G01N 29/2406
Electrostatic or capacitive probes
Official title: {Electrostatic or capacitive probes, e.g. electret or cMUT-probes}
G01N29/2406 (Electrostatic or capacitive probes) appears on 213 US grants and 267 published applications in this corpus.
Search patents in G01N- Granted patents
- 213
- Published applications
- 267
- Assignees
- 95
- Inventors
- 390
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 4 |
| 2006 | 2 | 0 |
| 2007 | 1 | 6 |
| 2008 | 1 | 5 |
| 2009 | 2 | 6 |
| 2010 | 3 | 4 |
| 2011 | 5 | 9 |
| 2012 | 1 | 4 |
| 2013 | 8 | 13 |
| 2014 | 10 | 13 |
| 2015 | 8 | 15 |
| 2016 | 12 | 17 |
| 2017 | 10 | 28 |
| 2018 | 18 | 28 |
| 2019 | 24 | 23 |
| 2020 | 25 | 18 |
| 2021 | 15 | 16 |
| 2022 | 15 | 16 |
| 2023 | 13 | 12 |
| 2024 | 15 | 15 |
| 2025 | 13 | 11 |
| 2026 | 8 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Sensing devices1 Sep 2026US 12,726,755 B2Shenzhen Shokz Co., Ltd.
- Flexible capacitive micromachined ultrasonic transducer arrays25 Aug 2026US 12,714,404 B2The University of British Columbia
- Systems and methods for monitoring batteries in user devices23 Jun 2026US 12,663,482 B2Titan Advanced Energy Solutions, Inc.
- Altering and enhancing resonator performances using free to fixed boundary ratio (FFBR) topology7 Apr 2026US 12,594,580 B2University of Windsor
- Analysis device and method for determining an oscillation pattern of a substance7 Apr 2026US 12,596,106 B2FR-Future1 Franziska Michl und Raimund Hoffmann GbR
- Systems and methods for identification of ions in solution28 May 2026US 2026/0146968 A1Technion Research & Development Foundation Limited
- Acoustic Windows with Limited Acoustic Attenuation for Ultrasound Probes28 May 2026US 2026/0146974 A1Bfly Operations, Inc.
- Segmented getter openings for micromachined ultrasound transducerdevices14 May 2026US 2026/0131358 A1Bfly Operations, Inc.
- Methods of operating and manufacturing capacitive micromachined ultrasonic transducer with contoured electrode29 Jan 2026US 2026/0027584 A1The Board of Trustees of the Leland Stanford Junior University
- Cmut medical devices, fabrication methods, systems, and related methods11 Dec 2025US 2025/0375185 A1
Most cited
By later US patents
- Microfabricated ultrasonic transducers and related apparatus and methods123US 9,067,779 B1Butterfly Network, Inc. · 2015
- Micro-electro-mechanical transducer having embedded springs82US 7,564,172 B1Kolo Technologies, Inc. · 2009
- Separate cMUTs for reception and transmission78US 7,779,696 B2Kolo Technologies, Inc. · 2010
- Modulation in micromachined ultrasonic transducers77US 7,956,510 B2Kolo Technologies, Inc. · 2011
- Multiple element electrode cMUT devices and fabrication methods75US 8,008,835 B2Georgia Tech Research Corporation · 2011