H02H 7/16
Emergency protective circuit arrangements specially adapted for specific types of electric machines
Official title: for capacitors (for synchronous capacitors H02H7/06)
H02H7/16 (Emergency protective circuit arrangements specially adapted for specific types of electric machines) appears on 175 US grants and 150 published applications in this corpus.
Search patents in H02H- Granted patents
- 175
- Published applications
- 150
- Assignees
- 140
- Inventors
- 417
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 5 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 5 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 2 |
| 2003 | 4 | 4 |
| 2004 | 2 | 4 |
| 2005 | 2 | 4 |
| 2006 | 2 | 3 |
| 2007 | 1 | 5 |
| 2008 | 3 | 0 |
| 2009 | 4 | 6 |
| 2010 | 0 | 4 |
| 2011 | 2 | 4 |
| 2012 | 3 | 5 |
| 2013 | 2 | 16 |
| 2014 | 11 | 6 |
| 2015 | 7 | 11 |
| 2016 | 8 | 3 |
| 2017 | 5 | 8 |
| 2018 | 7 | 7 |
| 2019 | 9 | 9 |
| 2020 | 8 | 6 |
| 2021 | 10 | 8 |
| 2022 | 6 | 8 |
| 2023 | 5 | 6 |
| 2024 | 4 | 11 |
| 2025 | 10 | 5 |
| 2026 | 4 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electrical power transmission2 Jun 2026US 12,646,926 B2Enertechnos Limited
- Reducing inrush current to a capacitor bank24 Feb 2026US 12,562,564 B2ABB Schweiz AG
- Systems and methods for testing a capacitor in a circuit17 Feb 2026US 12,553,957 B2BorgWarner US Technologies LLC
- Control method, device, system and storage medium13 Jan 2026US 12,525,786 B2Foshan Shunde Midea Electric Science and Technology Co., Ltd.
- Modular facts devices with external fault current protection25 Nov 2025US 12,483,020 B2Smart Wires Inc.
- Electronic device3 Sep 2026US 2026/0262174 A1Mitsubishi Electric Corporation
- A fault discrimination and a current transformer saturation detection for a differential protection system25 Jun 2026US 2026/0180308 A1Hitachi Energy Ltd
- Electrical protection circuit for energy storage unit7 May 2026US 2026/0128581 A1Hitachi Energy Ltd
- Modular Facts Devices with External Fault Current Protection19 Mar 2026US 2026/0081417 A1Smart Wires Inc.
- Device and method for controlling the discharge of a dc link capacitor8 Jan 2026US 2026/0012032 A1Robert Bosch GmbH
Most cited
By later US patents
- Device for detecting unbalanced conditions in a polyphase equipment bank201US 4,104,687 AS&C Electric Company · 1978
- Parallel connection of controllable semiconductor components187US 5,859,772 AABB Daimler-Benz Transportation (Technology) GmbH · 1999
- Inverters121US 8,674,548 B2Enecsys Limited · 2014
- Capacitive power supply having charge equalization circuit54US 5,063,340 AMotorola, Inc. · 1991
- Monitoring system for the capacitor batteries of a three-phase filter circuit50US 4,419,621 ASiemens Aktiengesellschaft · 1983