 31 |
| 2013 | 15 | 23 |
| 2014 | 13 | 27 |
| 2015 | 19 | 40 |
| 2016 | 20 | 36 |
| 2017 | 32 | 56 |
| 2018 | 54 | 60 |
| 2019 | 69 | 75 |
| 2020 | 62 | 73 |
| 2021 | 51 | 61 |
| 2022 | 61 | 70 |
| 2023 | 56 | 60 |
| 2024 | 58 | 80 |
| 2025 | 56 | 84 |
| 2026 | 40 | 74 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Electronic power converter apparatus comprising mutually superimposed converter modules and a forced-ventilation cooling unit6 Oct 2026US 12,757,359 B2Friem S.P.A.
- Power supply and operating method thereof15 Sep 2026US 12,738,846 B2Delta Electronics, Inc.
- Modular wireless charging transmitter assembly system8 Sep 2026US 12,733,125 B2Aptiv Technologies AG
- Thermally conductive polymer enclosure for an electrical system8 Sep 2026US 12,733,137 B2Eaton Intelligent Power Limited
- Top-mounted heat dissipation photovoltaic inverter device8 Sep 2026US 12,733,140 B2Huawei Digital Power Technologies Co., Ltd.
- Electrical device8 Oct 2026US 2026/0313857 A1Sew-Eurodrive GmbH & Co. KG
- Vortex tube assembly, charger, and cooling system1 Oct 2026US 2026/0298505 A1Hyundai Motor Company
- Power conversion apparatus24 Sep 2026US 2026/0293027 A1Huawei Digital Power Technologies Co., Ltd.
- Power conversion apparatus24 Sep 2026US 2026/0293029 A1LG Innotek Co., Ltd.
- A power converter assembly with an electrical conductor manufactured by additive manufacturing10 Sep 2026US 2026/0269577 A1KK Wind Solutions A/S
Most cited
By later US patents
- Inverter apparatus and method therefor389US 5,497,289 AMitsubishi Denki Kabushiki Kaisha · 1996
- Inverter device130US 5,091,823 AHitachi, Ltd. · 1992
- DC to AC inverter with improved forced air cooling method and apparatus92US 5,170,336 ADimensions Unlimited, Inc. · 1992
- Safety power supply90US 5,235,491 ABicc-Vero Electronics GmbH · 1993
- Heat exchanger assembly for an electronic display90US 9,648,790 B2Manufacturing Resources International, Inc. · 2017