G01N 27/60
Investigating or analysing materials by the use of electric, electrochemical, or magnetic
Official title: by investigating electrostatic variables {, e.g. electrographic flaw testing (G01N27/007 takes precedence)}
G01N27/60 (Investigating or analysing materials by the use of electric, electrochemical, or magnetic) appears on 322 US grants and 247 published applications in this corpus.
Search patents in G01N- Granted patents
- 322
- Published applications
- 247
- Assignees
- 259
- Inventors
- 765
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 12 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 7 | 0 |
| 1986 | 5 | 0 |
| 1987 | 6 | 0 |
| 1988 | 1 | 0 |
| 1989 | 7 | 0 |
| 1990 | 4 | 0 |
| 1991 | 5 | 0 |
| 1992 | 7 | 0 |
| 1993 | 7 | 0 |
| 1994 | 6 | 0 |
| 1995 | 6 | 0 |
| 1996 | 10 | 0 |
| 1997 | 5 | 0 |
| 1998 | 10 | 0 |
| 1999 | 6 | 0 |
| 2000 | 9 | 0 |
| 2001 | 5 | 1 |
| 2002 | 5 | 5 |
| 2003 | 7 | 5 |
| 2004 | 9 | 6 |
| 2005 | 1 | 2 |
| 2006 | 3 | 4 |
| 2007 | 1 | 0 |
| 2008 | 2 | 5 |
| 2009 | 0 | 6 |
| 2010 | 4 | 5 |
| 2011 | 1 | 5 |
| 2012 | 4 | 3 |
| 2013 | 3 | 13 |
| 2014 | 5 | 8 |
| 2015 | 7 | 21 |
| 2016 | 14 | 10 |
| 2017 | 13 | 20 |
| 2018 | 16 | 17 |
| 2019 | 17 | 20 |
| 2020 | 11 | 26 |
| 2021 | 9 | 20 |
| 2022 | 20 | 10 |
| 2023 | 14 | 5 |
| 2024 | 7 | 5 |
| 2025 | 7 | 19 |
| 2026 | 4 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Locomotive sensor system for monitoring engine and lubricant health8 Sep 2026US 12,730,102 B2Transportation IP Holdings, LLC
- Decoding approaches for protein identification19 May 2026US 12,633,372 B2Nautilus Subsidiary, Inc.
- Streaming current monitor12 May 2026US 12,624,980 B2Dbg IP Limited
- Electric potential measurement system for continuously measuring the electric potential of the ground31 Mar 2026US 12,590,916 B2Global Cen Technologies Sl
- Voltage-responsive imaging element for sample-dependent light emission, imaging device, imaging system, associated analysis method and manufacturing method4 Nov 2025US 12,461,017 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Carbohydrate-based triboelectric sensors and devices including for food quality monitoring24 Sep 2026US 2026/0287550 A1The Board of Trustees of the University of Illinois
- System and method relating to an electric field at a location in a volume of an electrolytic medium20 Aug 2026US 2026/0243728 A1Imperial College Innovations Limited
- Cure and flow front detection system and associated devices25 Jun 2026US 2026/0177526 A1
- Concrete moisture content diagnosis device and system, and diagnosis method using the same30 Apr 2026US 2026/0118316 A1Research & Business Foundation Sungkyunkwan University
- Detector30 Apr 2026US 2026/0121007 A1Hunan LingFeng Instrument Equipment Co.,LTD
Most cited
By later US patents
- Measuring system for the control of residual dust in safety vacuum cleaners100US 6,779,380 B1Wap Reinigungssysteme GmbH & Co. · 2004
- Measurement of the mobile ion concentration in the oxide layer of a semiconductor wafer94US 5,773,989 ASemiconductor Diagnostics, Inc. · 1998
- Uniform density charge deposit source88US 5,644,223 AInternational Business Machines.Corp · 1997
- Non-contact hysteresis measurements of insulating films48US 6,734,696 B2KLA-Tencor Technologies Corporation · 2004
- Triboelectric instrument with DC drift compensation46US 5,448,172 AAuburn International, Inc. · 1995