F04B 43/043
Micropumps
Official title: {Micropumps}
F04B43/043 (Micropumps) appears on 1,160 US grants and 1,340 published applications in this corpus.
Search patents in F04B- Granted patents
- 1,160
- Published applications
- 1,340
- Assignees
- 513
- Inventors
- 2,045
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 5 | 0 |
| 1990 | 6 | 0 |
| 1991 | 3 | 0 |
| 1992 | 9 | 0 |
| 1993 | 14 | 0 |
| 1994 | 13 | 0 |
| 1995 | 8 | 0 |
| 1996 | 10 | 0 |
| 1997 | 5 | 0 |
| 1998 | 15 | 0 |
| 1999 | 7 | 0 |
| 2000 | 13 | 0 |
| 2001 | 21 | 11 |
| 2002 | 25 | 40 |
| 2003 | 35 | 36 |
| 2004 | 33 | 53 |
| 2005 | 26 | 61 |
| 2006 | 27 | 53 |
| 2007 | 46 | 46 |
| 2008 | 32 | 62 |
| 2009 | 21 | 72 |
| 2010 | 34 | 62 |
| 2011 | 54 | 56 |
| 2012 | 43 | 46 |
| 2013 | 39 | 68 |
| 2014 | 39 | 53 |
| 2015 | 49 | 42 |
| 2016 | 42 | 38 |
| 2017 | 28 | 59 |
| 2018 | 29 | 54 |
| 2019 | 62 | 71 |
| 2020 | 42 | 71 |
| 2021 | 66 | 71 |
| 2022 | 53 | 59 |
| 2023 | 69 | 53 |
| 2024 | 52 | 46 |
| 2025 | 44 | 38 |
| 2026 | 32 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Micromembrane pumping device29 Sep 2026US 12,747,726 B2Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e. V.
- Piezoelectric MEMS-based active cooling for heat dissipation in compute devices22 Sep 2026US 12,745,638 B2Frore Systems Inc.
- Liquid feeding device and inkjet recording apparatus15 Sep 2026US 12,736,043 B2KYOCERA Document Solutions Inc.
- Tuned micro check valves and pumps15 Sep 2026US 12,736,044 B2Q T Flow Ltd
- Diaphragm pump, liquid discharge head, and liquid discharge apparatus25 Aug 2026US 12,716,409 B2Canon Kabushiki Kaisha
- Implantable electromagnetic pumps8 Oct 2026US 2026/0306297 A1Verily Health Inc.
- Actuator8 Oct 2026US 2026/0314264 A1Murata Manufacturing Co., Ltd.
- Diaphragm pump, liquid ejection head and liquid ejection apparatus17 Sep 2026US 2026/0273948 A1
- Fluid control device17 Sep 2026US 2026/0275978 A1Murata Manufacturing Co., Ltd.
- Haptic feedback device for virtual reality (vr) and augmented reality (ar)30 Jul 2026US 2026/0218697 A1Taiwan Semiconductor Manufacturing Company.Ltd
Most cited
By later US patents
- Electroactive polymer devices1,577US 6,545,384 B1SRI International · 2003
- Electroactive polymer electrodes1,515US 6,583,533 B2SRI International · 2003
- Microfabricated elastomeric valve and pump systems619US 6,408,878 B1California Institute of Technology · 2002
- Methods and apparatus for analyzing polynucleotide sequences612US 6,818,395 B1California Institute of Technology · 2004
- Methods and apparatus for analyzing polynucleotide sequences567US 6,911,345 B2California Institute of Technology · 2005