H03K 2217/0009
Ac switches, i.e. delivering ac power to a load
Official title: AC switches, i.e. delivering AC power to a load
H03K2217/0009 (Ac switches, i.e. delivering ac power to a load) appears on 215 US grants and 247 published applications in this corpus.
Search patents in H03K- Granted patents
- 215
- Published applications
- 247
- Assignees
- 151
- Inventors
- 479
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 2 | 2 |
| 2010 | 0 | 0 |
| 2011 | 1 | 6 |
| 2012 | 1 | 5 |
| 2013 | 2 | 5 |
| 2014 | 9 | 12 |
| 2015 | 14 | 18 |
| 2016 | 11 | 17 |
| 2017 | 16 | 14 |
| 2018 | 15 | 16 |
| 2019 | 20 | 26 |
| 2020 | 25 | 16 |
| 2021 | 17 | 9 |
| 2022 | 12 | 25 |
| 2023 | 13 | 21 |
| 2024 | 27 | 23 |
| 2025 | 18 | 17 |
| 2026 | 9 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- AC-to-DC power conversion with ground reference to common node of solid-state AC switch25 Aug 2026US 12,719,348 B2Amber Semiconductor, Inc.
- AC coupling modules for bias ladders7 Jul 2026US 12,676,607 B2pSemi Corporation
- Bidirectional GaN FET with single gate16 Jun 2026US 12,658,915 B2Efficient Power Conversion Corporation
- Semiconductor device2 Jun 2026US 12,648,217 B2Infineon Technologies Austria AG
- Solid-state switch device and operating method for the same24 Feb 2026US 12,562,728 B2Schneider Electric Industries SAS
- Gate driver circuit1 Oct 2026US 2026/0303082 A1Rohm Co., Ltd.
- Signal transmission device and gate drive device24 Sep 2026US 2026/0291488 A1Kabushiki Kaisha Toshiba
- Switch device and method for operating a switch device17 Sep 2026US 2026/0280267 A1Siemens Aktiengesellschaft
- Overcurrent Protection for Bidirectional Power Semiconductor Devices20 Aug 2026US 2026/0246262 A1Ideal Power Inc.
- Device for controlling a three-electrodes power switch9 Jul 2026US 2026/0196921 A1STMicroelectronics International N. V.
Most cited
By later US patents
- Load control device having a variable drive circuit68US 7,619,365 B2Lutron Electronics Co., Inc. · 2009
- Method and circuit for controlling a hybrid contactor61US 4,356,525 AGeneral Electric Company · 1982
- Transistor body control circuit and an integrated circuit45US 9,443,845 B1Freescale Semiconductor, Inc. · 2016
- AC coupling modules for bias ladders42US 10,236,872 B1pSemi Corporation · 2019
- Circuit and method for controlling charge injection in radio frequency switches37US 9,397,656 B2Peregrine Semiconductor Corporation · 2016