H02M 5/22
Using discharge tubes with control electrode or semiconductor devices with control electrode
Official title: using discharge tubes with control electrode or semiconductor devices with control electrode
H02M5/22 (Using discharge tubes with control electrode or semiconductor devices with control electrode) appears on 1,494 US grants and 1,178 published applications in this corpus.
Search patents in H02M- Granted patents
- 1,494
- Published applications
- 1,178
- Assignees
- 736
- Inventors
- 2,518
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 25 | 0 |
| 1977 | 21 | 0 |
| 1978 | 15 | 0 |
| 1979 | 5 | 0 |
| 1980 | 11 | 0 |
| 1981 | 20 | 0 |
| 1982 | 26 | 0 |
| 1983 | 11 | 0 |
| 1984 | 14 | 0 |
| 1985 | 17 | 0 |
| 1986 | 20 | 0 |
| 1987 | 42 | 0 |
| 1988 | 12 | 0 |
| 1989 | 19 | 0 |
| 1990 | 19 | 0 |
| 1991 | 14 | 0 |
| 1992 | 7 | 0 |
| 1993 | 20 | 0 |
| 1994 | 15 | 0 |
| 1995 | 12 | 0 |
| 1996 | 12 | 0 |
| 1997 | 18 | 0 |
| 1998 | 28 | 0 |
| 1999 | 24 | 0 |
| 2000 | 14 | 0 |
| 2001 | 29 | 6 |
| 2002 | 15 | 13 |
| 2003 | 16 | 33 |
| 2004 | 29 | 29 |
| 2005 | 15 | 37 |
| 2006 | 26 | 18 |
| 2007 | 26 | 22 |
| 2008 | 19 | 34 |
| 2009 | 19 | 33 |
| 2010 | 30 | 28 |
| 2011 | 24 | 45 |
| 2012 | 32 | 55 |
| 2013 | 47 | 60 |
| 2014 | 40 | 83 |
| 2015 | 59 | 86 |
| 2016 | 81 | 62 |
| 2017 | 76 | 68 |
| 2018 | 73 | 55 |
| 2019 | 60 | 50 |
| 2020 | 49 | 43 |
| 2021 | 56 | 75 |
| 2022 | 50 | 54 |
| 2023 | 53 | 50 |
| 2024 | 53 | 47 |
| 2025 | 48 | 46 |
| 2026 | 28 | 46 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Step down the voltage in the transmission lines using capacitors and high frequency switches6 Oct 2026US 12,756,325 B2Saudi Arabian Oil Company
- AC-to-AC converter having higher output frequency6 Oct 2026US 12,756,326 B2Dyson Technology Limited
- Load control device for high-efficiency loads29 Sep 2026US 12,750,930 B2Lutron Technology Company LLC
- Isolation transformer and power converter25 Aug 2026US 12,718,981 B2Huawei Technologies Co., Ltd.
- AC-to-DC power conversion with ground reference to common node of solid-state AC switch25 Aug 2026US 12,719,348 B2Amber Semiconductor, Inc.
- Power converter17 Sep 2026US 2026/0280438 A1Infineon Technologies Austria AG
- Power converter17 Sep 2026US 2026/0280439 A1Infineon Technologies Austria AG
- Method for operating a converter, converter and computer program product10 Sep 2026US 2026/0269736 A1Hitachi Energy Ltd
- Step down the voltage in the transmission lines using capacitors and high frequency switches3 Sep 2026US 2026/0261211 A1Saudi Arabian Oil Company
- Voltage amplitude and phase adjustment apparatus and method, and computer device and storage medium27 Aug 2026US 2026/0254344 A1
Most cited
By later US patents
- Ozone generator with in-line ozone sensor515US 5,540,898 AVasogen, Inc. · 1996
- Inverter device and air conditioner including the same505US 8,884,560 B2Mitsubishi Electric Corporation · 2014
- Programmed control module for inductive coupling to a wall switch244US 5,264,761 ABeacon Light Products, Inc. · 1993
- Phase modulated switchmode power amplifier and waveform generator220US 4,479,175 AHoneywell Inc. · 1984
- Load control system205US 4,833,339 ALutron Electronics Co., Inc. · 1989