H02H 3/14
Responsive to occurrence of voltage on parts normally at earth potential
Official title: responsive to occurrence of voltage on parts normally at earth potential {(monitoring earth connection H02H5/105)}
H02H3/14 (Responsive to occurrence of voltage on parts normally at earth potential) appears on 91 US grants and 69 published applications in this corpus.
Search patents in H02H- Granted patents
- 91
- Published applications
- 69
- Assignees
- 83
- Inventors
- 226
- Latest grant
- 4 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 4 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 0 |
| 2003 | 2 | 3 |
| 2004 | 4 | 1 |
| 2005 | 0 | 2 |
| 2006 | 1 | 1 |
| 2007 | 1 | 0 |
| 2008 | 2 | 3 |
| 2009 | 1 | 4 |
| 2010 | 2 | 0 |
| 2011 | 2 | 5 |
| 2012 | 0 | 2 |
| 2013 | 1 | 3 |
| 2014 | 1 | 3 |
| 2015 | 6 | 4 |
| 2016 | 3 | 3 |
| 2017 | 1 | 4 |
| 2018 | 3 | 4 |
| 2019 | 3 | 3 |
| 2020 | 4 | 3 |
| 2021 | 3 | 2 |
| 2022 | 4 | 6 |
| 2023 | 6 | 3 |
| 2024 | 2 | 3 |
| 2025 | 1 | 2 |
| 2026 | 0 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for detecting an insulation fault in a vehicle on-board electrical system and vehicle overvoltage protection circuit4 Feb 2025US 12,214,674 B2Vitesco Technologies Gbmh
- Systems and methods to cable shield fault detection and protection8 Oct 2024US 12,113,353 B2Maxim Integrated Products, Inc.
- Apparatus for protection against insulation failure20 Aug 2024US 12,068,595 B2Bala Industries and Entertainment Private Limited
- In-vehicle protection apparatus26 Dec 2023US 11,855,440 B2Sumitomo Wiring Systems, Ltd.
- Automatic ground fault circuit interrupter (GFCI) reset system and apparatus and method therefor26 Sep 2023US 11,769,997 B1
- Leakage Protection Circuit, Electrical Equipment, and Leakage Protection Method30 Apr 2026US 2026/0121398 A1Joulwatt Technology Co., Ltd.
- Protective devices and methods for protection against electric shock in a power supply system having multiple power sources26 Mar 2026US 2026/0088603 A1Bender GmbH & Co. KG
- Vehicle having a high-voltage on-board power supply and method for operating the high-voltage on-board power supply29 Jan 2026US 2026/0031607 A1Mercedes-Benz Group AG
- Voltage-based disconnection of electrical vehicle supply equipment8 Jan 2026US 2026/0008373 A1Greentec International Limited
- Electronic Fuse Driver Interface8 Jan 2026US 2026/0012001 A1Aptiv Technologies AG
Most cited
By later US patents
- Method of monitoring ESC levels and protective devices utilizing the method242US 6,762,917 B1NOVX Corporation · 2004
- Safety circuit for hand tools, and method for safe operation thereof105US 4,722,021 ARobert Bosch GmbH · 1988
- Isolator surge protector for DC isolation and AC grounding of cathodically protected systems53US 5,436,786 ADairyland Electrical Industries, Inc. · 1995
- Electromagnetic coupling device50US 5,914,842 ASNC Manufacturing Co., Inc. · 1999
- Active ground fault disconnect32US 6,278,596 B1Tektronix, Inc. · 2001