B06B 2201/55
Piezoelectric transducer
B06B2201/55 (Piezoelectric transducer) appears on 368 US grants and 425 published applications in this corpus.
Search patents in B06B- Granted patents
- 368
- Published applications
- 425
- Assignees
- 274
- Inventors
- 957
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 6 | 0 |
| 1978 | 5 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 5 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 6 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 2 |
| 2003 | 6 | 3 |
| 2004 | 3 | 3 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 4 | 3 |
| 2008 | 0 | 1 |
| 2009 | 2 | 0 |
| 2010 | 2 | 0 |
| 2011 | 0 | 2 |
| 2012 | 3 | 4 |
| 2013 | 2 | 4 |
| 2014 | 3 | 11 |
| 2015 | 4 | 17 |
| 2016 | 8 | 15 |
| 2017 | 9 | 20 |
| 2018 | 18 | 17 |
| 2019 | 16 | 15 |
| 2020 | 15 | 32 |
| 2021 | 17 | 45 |
| 2022 | 28 | 47 |
| 2023 | 33 | 56 |
| 2024 | 40 | 57 |
| 2025 | 43 | 46 |
| 2026 | 27 | 23 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Aerosol generating device18 Aug 2026US 12,708,150 B2Kt&G Corporation
- Pulse shaping methods for non-linear acoustic piezoelectric transducers11 Aug 2026US 12,703,003 B2Ecole De Technologie Superieure
- Drive device, ultrasonic sensor and vehicle11 Aug 2026US 12,704,617 B2Rohm Co., Ltd.
- Ultrasonic extraction device for plant polyphenols28 Jul 2026US 12,691,469 B2Zhejiang University
- Haptic feedback substrate and driving method therefor, and touch device14 Jul 2026US 12,681,582 B2Beijing BOE Technology Development Co., Ltd.
- Ultrasonic transducer, method for operating an ultrasonic transducer, and method for measuring distance8 Oct 2026US 2026/0307106 A1
- Patient interface for facilitating non-invasive acoustic delivery10 Sep 2026US 2026/0263843 A1Alpheus Medical, Inc.
- Tactile feedback method and apparatus27 Aug 2026US 2026/0252173 A1Beijing BOE Technology Development Co., Ltd.
- Ultrasonic sensor and vehicle6 Aug 2026US 2026/0225132 A1Panasonic Automotive Systems Co., Ltd.
- System for transmitting ultrasonic waves2 Jul 2026US 2026/0189858 A1Shaheen Innovations Holding Limited
Most cited
By later US patents
- Ultrasonic surgical apparatus1,933US 6,083,191 ASherwood Services AG · 2000
- Linear power control for ultrasonic probe with tuned reactance1,065US 4,954,960 AAlcon Laboratories, Inc. · 1990
- Linear power control for ultrasonic probe with tuned reactance962US 5,001,649 AAlcon Laboratories, Inc. · 1991
- Analog drive for ultrasonic probe with tunable phase angle778US 4,970,656 AAlcon Laboratories, Inc. · 1990
- Ultrasonic generating system with feedback control464US 4,708,127 AThe Birtcher Corporation · 1987