H02M 7/75
Using devices of a thyratron or thyristor type requiring extinguishing means
Official title: using devices of a thyratron or thyristor type requiring extinguishing means
H02M7/75 (Using devices of a thyratron or thyristor type requiring extinguishing means) appears on 249 US grants and 170 published applications in this corpus.
Search patents in H02M- Granted patents
- 249
- Published applications
- 170
- Assignees
- 126
- Inventors
- 544
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 12 | 0 |
| 1977 | 5 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 5 | 0 |
| 1981 | 5 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 9 | 0 |
| 1986 | 7 | 0 |
| 1987 | 14 | 0 |
| 1988 | 4 | 0 |
| 1989 | 7 | 0 |
| 1990 | 5 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 7 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 3 | 2 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 2 |
| 2007 | 2 | 3 |
| 2008 | 1 | 1 |
| 2009 | 1 | 3 |
| 2010 | 1 | 3 |
| 2011 | 1 | 3 |
| 2012 | 4 | 3 |
| 2013 | 1 | 8 |
| 2014 | 6 | 6 |
| 2015 | 5 | 12 |
| 2016 | 8 | 14 |
| 2017 | 16 | 11 |
| 2018 | 10 | 18 |
| 2019 | 17 | 16 |
| 2020 | 14 | 13 |
| 2021 | 10 | 10 |
| 2022 | 8 | 8 |
| 2023 | 8 | 10 |
| 2024 | 7 | 6 |
| 2025 | 9 | 9 |
| 2026 | 1 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Control apparatus, control method, and program for suppressing oscillation in a DC power supply system30 Jun 2026US 12,671,250 B2NTT, Inc.
- Dual power switching system and method of operating the same11 Nov 2025US 12,470,086 B2Delta Electronics, Inc.
- AC/DC converter, DC/AC converter and DC/DC converter and method of control of the converter4 Nov 2025US 12,463,524 B2Terna S.P.A.
- Modular braking adjuster with hybrid design7 Oct 2025US 12,438,481 B2Innomotics GmbH
- Power conversion system and control device for same5 Aug 2025US 12,381,397 B2Mitsubishi Electric Corporation
- Power Conversion System6 Aug 2026US 2026/0229989 A1Mitsubishi Electric Corporation
- Assembly6 Aug 2026US 2026/0231816 A1General Electric Technology GmbH
- Relating to dc voltage control in power transmission networks25 Jun 2026US 2026/0180332 A1GE Vernova Infrastructure Technology LLC
- Improvements relating to dc voltage control in power transmission networks25 Jun 2026US 2026/0180333 A1GE Vernova Infrastructure Technology LLC
- Controller and control method for converter including multiple pfc circuits18 Jun 2026US 2026/0171902 A1Hyundai Autoever Corp.
Most cited
By later US patents
- Power converter with voltage drive switching device monitored by device parameters and electric parameters67US 5,929,665 AKabushiki Kaisha Toshiba · 1999
- Power source system55US 4,308,575 ATokyo Shibaura Denki Kabushiki Kaisha · 1981
- Pulse width modulation power transmission system53US 4,941,079 AThe Royal Institution for the Advancement of Learning · 1990
- Apparatus and a method for voltage conversion51US 6,507,503 B2ABB AB · 2003
- Electrical converter utilizing switched uni-directional and bi-directional energy sources39US 4,996,637 APower Reflex Pty. Ltd. · 1991