G01R 1/36
Overload-protection arrangements or circuits for electric measuring instruments
G01R1/36 (Overload-protection arrangements or circuits for electric measuring instruments) appears on 155 US grants and 140 published applications in this corpus.
Search patents in G01R- Granted patents
- 155
- Published applications
- 140
- Assignees
- 122
- Inventors
- 299
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 1 |
| 2002 | 2 | 1 |
| 2003 | 1 | 3 |
| 2004 | 2 | 0 |
| 2005 | 1 | 5 |
| 2006 | 4 | 11 |
| 2007 | 7 | 3 |
| 2008 | 1 | 2 |
| 2009 | 4 | 3 |
| 2010 | 4 | 5 |
| 2011 | 2 | 2 |
| 2012 | 0 | 0 |
| 2013 | 1 | 5 |
| 2014 | 4 | 13 |
| 2015 | 6 | 8 |
| 2016 | 9 | 6 |
| 2017 | 8 | 11 |
| 2018 | 5 | 13 |
| 2019 | 11 | 9 |
| 2020 | 15 | 11 |
| 2021 | 9 | 5 |
| 2022 | 8 | 4 |
| 2023 | 5 | 8 |
| 2024 | 6 | 4 |
| 2025 | 6 | 4 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Isolation system and method for well site applications11 Aug 2026US 12,704,550 B2Schlumberger Technology Corporation
- Amplifier device for amplifying small currents14 Apr 2026US 12,603,623 B2Inficon GmbH
- Circuit arrangement comprising a MOS sensor, in particular TMOS sensor, and a corresponding method for operating the circuit arrangement20 Jan 2026US 12,531,570 B2STMicroelectronics S,r.l.
- Power level acquisition circuit and apparatus25 Nov 2025US 12,480,982 B2Vertiv Tech (Xi'an) Co., Ltd.
- Protection circuit for high temperature reverse bias test27 May 2025US 12,316,099 B2Innoscience (Suzhou) Semiconductor Co., Ltd.
- Dc distributor for a battery test bench28 May 2026US 2026/0147046 A1ZF Friedrichshafen AG
- Sensor element with overvoltage protection23 Apr 2026US 2026/0110579 A1Innovative Sensor Technology IST AG
- Arc suppression in a wafer testing environment29 Jan 2026US 2026/0029434 A1Celadon Systems, Inc.
- Switching a semiconductor switch by means of a measuring circuit and a control device12 Jun 2025US 2025/0192538 A1dSPACE GmbH
- Amplifier device for amplifying small currents12 Jun 2025US 2025/0192731 A1Inficon GmbH
Most cited
By later US patents
- Current sensor95US 7,075,287 B1Allegro MicroSystems, LLC · 2006
- Current sensor88US 7,476,816 B2Allegro MicroSystems, LLC · 2009
- Electric service safety disconnect apparatus with overvoltage and overcurrent protection69US 5,572,396 AEkstrom Industries, Inc. · 1996
- Enhancing voltmeter functionality44US 6,356,853 B12002
- Earthing and overvoltage protection arrangement43US 7,656,638 B2ABB AB · 2010