G10K 9/121
Flextensional transducers
Official title: {Flextensional transducers}
G10K9/121 (Flextensional transducers) appears on 147 US grants and 68 published applications in this corpus.
Search patents in G10K- Granted patents
- 147
- Published applications
- 68
- Assignees
- 83
- Inventors
- 232
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 5 | 0 |
| 1990 | 8 | 0 |
| 1991 | 6 | 0 |
| 1992 | 6 | 0 |
| 1993 | 4 | 0 |
| 1994 | 6 | 0 |
| 1995 | 4 | 0 |
| 1996 | 5 | 0 |
| 1997 | 3 | 0 |
| 1998 | 6 | 0 |
| 1999 | 4 | 0 |
| 2000 | 6 | 0 |
| 2001 | 4 | 1 |
| 2002 | 3 | 1 |
| 2003 | 5 | 3 |
| 2004 | 4 | 2 |
| 2005 | 3 | 4 |
| 2006 | 0 | 3 |
| 2007 | 3 | 3 |
| 2008 | 3 | 0 |
| 2009 | 5 | 4 |
| 2010 | 0 | 4 |
| 2011 | 4 | 5 |
| 2012 | 2 | 1 |
| 2013 | 2 | 1 |
| 2014 | 2 | 5 |
| 2015 | 4 | 5 |
| 2016 | 0 | 2 |
| 2017 | 2 | 2 |
| 2018 | 7 | 2 |
| 2019 | 3 | 3 |
| 2020 | 5 | 6 |
| 2021 | 3 | 1 |
| 2022 | 4 | 0 |
| 2023 | 3 | 3 |
| 2024 | 1 | 2 |
| 2025 | 0 | 3 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Linear motor driving means for acoustic emitters22 Sep 2026US 12,742,898 B2Akitemos Solutions AB
- Class VIII flextensional transducers and method of assembly16 Jun 2026US 12,658,168 B2QorTek, Inc.
- High amplification flextensional transduction and devices6 Feb 2024US 11,893,975 B1The United States of America as represented by the Secretary of the Navy
- MEMS transducer with improved performance24 Oct 2023US 11,800,294 B2Hahn-Schickard-Gesellschaft FüR Angewandte Forschung E. V.
- Variable thickness diaphragm for a wideband robust piezoelectric micromachined ultrasonic transducer (PMUT)24 Oct 2023US 11,800,804 B2The Regents of the University of California
- Method of Assembling An Elliptical Transducer8 Oct 2026US 2026/0311669 A1QorTek, Inc.
- Elliptical Transducers8 Oct 2026US 2026/0311670 A1QorTek, Inc.
- Multi-resonance flextensional low frequency acoustic projector29 May 2025US 2025/0170612 A1Agency for Defense Development
- Linear motor driving means for acoustic emitters27 Mar 2025US 2025/0102692 A1Akitemos Solutions AB
- Vibrating device16 Jan 2025US 2025/0018428 A1TDK Corporation
Most cited
By later US patents
- Transformed stress direction acoustic transducer115US 4,999,819 AThe Pennsylvania Research Corporation · 1991
- Flextensional transducer98US 4,742,499 AImage Acoustics, Inc. · 1988
- Piezoelectric user interface72US 7,869,589 B2Nokia Corporation · 2011
- Electro-mechanical transduction apparatus69US 4,845,688 AImage Acoustics, Inc. · 1989
- Monopole, dipole, and quadrupole borehole seismic transducers56US 5,030,873 ASouthwest Research Institute · 1991