G01R 31/3333
Apparatus, systems or circuits therefor
Official title: {Apparatus, systems or circuits therefor}
G01R31/3333 (Apparatus, systems or circuits therefor) appears on 71 US grants and 70 published applications in this corpus.
Search patents in G01R- Granted patents
- 71
- Published applications
- 70
- Assignees
- 55
- Inventors
- 181
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 3 |
| 2004 | 2 | 2 |
| 2005 | 3 | 0 |
| 2006 | 2 | 2 |
| 2007 | 2 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 1 | 2 |
| 2012 | 1 | 0 |
| 2013 | 1 | 2 |
| 2014 | 0 | 2 |
| 2015 | 2 | 4 |
| 2016 | 3 | 6 |
| 2017 | 4 | 6 |
| 2018 | 2 | 8 |
| 2019 | 6 | 2 |
| 2020 | 7 | 5 |
| 2021 | 5 | 7 |
| 2022 | 5 | 3 |
| 2023 | 2 | 4 |
| 2024 | 5 | 2 |
| 2025 | 5 | 6 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- End of life monitoring for a solid-state circuit breaker11 Aug 2026US 12,706,267 B2Siemens Industry, Inc.
- Device and method for diagnosing damage to switch in battery protection circuit, and battery management device comprising same23 Dec 2025US 12,504,477 B2LG Energy Solution, Ltd.
- Tester for a frequency-dependent ground fault interrupt wiring device18 Nov 2025US 12,474,407 B2Pass & Seymour, Inc.
- Pluggable load module to test a voltage regulator1 Jul 2025US 12,345,775 B2Logiicdev GmbH
- Arc fault detection using machine learning18 Feb 2025US 12,230,953 B2Leviton Manufacturing Co., Inc.
- Tester for a frequency-dependent ground fault interrupt wiring device16 Jul 2026US 2026/0202473 A1Pass & Seymour, Inc.
- System and method for detecting failures of solid-state switches in a main circuit28 May 2026US 2026/0147043 A1Schneider Electric Industries SAS
- Method for estimating a trip intensity of a circuit breaker, system, assembly, and associated computer program20 Nov 2025US 2025/0355046 A1Schneider Electric Industries SAS
- Wireless provision of information from switch function tests6 Nov 2025US 2025/0341576 A1Siemens Aktiengesellschaft
- Arc fault detection using machine learning12 Jun 2025US 2025/0192537 A1Leviton Manufacturing Co., Inc.
Most cited
By later US patents
- Method and apparatus for testing an arcing fault circuit interrupter57US 6,218,844 B1Square D Company · 2001
- Device for sensing of electric discharges in a test object35US 5,933,012 AABB Research Ltd. · 1999
- Portable circuit interrupter shutoff testing device and method30US 7,173,428 B22007
- Portable circuit interrupter tester and method21US 7,199,587 B22007
- Mechanical wear, wipe and stroke measurement system for circuit breakers15US 9,378,901 B2Eaton Corporation · 2016