H01H 2071/044
Monitoring, detection or measuring systems to establish the end of life of
Official title: {Monitoring, detection or measuring systems to establish the end of life of the switching device, can also contain other on-line monitoring systems, e.g. for detecting mechanical failures}
H01H2071/044 (Monitoring, detection or measuring systems to establish the end of life of) appears on 201 US grants and 220 published applications in this corpus.
Search patents in H01H- Granted patents
- 201
- Published applications
- 220
- Assignees
- 77
- Inventors
- 387
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 2 |
| 2002 | 2 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 3 |
| 2005 | 2 | 2 |
| 2006 | 5 | 7 |
| 2007 | 9 | 13 |
| 2008 | 10 | 9 |
| 2009 | 9 | 4 |
| 2010 | 8 | 2 |
| 2011 | 3 | 6 |
| 2012 | 6 | 6 |
| 2013 | 5 | 9 |
| 2014 | 5 | 9 |
| 2015 | 8 | 4 |
| 2016 | 6 | 4 |
| 2017 | 4 | 13 |
| 2018 | 7 | 12 |
| 2019 | 18 | 11 |
| 2020 | 9 | 19 |
| 2021 | 17 | 11 |
| 2022 | 11 | 20 |
| 2023 | 15 | 14 |
| 2024 | 23 | 18 |
| 2025 | 10 | 13 |
| 2026 | 6 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Self-test auto monitor ground fault circuit interrupter (GFCI) with power denial6 Oct 2026US 12,754,232 B2Hubbell Incorporated
- End of life monitoring for a solid-state circuit breaker11 Aug 2026US 12,706,267 B2Siemens Industry, Inc.
- System for monitoring a circuit breaker26 May 2026US 12,639,565 B2ABB Schweiz AG
- Monitoring system for a mechanically driven circuit breaker12 May 2026US 12,625,181 B2ABB Schweiz AG
- Relay, and method for operating a relay12 May 2026US 12,626,871 B2Robert Bosch GmbH
- Method and apparatus for monitoring switching unit in solid-state circuit breaker18 Jun 2026US 2026/0171340 A1Schneider Electric Industries SAS
- Device for measuring at least one electrical quantity and associated operating diagnostic system14 May 2026US 2026/0133220 A1Schneider Electric Industries SAS
- Method For Determining A Surface Regeneration Parameter Of A Contact Surface Of A Contactor, Method For Determining An Ageing Factor Of A Contact Surface Of A Contactor Taking Into Account A Surface Regeneration Parameter, And Method For Regenerating A Contact Surface Of A Contactor30 Apr 2026US 2026/0120528 A1Vitesco Technologies GmbH
- Electrical circuit breaker event detection23 Apr 2026US 2026/0110707 A1Schneider Electric USA, Inc.
- Self-test mechanisms for end-of-life detection and response for circuit interrupter devices16 Apr 2026US 2026/0106102 A1
Most cited
By later US patents
- Circuit protection device with grounded neutral half cycle self test78US 7,253,629 B1Pass & Seymour, Inc. · 2007
- Protection device with a contact breaker mechanism62US 6,958,895 B1Pass & Seymour, Inc. · 2005
- Protection device with power to receptacle cut-off58US 7,154,718 B1Pass & Seymour, Inc. · 2006
- Ground fault circuit interrupter with end of life indicators58US 7,195,500 B22007
- Self testing ground fault circuit interrupter (GFCI) with end of life (EOL) indicator, secondary power supply for EOL and self test circuitry, and device for opening line hot when EOL occurs53US 7,315,437 B2Hubbell Incorporated · 2008