G01R 29/12
Measuring electrostatic fields or voltage-potential
Official title: Measuring electrostatic fields {or voltage-potential}
G01R29/12 (Measuring electrostatic fields or voltage-potential) appears on 530 US grants and 440 published applications in this corpus.
Search patents in G01R- Granted patents
- 530
- Published applications
- 440
- Assignees
- 347
- Inventors
- 1,209
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 9 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 6 | 0 |
| 1981 | 5 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 8 | 0 |
| 1987 | 3 | 0 |
| 1988 | 12 | 0 |
| 1989 | 7 | 0 |
| 1990 | 8 | 0 |
| 1991 | 4 | 0 |
| 1992 | 6 | 0 |
| 1993 | 11 | 0 |
| 1994 | 5 | 0 |
| 1995 | 4 | 0 |
| 1996 | 7 | 0 |
| 1997 | 3 | 0 |
| 1998 | 7 | 0 |
| 1999 | 6 | 0 |
| 2000 | 3 | 0 |
| 2001 | 7 | 0 |
| 2002 | 2 | 8 |
| 2003 | 12 | 8 |
| 2004 | 7 | 4 |
| 2005 | 4 | 6 |
| 2006 | 11 | 16 |
| 2007 | 6 | 11 |
| 2008 | 8 | 11 |
| 2009 | 8 | 10 |
| 2010 | 4 | 8 |
| 2011 | 10 | 11 |
| 2012 | 9 | 6 |
| 2013 | 11 | 10 |
| 2014 | 9 | 27 |
| 2015 | 13 | 15 |
| 2016 | 15 | 34 |
| 2017 | 23 | 22 |
| 2018 | 25 | 34 |
| 2019 | 27 | 26 |
| 2020 | 35 | 25 |
| 2021 | 20 | 22 |
| 2022 | 24 | 33 |
| 2023 | 39 | 32 |
| 2024 | 25 | 25 |
| 2025 | 21 | 19 |
| 2026 | 17 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Direct control method and system for internal potential of bridge arm of new energy grid-tied inverter6 Oct 2026US 12,756,331 B2Southeast University
- Rydberg atom-based vector and polarization sensor29 Sep 2026US 12,748,140 B2The MITRE Corporation
- Inspecting device and inspecting method15 Sep 2026US 12,736,573 B2Integral Geometry Science Inc.
- HF electric field Rydberg sensor15 Sep 2026US 12,739,731 B2Rockwell Collins, Inc.
- Device for visualizing temperature and amount of static electricity25 Aug 2026US 12,716,778 B2Semes Co., Ltd.
- Electric field readout of a solid-state sensor8 Oct 2026US 2026/0313995 A1Rtx Bbn Technologies, Inc.
- Measurement system1 Oct 2026US 2026/0298986 A1Seikoh Giken Co., Ltd.
- Diamond spin sensor and device including the same24 Sep 2026US 2026/0287686 A1Nissin Electric Co., Ltd.
- Offset correction method for potential difference measuring apparatus and potential difference measuring apparatus27 Aug 2026US 2026/0251601 A1National Institute of Maritime, Port and Aviation Technology
- Electric field sensor device27 Aug 2026US 2026/0251688 A1Sony Semiconductor Solutions Corporation
Most cited
By later US patents
- Method for remotely detecting an electric field using a liquid crystal device154US 4,818,072 ARaychem Corporation · 1989
- Frequency selective arc detection117US 5,185,684 AEaton Corporation · 1993
- Method and means for optical detection of charge density modulation in a semiconductor114US 4,758,092 AStanford University · 1988
- Integrated sensor system for measuring electric and/or magnetic field vector components108US 7,141,968 B2Quasar Federal Systems, Inc. · 2006
- Sensor system for measurement of one or more vector components of an electric field106US 7,141,987 B2Quantum Applied Science and Research, Inc. · 2006