H02H 3/13
For multiphase applications
Official title: for multiphase applications, e.g. phase interruption
H02H3/13 (For multiphase applications) appears on 19 US grants and 16 published applications in this corpus.
Search patents in H02H- Granted patents
- 19
- Published applications
- 16
- Assignees
- 18
- Inventors
- 39
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 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 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 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 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 2 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 1 |
| 2022 | 0 | 3 |
| 2023 | 5 | 3 |
| 2024 | 2 | 2 |
| 2025 | 2 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for controlling an electrical receptacle2 Jun 2026US 12,646,922 B2Hubbell Incorporated
- Single phase broken conductor detection4 Nov 2025US 12,461,171 B2Schweitzer Engineering Laboratories, Inc.
- Capacitor bank fault detection and identification27 May 2025US 12,313,701 B2Schweitzer Engineering Laboratories, Inc.
- End of line protection8 Oct 2024US 12,113,348 B2Viking Sentinel Technology, LLC
- End of line protection with trip signal engaging27 Aug 2024US 12,074,424 B2Viking Sentinel Technology, LLC
- Open-phase fault and secondary arc extinction detection in electric power systems18 Dec 2025US 2025/0385505 A1Schweitzer Engineering Laboratories, Inc.
- Single phase broken conductor detection8 May 2025US 2025/0147123 A1Schweitzer Engineering Laboratories, Inc.
- System and method for controlling an electrical receptacle2 May 2024US 2024/0146048 A1Hubbell Incorporated
- End of line protection with trip signal engaging7 Mar 2024US 2024/0079869 A1Virga Systems LLC
- Grid shield26 Oct 2023US 2023/0344224 A1Carrier Corporation
Most cited
By later US patents
- Digital logic control system for three-phase submersible pump motor107US 4,021,700 ABorg-Warner Corporation · 1977
- Alarm system for warning of unbalance or failure of one or more phases of a multi-phase high-current load45US 4,053,876 A1977
- Low power solid state three-phase overcurrent/undercurrent protection circuit11US 4,006,387 AThe United States of America as represented by the Secretary of the Air Force · 1977
- Solid-state load protection system having loss of phase sensing8US 4,379,317 AWestinghouse Electric Corp. · 1983
- Protection circuits7US 4,064,546 ASociete Chimique des Charbonnages S.A. · 1977