H02H 7/09
Against over-voltage
Official title: against over-voltage; against reduction of voltage; against phase interruption
H02H7/09 (Against over-voltage) appears on 188 US grants and 153 published applications in this corpus.
Search patents in H02H- Granted patents
- 188
- Published applications
- 153
- Assignees
- 126
- Inventors
- 397
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 5 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 5 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 6 | 0 |
| 1997 | 2 | 0 |
| 1998 | 6 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 0 |
| 2003 | 2 | 1 |
| 2004 | 1 | 5 |
| 2005 | 2 | 1 |
| 2006 | 1 | 1 |
| 2007 | 2 | 5 |
| 2008 | 4 | 2 |
| 2009 | 2 | 4 |
| 2010 | 0 | 4 |
| 2011 | 7 | 2 |
| 2012 | 4 | 6 |
| 2013 | 5 | 10 |
| 2014 | 8 | 14 |
| 2015 | 11 | 13 |
| 2016 | 8 | 14 |
| 2017 | 15 | 9 |
| 2018 | 7 | 9 |
| 2019 | 12 | 7 |
| 2020 | 4 | 9 |
| 2021 | 5 | 4 |
| 2022 | 6 | 11 |
| 2023 | 8 | 4 |
| 2024 | 6 | 10 |
| 2025 | 8 | 5 |
| 2026 | 4 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Motor control device and motor control method16 Jun 2026US 12,658,689 B2TMEIC Corporation
- System for controlling an inductor freewheeling voltage28 Apr 2026US 12,614,972 B2ABB Schweiz AG
- Device for the electrical protection of power supply cables for permanent-magnet motors21 Apr 2026US 12,609,521 B2Safran Electrical & Power
- Apparatus for protecting motors21 Apr 2026US 12,609,523 B2
- Motor drive device having overvoltage protection circuit23 Dec 2025US 12,506,423 B2Fanuc Corporation
- Systems and methods for over-temperature protection for motor-operated appliances1 Oct 2026US 2026/0302761 A1Vita-Mix Management Corporation
- Apparatus For Protecting Motors30 Jul 2026US 2026/0221759 A1
- End effector with integrated feedback protection device, and method27 Nov 2025US 2025/0364802 A1SCHUNK SE & Co. KG Spanntechnik Greiftechnik Automatisierungstechnik
- System and method for pre-charge protection circuit18 Sep 2025US 2025/0293512 A1Rockwell Automation Technologies, Inc.
- Device for the electrical protection of power supply cables for permanent-magnet motors14 Aug 2025US 2025/0260221 A1Safran Electrical & Power
Most cited
By later US patents
- Digital logic control system for three-phase submersible pump motor107US 4,021,700 ABorg-Warner Corporation · 1977
- Air conditioner control102US 4,038,061 AHeil-Quaker Corporation · 1977
- Multifunction dynamoelectric protection system99US 4,281,358 ATexas Instruments Incorporated · 1981
- Single phase compressor thermostat with start relay and motor protection87US 6,020,702 ATecumseh Products Company · 2000
- Motor protective device78US 4,151,575 A1979