G01R 29/22
Measuring piezoelectric properties
G01R29/22 (Measuring piezoelectric properties) appears on 84 US grants and 59 published applications in this corpus.
Search patents in G01R- Granted patents
- 84
- Published applications
- 59
- Assignees
- 82
- Inventors
- 209
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 1 |
| 2002 | 3 | 3 |
| 2003 | 2 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 2 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 2 |
| 2009 | 1 | 1 |
| 2010 | 1 | 2 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 1 | 2 |
| 2014 | 1 | 1 |
| 2015 | 1 | 4 |
| 2016 | 1 | 5 |
| 2017 | 3 | 1 |
| 2018 | 5 | 5 |
| 2019 | 4 | 5 |
| 2020 | 2 | 7 |
| 2021 | 4 | 3 |
| 2022 | 4 | 9 |
| 2023 | 2 | 0 |
| 2024 | 4 | 2 |
| 2025 | 1 | 0 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for testing piezoelectric sound transducer17 Feb 2026US 12,551,611 B2Becton, Dickinson and Company
- Electronic component inspection method20 Jan 2026US 12,529,717 B2NGK Insulators, Ltd.
- Negative Poisson ratio piezoresistive sensor and method of manufacture22 Apr 2025US 12,281,948 B2The Florida State University Research Foundation, Inc.
- System and method for extraction of piezoelectric constants electrically10 Dec 2024US 12,163,988 B2United Arab Emirates University
- Method and generator for characterizing an oscillatory system27 Aug 2024US 12,072,363 B2Herrmann Ultraschalltechnik GmbH & Co. KG
- Method for Testing Piezoelectric Sound Transducer21 May 2026US 2026/0137861 A1Becton, Dickinson and Company
- Structural health monitoring sensor and system15 Jan 2026US 2026/0016449 A1The University of Adelaide
- Negative poisson ratio piezoresistive sensor and method of manufacture8 Feb 2024US 2024/0044728 A1The Florida State University Research Foundation, Inc.
- Electronic component inspection method11 Jan 2024US 2024/0012038 A1NGK Insulators, Ltd.
- Device and method for determining an effective piezoelectric coefficient of a material13 Oct 2022US 2022/0326291 A1Commissariat A L' Energie Atomique Et Aux Energies Alternatives
Most cited
By later US patents
- Electrode-separated piezoelectric crystal oscillator and method for measurement using the electrode-separated piezoelectric crystal oscillator235US 5,235,238 ADainabot Co., Ltd. · 1993
- Method for optimizing the drive of a piezoelectric actuator, in particular for phacoemulsifier devices, by dynamic detection of its eletromechanical characteristics and devices based thereupon66US 6,175,180 B1Optikon 2000 S.p.A. · 2001
- Control circuitry for quartz crystal deposition monitor24US 5,117,192 ALeybold Inficon, Inc. · 1992
- Piezoelectric crystal microbalance device24US 6,006,589 AO-Sense AB · 1999
- Method and apparatus for detecting defects in piezoelectric actuators22US 6,556,028 B1Storage Test Solutions, Inc. · 2003