G01R 19/155
Indicating the presence of voltage
G01R19/155 (Indicating the presence of voltage) appears on 412 US grants and 325 published applications in this corpus.
Search patents in G01R- Granted patents
- 412
- Published applications
- 325
- Assignees
- 259
- Inventors
- 773
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 6 | 0 |
| 1978 | 3 | 0 |
| 1979 | 7 | 0 |
| 1980 | 7 | 0 |
| 1981 | 6 | 0 |
| 1982 | 5 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 8 | 0 |
| 1986 | 7 | 0 |
| 1987 | 5 | 0 |
| 1988 | 6 | 0 |
| 1989 | 12 | 0 |
| 1990 | 3 | 0 |
| 1991 | 7 | 0 |
| 1992 | 5 | 0 |
| 1993 | 1 | 0 |
| 1994 | 7 | 0 |
| 1995 | 6 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 7 | 0 |
| 2001 | 8 | 5 |
| 2002 | 3 | 1 |
| 2003 | 5 | 3 |
| 2004 | 7 | 8 |
| 2005 | 7 | 7 |
| 2006 | 7 | 6 |
| 2007 | 2 | 2 |
| 2008 | 4 | 3 |
| 2009 | 0 | 9 |
| 2010 | 3 | 5 |
| 2011 | 4 | 6 |
| 2012 | 5 | 7 |
| 2013 | 7 | 20 |
| 2014 | 14 | 19 |
| 2015 | 21 | 19 |
| 2016 | 12 | 14 |
| 2017 | 14 | 13 |
| 2018 | 12 | 15 |
| 2019 | 25 | 31 |
| 2020 | 24 | 23 |
| 2021 | 22 | 16 |
| 2022 | 16 | 22 |
| 2023 | 14 | 20 |
| 2024 | 13 | 18 |
| 2025 | 22 | 21 |
| 2026 | 12 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Voltage detection devices and systems29 Sep 2026US 12,745,815 B2Milwaukee Electric Tool Corporation
- Energy detection warning device1 Sep 2026US 12,724,044 B2Safeguard Equipment, Inc.
- System and method for controlling an electrical receptacle2 Jun 2026US 12,646,922 B2Hubbell Incorporated
- Current sensor with adjacent conductor rejection14 Apr 2026US 12,601,763 B2Schweitzer Engineering Laboratories, Inc.
- Sensored insulation plug with detection contact10 Mar 2026US 12,571,817 B23M Innovative Properties Company
- System and method for controlling an electrical receptacle17 Sep 2026US 2026/0280272 A1
- Electrical connector and method of absence of voltage test10 Sep 2026US 2026/0269510 A1Caterpillar Inc.
- Wearable electric field detector9 Jul 2026US 2026/0194565 A1Emerson Professional Tools, LLC
- Artificial intelligence-based stray voltage detection system9 Jul 2026US 2026/0196049 A1Osmose Utilities Services, Inc.
- Non-Contact Voltage Tester4 Jun 2026US 2026/0153585 A1Robert Bosch GmbH
Most cited
By later US patents
- Dynamic sense amplifier for CMOS static RAM531US 4,843,264 AVisic, Inc. · 1989
- Hand held voltage detection probe106US 7,030,599 B2Santronics, Inc. · 2006
- Voltage indicating test point cap85US 4,152,643 AE. O. Schweitzer Manufacturing Co., Inc. · 1979
- Distributed emergency lighting system having self-testing and diagnostic capabilities84US 6,788,000 B2E-Lite Technologies, Inc. · 2004
- Miniature electrical voltage and continuity tester with circuit compartment and test lead compartment casing72US 4,176,315 A1979