H02H 3/36
Involving comparison of the voltage or current values at corresponding points of
Official title: involving comparison of the voltage or current values at corresponding points of different systems, e.g. of parallel feeder systems
H02H3/36 (Involving comparison of the voltage or current values at corresponding points of) appears on 23 US grants and 12 published applications in this corpus.
Search patents in H02H- Granted patents
- 23
- Published applications
- 12
- Assignees
- 21
- Inventors
- 57
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 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 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 2 |
| 2017 | 0 | 0 |
| 2018 | 1 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 1 |
| 2021 | 0 | 1 |
| 2022 | 2 | 0 |
| 2023 | 0 | 2 |
| 2024 | 0 | 1 |
| 2025 | 2 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Disconnecting device and power supply network for a motor vehicle17 Feb 2026US 12,552,337 B2Bayerische Motoren Werke Aktiengesellschaft
- Method and system for detecting phenomenon in electrical power network4 Nov 2025US 12,463,414 B2ABB Schweiz AG
- Electrical network15 Apr 2025US 12,278,477 B2Siemens Aktiengesellschaft
- Protection assistance device of multiple circuit breakers in low-voltage system29 Mar 2022US 11,289,892 B2Ls Electric Co., Ltd.
- Living body detection method and apparatus1 Mar 2022US 11,264,987 B2Vicwood Prosperity Technology Limited
- Electrical fuse control circuit4 Dec 2025US 2025/0373000 A1
- Method and System for Detecting Phenomenon in Electrical Power Network4 Jan 2024US 2024/0006868 A1ABB Schweiz AG
- Disconnecting Device and Power Supply Network for a Motor Vehicle11 May 2023US 2023/0141892 A1Bayerische Motoren Werke Aktiengesellschaft
- Electrical network30 Mar 2023US 2023/0099409 A1Siemens Aktiengesellschaft
- Living body detection method and apparatus30 Dec 2021US 2021/0409022 A1Vicwood Prosperity Technology Limited
Most cited
By later US patents
- Device for detecting unbalanced conditions in a polyphase equipment bank201US 4,104,687 AS&C Electric Company · 1978
- Monitoring system for the capacitor batteries of a three-phase filter circuit50US 4,419,621 ASiemens Aktiengesellschaft · 1983
- Monitoring system for an LC filter circuit in an AC power network40US 4,409,542 ASiemens Aktiengesellschaft · 1983
- Power distribution control system21US 3,982,158 AHughes Aircraft Company · 1976
- Protective device for capacitor bank15US 4,219,856 AASEA Aktiebolag · 1980