G01R 31/16
Construction of testing vessels
Official title: Construction of testing vessels; Electrodes therefor
G01R31/16 (Construction of testing vessels) appears on 69 US grants and 60 published applications in this corpus.
Search patents in G01R- Granted patents
- 69
- Published applications
- 60
- Assignees
- 82
- Inventors
- 231
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 3 |
| 2012 | 0 | 0 |
| 2013 | 2 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 2 |
| 2016 | 0 | 1 |
| 2017 | 2 | 5 |
| 2018 | 2 | 4 |
| 2019 | 5 | 3 |
| 2020 | 2 | 3 |
| 2021 | 4 | 7 |
| 2022 | 5 | 2 |
| 2023 | 4 | 9 |
| 2024 | 4 | 9 |
| 2025 | 7 | 5 |
| 2026 | 3 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Contactor for voltage isolation and breakdown testing15 Sep 2026US 12,736,577 B2Boston Semi Equipment LLC
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- Device for compressing at least a portion of an energy storage cell, and system and method for electrical safety testing9 Dec 2025US 12,494,517 B2Bayerische Motoren Werke Aktiengesellschaft
- Device for acoustic detection of an electric arc21 Oct 2025US 12,449,469 B2Office National D’Etudes Et De Recherches AéRospatiales
- Stator insulation resistance test and post-processing method18 Jun 2026US 2026/0169051 A1Cnm Co., Ltd.
- Method for detecting ac and dc arc faults based on rogowski coil magnetic coupling resonance4 Jun 2026US 2026/0153553 A1Fujian Tongli Intelligent Machinery Technology Co., Ltd.
- Integrated space charge monitoring for high voltage cables14 May 2026US 2026/0133243 A1Nexans
- Jig for measuring breakdown voltage of insulator and method for measuring the same2 Apr 2026US 2026/0092963 A1Samsung SDI.Co., Ltd.
- Handheld device for the detection of electrostatic discharge12 Feb 2026US 2026/0043840 A1
Most cited
By later US patents
- Method and device for the detection of damage in the insulation of electrical components, particularly of lines and cable harnesses11US 6,518,772 B1WEE-Electrotest Engineering GmbH · 2003
- Apparatus for dielectric testing of gloves8US 4,810,971 A1989
- Method and apparatus for testing the insulating ability of an insulation on an electric conductor8US 6,181,139 B2Dansk System Elektronik A/S · 2001
- Container for receiving an insulating or cooling medium for electrical apparatus to be tested for resistance to electrical breakdown7US 3,996,512 A1976
- Electrochemical process using a fluidized electrode7US 4,206,020 ANational Research Development Corporation · 1980