B06B 1/0292
Electrostatic transducers
Official title: {Electrostatic transducers, e.g. electret-type}
B06B1/0292 (Electrostatic transducers) appears on 910 US grants and 1,158 published applications in this corpus.
Search patents in B06B- Granted patents
- 910
- Published applications
- 1,158
- Assignees
- 291
- Inventors
- 1,367
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 7 | 3 |
| 2002 | 7 | 4 |
| 2003 | 8 | 7 |
| 2004 | 9 | 19 |
| 2005 | 7 | 38 |
| 2006 | 4 | 14 |
| 2007 | 10 | 38 |
| 2008 | 16 | 35 |
| 2009 | 23 | 36 |
| 2010 | 33 | 40 |
| 2011 | 33 | 35 |
| 2012 | 21 | 37 |
| 2013 | 44 | 50 |
| 2014 | 43 | 58 |
| 2015 | 40 | 64 |
| 2016 | 50 | 61 |
| 2017 | 45 | 70 |
| 2018 | 57 | 59 |
| 2019 | 53 | 64 |
| 2020 | 53 | 73 |
| 2021 | 40 | 73 |
| 2022 | 56 | 78 |
| 2023 | 68 | 52 |
| 2024 | 74 | 70 |
| 2025 | 45 | 49 |
| 2026 | 39 | 31 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Apparatus and method for characterization of a ductile membrane, surface and sub-surface properties29 Sep 2026US 12,745,986 B2OtoNexus Medical Technologies, Inc.
- Acoustic element and acoustic element integrated circuit29 Sep 2026US 12,746,574 B2Silicon & System Co., Limited
- Flexible capacitive micromachined ultrasonic transducer arrays25 Aug 2026US 12,714,404 B2The University of British Columbia
- Ultrasound interconnect stack and method of manufacturing same25 Aug 2026US 12,715,021 B2DarkVision Technologies Inc.
- Filtering and apodization combination for ultrasound image generation and associated systems, methods, and devices11 Aug 2026US 12,702,383 B2Koninklijke Philips N. V.
- Cmut drive method8 Oct 2026US 2026/0307105 A1Xiver Mems Foundry B.V.
- Method for manufacturing a cmut transducer1 Oct 2026US 2026/0295636 A1
- Semiconductor device with improved dielectric film structure and method of manufacturing same1 Oct 2026US 2026/0295637 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Display apparatus and preparation method therefor1 Oct 2026US 2026/0299695 A1Beijing BOE Technology Development Co., Ltd.
- Ultrasonic transducer, a method for transmitting of an ultrasound wave, and a method for detecting of an ultrasound wave17 Sep 2026US 2026/0273576 A1Imec Vzw
Most cited
By later US patents
- Elastomeric micro electro mechanical systems276US 5,642,015 AThe University of British Columbia · 1997
- Method and apparatus for controlling scanning of mosaic sensor array160US 7,313,053 B2General Electric Company · 2007
- Capacitive micromachined ultrasonic transducer arrays with reduced cross-coupling158US 6,262,946 B1The Board of Trustees of the Leland Stanford Junior University · 2001
- Micromachined ultrasonic transducers and method of fabrication148US 6,958,255 B2The Board of Trustees of the Leland Stanford Junior University · 2005
- Acoustic liquid processing device146US 5,395,592 A1995