F04B 43/0045
With a number of independent working chambers which are actuated successively by
Official title: {with a number of independent working chambers which are actuated successively by one mechanism}
F04B43/0045 (With a number of independent working chambers which are actuated successively by) appears on 68 US grants and 68 published applications in this corpus.
Search patents in F04B- Granted patents
- 68
- Published applications
- 68
- Assignees
- 49
- Inventors
- 131
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 4 |
| 2012 | 0 | 1 |
| 2013 | 3 | 2 |
| 2014 | 3 | 4 |
| 2015 | 2 | 4 |
| 2016 | 1 | 7 |
| 2017 | 4 | 5 |
| 2018 | 5 | 8 |
| 2019 | 6 | 3 |
| 2020 | 9 | 6 |
| 2021 | 5 | 5 |
| 2022 | 3 | 7 |
| 2023 | 4 | 3 |
| 2024 | 2 | 2 |
| 2025 | 2 | 2 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Diaphragm assembly and diaphragm pump5 May 2026US 12,618,401 B1Zhejiang Ele Smart Technology Co., Ltd.
- Diaphragm pump14 Apr 2026US 12,601,340 B2Cytiva Sweden AB
- Diaphragm pump27 Jan 2026US 12,535,066 B2Mabuchi Motor Oken Co., Ltd.
- Diaphragm pump20 May 2025US 12,305,629 B2Mabuchi Motor Oken Co., Ltd.
- Diaphragm Pump23 Jul 2026US 2026/0210347 A1Cytiva Sweden AB
- Multi-reagent peristaltic pump dispensing11 Jun 2026US 2026/0160240 A1Hach Company
- Diaphragm assembly and diaphragm pump7 May 2026US 2026/0126035 A1Zhejiang Ele Smart Technology Co., Ltd.
- Diaphragm pump18 Sep 2025US 2025/0290500 A1Thomas Magnete GmbH
- Bypass and demand pump and valve system for bypass and demand pump2 Jan 2025US 2025/0003401 A1Delavan AG Pumps, Inc.
Most cited
By later US patents
- High efficiency diaphragm pump116US 5,791,882 AShurflo Pump Manufacturing Co. · 1998
- Metering pump48US 4,865,525 AGrunbeck Wasseraufbereitung GmbH · 1989
- Diaphragm compressor system and method24US 10,619,633 B2Other Lab, LLC · 2020
- Diaphragm compressor system and method23US 10,012,229 B2Other Lab, LLC · 2018
- Pneumatic exomuscle system and method18US 9,827,667 B2Other Lab, LLC · 2017