H02H 3/265
Responsive to phase angle between voltages or between currents
Official title: {responsive to phase angle between voltages or between currents}
H02H3/265 (Responsive to phase angle between voltages or between currents) appears on 37 US grants and 34 published applications in this corpus.
Search patents in H02H- Granted patents
- 37
- Published applications
- 34
- Assignees
- 40
- Inventors
- 109
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 2 |
| 2012 | 0 | 0 |
| 2013 | 1 | 3 |
| 2014 | 1 | 4 |
| 2015 | 3 | 1 |
| 2016 | 2 | 1 |
| 2017 | 2 | 2 |
| 2018 | 2 | 3 |
| 2019 | 2 | 2 |
| 2020 | 4 | 2 |
| 2021 | 2 | 5 |
| 2022 | 3 | 1 |
| 2023 | 3 | 3 |
| 2024 | 1 | 2 |
| 2025 | 2 | 1 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Circuit breaker device and method11 Aug 2026US 12,706,452 B2Siemens Aktiengesellschaft
- Adaptive flux band for improving transfer times in a static transfer switch9 Jun 2026US 12,651,925 B1ABB Schweiz AG
- Control of static transfer switch system for volt-second balance transfer10 Mar 2026US 12,573,872 B2L3Harris Technologies, Inc.
- Fault detection in an electric power system25 Mar 2025US 12,259,413 B2Quanta Technology, LLC
- Coordinating a sequence of opening and closing operations of poles in a solid-state circuit breaker11 Feb 2025US 12,224,575 B2Rockwell Automation Technologies, Inc.
- Adaptive Flux Band for Improving Transfer Times in a Static Transfer Switch11 Jun 2026US 2026/0163401 A1ABB Schweiz AG
- Control of static transfer switch system for volt-second balance transfer16 Oct 2025US 2025/0323521 A1L3Harris Technologies, Inc.
- Circuit breaker device and method15 Aug 2024US 2024/0275162 A1Siemens Aktiengesellschaft
- Coordinating a sequence of opening and closing operations of poles in a solid-state circuit breaker22 Feb 2024US 2024/0063630 A1Rockwell Automation Technologies, Inc.
- Method and System for Fault Location and Protection of Inverter-Dominated Islanded Ungrounded Microgrids14 Sep 2023US 2023/0291196 A1Mitsubishi Electric Research Laboratories, Inc.
Most cited
By later US patents
- Microprocessor based motor control system with phase difference detection112US 5,808,441 ATecumseh Products Company · 1998
- High impedance fault detection on power distribution circuits27US 4,313,146 AElectric Power Research Institute, Inc. · 1982
- System and method for controlling activating actuator motors for various mechanisms, such as roller shutters, awnings and movies screens23US 6,215,265 B1Elero Antriebs- Und Sonnenschutz-Technik GmbH · 2001
- System for detecting a falling electric power conductor and related methods18US 9,413,156 B2San Diego Gas & Electric Company · 2016
- Protection system for power receiving station12US 5,892,645 AHitachi, Ltd. · 1999