G01R 31/54
Testing for continuity
G01R31/54 (Testing for continuity) appears on 1,052 US grants and 1,154 published applications in this corpus.
Search patents in G01R- Granted patents
- 1,052
- Published applications
- 1,154
- Assignees
- 684
- Inventors
- 2,587
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 9 | 0 |
| 1978 | 7 | 0 |
| 1979 | 9 | 0 |
| 1980 | 10 | 0 |
| 1981 | 5 | 0 |
| 1982 | 4 | 0 |
| 1983 | 7 | 0 |
| 1984 | 5 | 0 |
| 1985 | 14 | 0 |
| 1986 | 8 | 0 |
| 1987 | 14 | 0 |
| 1988 | 6 | 0 |
| 1989 | 13 | 0 |
| 1990 | 7 | 0 |
| 1991 | 12 | 0 |
| 1992 | 6 | 0 |
| 1993 | 5 | 0 |
| 1994 | 4 | 0 |
| 1995 | 12 | 0 |
| 1996 | 6 | 0 |
| 1997 | 8 | 0 |
| 1998 | 5 | 0 |
| 1999 | 14 | 0 |
| 2000 | 6 | 0 |
| 2001 | 14 | 3 |
| 2002 | 7 | 1 |
| 2003 | 11 | 15 |
| 2004 | 7 | 14 |
| 2005 | 3 | 10 |
| 2006 | 15 | 15 |
| 2007 | 6 | 11 |
| 2008 | 12 | 20 |
| 2009 | 13 | 25 |
| 2010 | 17 | 33 |
| 2011 | 15 | 25 |
| 2012 | 21 | 38 |
| 2013 | 31 | 42 |
| 2014 | 36 | 43 |
| 2015 | 35 | 49 |
| 2016 | 39 | 70 |
| 2017 | 50 | 41 |
| 2018 | 56 | 42 |
| 2019 | 51 | 60 |
| 2020 | 55 | 64 |
| 2021 | 51 | 73 |
| 2022 | 78 | 88 |
| 2023 | 66 | 84 |
| 2024 | 72 | 57 |
| 2025 | 54 | 77 |
| 2026 | 35 | 154 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Safety system reset diagnostic by reset-driver(s)6 Oct 2026US 12,756,390 B2Semiconductor Components Industries, LLC
- Disconnection point detection method for single-wire series circuits, single-wire series circuit, and driver architecture15 Sep 2026US 12,736,576 B2Huayuan Semiconductor (Shenzhen) Limited Company
- Electronic device for inspecting cable, and inspection method25 Aug 2026US 12,716,928 B2Samsung Electronics Co., Ltd.
- Circuit with switch for discharging capacitive elements connected to a safety-related digital input25 Aug 2026US 12,716,936 B2WAGO Verwaltungsgesellschaft mbH
- System for protecting an electrical circuit for an aircraft25 Aug 2026US 12,716,959 B2Airbus Operations GmbH
- Fault Detection Apparatus and Method8 Oct 2026US 2026/0309804 A1Reed Semiconductor Corporation
- Systems and methods for detecting intermittent loose connection in battery energy storage systems8 Oct 2026US 2026/0309805 A1LG Energy Solution, Ltd.
- Online monitoring method and system for operating state of secondary current circuit neutral line8 Oct 2026US 2026/0309808 A1Yunnan Electric Power Test and Research Institute (Group) Co., Ltd
- Security Cover Systems1 Oct 2026US 2026/0296373 A1
- Non-intrusive fault detection for sensor cables of physiological monitors17 Sep 2026US 2026/0276738 A1Drägerwerk AG & Co. KGaA
Most cited
By later US patents
- Method and system for continuity testing of medical electrodes286US 7,766,905 B2Covidien LP · 2010
- Electrosurgical apparatus for laparoscopic and like procedures227US 5,688,269 AElectroscope, Inc. · 1997
- Safety monitoring circuit for electrosurgical unit224US 4,231,372 AValleylab, Inc. · 1980
- Continuity tester adaptors109US 7,375,533 B22008
- Continuity tester adaptors104US 7,830,154 B22010