F04B 43/095
Piezoelectric drive
Official title: {Piezoelectric drive}
F04B43/095 (Piezoelectric drive) appears on 94 US grants and 94 published applications in this corpus.
Search patents in F04B- Granted patents
- 94
- Published applications
- 94
- Assignees
- 46
- Inventors
- 184
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 0 | 2 |
| 2005 | 1 | 1 |
| 2006 | 2 | 2 |
| 2007 | 0 | 1 |
| 2008 | 3 | 1 |
| 2009 | 2 | 3 |
| 2010 | 0 | 5 |
| 2011 | 3 | 6 |
| 2012 | 2 | 1 |
| 2013 | 4 | 6 |
| 2014 | 3 | 7 |
| 2015 | 4 | 8 |
| 2016 | 5 | 5 |
| 2017 | 4 | 11 |
| 2018 | 2 | 6 |
| 2019 | 8 | 3 |
| 2020 | 11 | 10 |
| 2021 | 6 | 5 |
| 2022 | 6 | 3 |
| 2023 | 8 | 1 |
| 2024 | 1 | 4 |
| 2025 | 0 | 1 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Piezoelectric MEMS-based active cooling for heat dissipation in compute devices22 Sep 2026US 12,745,638 B2Frore Systems Inc.
- Piezoelectric displacement unit for a medical hose pump and medical hose pump13 Jan 2026US 12,523,215 B2B. Braun Melsungen AG
- Piezoelectric pump device16 Apr 2024US 11,959,472 B2Murata Manufacturing Co., Ltd.
- Mobile phone and other compute device cooling architecture28 Nov 2023US 11,830,789 B2Frore Systems Inc.
- Micropump7 Nov 2023US 11,806,502 B2Tandem Diabetes Care Switzerland Sàrl
- Surface enhancement of a bonding surface in a piezo electric pump/valve3 Apr 2025US 2025/0109742 A1Boston Scientific Scimed, Inc.
- Piezoelectric mems-based active cooling for heat dissipation in compute devices11 Jul 2024US 2024/0234247 A9Frore Systems Inc.
- Microfluidic pump system for administering liquid medication6 Jun 2024US 2024/0181154 A1Tandem Diabetes Care Switzerland Sàrl
- Piezoelectric mems-based active cooling for heat dissipation in compute devices25 Apr 2024US 2024/0136252 A1Frore Systems Inc.
- Displacement unit for a medical hose pump and medical hose pump25 Jan 2024US 2024/0024570 A1B. Braun Melsungen AG
Most cited
By later US patents
- Peristaltic pump153US 6,102,678 AMedtronic, Inc. · 2000
- Electroactive polymer devices for moving fluid149US 7,064,472 B2SRI International · 2006
- Peristaltic piezoelectric pump with internal load sensor74US 4,432,699 AThe Abet Group · 1984
- Piezoelectrically actuated fluid pumps70US 6,042,345 AFace International Corporation · 2000
- Electroactive polymer-actuated peristaltic pump and medical lead incorporating such a pump69US 7,397,166 B1Pacesetter, Inc. · 2008