H02H 3/081
And depending on the direction
Official title: {and depending on the direction}
H02H3/081 (And depending on the direction) appears on 65 US grants and 50 published applications in this corpus.
Search patents in H02H- Granted patents
- 65
- Published applications
- 50
- Assignees
- 43
- Inventors
- 144
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 0 |
| 2003 | 3 | 4 |
| 2004 | 2 | 2 |
| 2005 | 2 | 1 |
| 2006 | 2 | 0 |
| 2007 | 1 | 2 |
| 2008 | 3 | 2 |
| 2009 | 1 | 2 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 1 | 2 |
| 2013 | 0 | 6 |
| 2014 | 1 | 0 |
| 2015 | 2 | 1 |
| 2016 | 3 | 2 |
| 2017 | 3 | 0 |
| 2018 | 3 | 2 |
| 2019 | 0 | 2 |
| 2020 | 1 | 1 |
| 2021 | 3 | 3 |
| 2022 | 1 | 5 |
| 2023 | 2 | 2 |
| 2024 | 5 | 3 |
| 2025 | 3 | 4 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- High-speed fault isolation for power sources of a vehicle28 Jul 2026US 12,695,284 B2GM Global Technology Operations LLC
- Gallium nitride-based active current flowback prevention14 Apr 2026US 12,603,491 B2Blue Origin Manufacturing, LLC
- Network protector with a communications interface16 Sep 2025US 12,418,171 B2Eaton Intelligent Power Limited
- Photovoltaic system and direct current overcurrent protection apparatus15 Jul 2025US 12,362,591 B2Huawei Digital Power Technologies Co., Ltd.
- DC solid state circuit breakers for bidirectional applications3 Jun 2025US 12,322,952 B2Siemens Industry, Inc.
- Gallium nitride-based active current flowback prevention23 Jul 2026US 2026/0213522 A1Blue Origin Manufacturing, LLC
- A protection method for an electrical distribution system23 Apr 2026US 2026/0110723 A1Hitachi Energy Ltd
- System and method for solid state power control with high reverse current26 Mar 2026US 2026/0088602 A1Leach International Corporation
- Network protector with a communications interface4 Dec 2025US 2025/0373007 A1Eaton Intelligent Power Limited
- High-speed fault isolation for power sources of a vehicle20 Nov 2025US 2025/0357740 A1GM Global Technology Operations LLC
Most cited
By later US patents
- Arc burst pattern analysis fault detection system91US 5,659,453 ATexas A&M University · 1997
- Sequence based network protector relay with forward overcurrent protection and antipumping feature90US 5,822,165 AEaton Corporation · 1998
- Restraint-type differential relay72US 6,341,055 B12002
- Directional element to determine faults on ungrounded power systems35US 6,721,671 B2Schweitzer Engineering Laboratories, Inc. · 2004
- Zero sequence voltage-polarized directional element for protective relays34US 5,694,281 ASchweitzer Engineering Laboratories, Inc. · 1997