F04B 45/043
Two or more plate-like pumping flexible members in parallel
Official title: {two or more plate-like pumping flexible members in parallel}
F04B45/043 (Two or more plate-like pumping flexible members in parallel) appears on 174 US grants and 213 published applications in this corpus.
Search patents in F04B- Granted patents
- 174
- Published applications
- 213
- Assignees
- 105
- Inventors
- 369
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 3 | 2 |
| 2003 | 1 | 3 |
| 2004 | 2 | 2 |
| 2005 | 0 | 6 |
| 2006 | 4 | 1 |
| 2007 | 1 | 3 |
| 2008 | 3 | 9 |
| 2009 | 1 | 2 |
| 2010 | 5 | 5 |
| 2011 | 1 | 3 |
| 2012 | 3 | 4 |
| 2013 | 1 | 7 |
| 2014 | 4 | 8 |
| 2015 | 10 | 8 |
| 2016 | 4 | 10 |
| 2017 | 6 | 11 |
| 2018 | 10 | 11 |
| 2019 | 6 | 11 |
| 2020 | 18 | 25 |
| 2021 | 12 | 18 |
| 2022 | 15 | 14 |
| 2023 | 17 | 15 |
| 2024 | 11 | 14 |
| 2025 | 14 | 10 |
| 2026 | 13 | 10 |
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.
- Diaphragm pump drive for an electric pump1 Sep 2026US 12,723,581 B2Graco Minnesota Inc.
- Double diaphragm pump23 Jun 2026US 12,663,003 B2Unibloc Hygienic Technologies UK, Ltd.
- Compact multi-chamber foam-at-a-distance pumps and dispensers5 May 2026US 12,616,342 B2GOJO Industries, Inc.
- Pump assembly5 May 2026US 12,618,402 B2Leggett & Platt Canada Co.
- Diaphragm pump housing having direct inlet channels to each chamber27 Aug 2026US 2026/0251137 A1Flow Control LLC
- A diaphragm compressor arrangement and use thereof30 Jul 2026US 2026/0218698 A1Cavendish Hydrogen A/S
- Physiological monitoring device attachment assembly23 Jul 2026US 2026/0207105 A1Masimo Corporation
- Diaphragm Pump23 Jul 2026US 2026/0210347 A1Cytiva Sweden AB
- Novel design and production technique of synthetic jet actuators28 May 2026US 2026/0146595 A1Actasys Inc.
Most cited
By later US patents
- Charging station for physiological monitoring device249US 11,637,437 B2Masimo Corporation · 2023
- Physiological monitoring device attachment assembly228US 11,678,829 B2Masimo Corporation · 2023
- Blood pressure monitor attachment assembly221US 11,701,043 B2Masimo Corporation · 2023
- Liquid inhibiting air intake for blood pressure monitor149US 11,986,305 B2Masimo Corporation · 2024
- Patient monitoring systems, devices, and methods82US 12,178,581 B2Masimo Corporation · 2024