F04B 53/1065
Fixed at its centre
Official title: {fixed at its centre}
F04B53/1065 (Fixed at its centre) appears on 43 US grants and 38 published applications in this corpus.
Search patents in F04B- Granted patents
- 43
- Published applications
- 38
- Assignees
- 33
- Inventors
- 92
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 2 |
| 2007 | 0 | 2 |
| 2008 | 0 | 3 |
| 2009 | 0 | 1 |
| 2010 | 1 | 2 |
| 2011 | 1 | 1 |
| 2012 | 2 | 1 |
| 2013 | 2 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 5 |
| 2017 | 1 | 0 |
| 2018 | 1 | 2 |
| 2019 | 2 | 1 |
| 2020 | 2 | 2 |
| 2021 | 2 | 4 |
| 2022 | 1 | 3 |
| 2023 | 3 | 1 |
| 2024 | 2 | 2 |
| 2025 | 4 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Diaphragm pump14 Apr 2026US 12,601,340 B2Cytiva Sweden AB
- Underneath large-capacity single-gas-pump foam generating device16 Dec 2025US 12,495,937 B2Faner Aroma Product Co., Ltd.
- Multiple cavity reciprocating positive displacement fluid pump8 Jul 2025US 12,352,252 B2Cytiva Sweden AB
- Valve assemblies for a diaphragm pump1 Jul 2025US 12,345,248 B2PSG Germany GmbH
- Diaphragm pump20 May 2025US 12,305,629 B2Mabuchi Motor Oken Co., Ltd.
- Diaphragm Pump23 Jul 2026US 2026/0210347 A1Cytiva Sweden AB
- Diaphragm pump and valve assembly for a diaphragm pump11 Dec 2025US 2025/0376980 A1Wanner Engineering, Inc.
- Diaphragm Pump2 Jan 2025US 2025/0003404 A1PSG Germany GmbH
- Underneath large-capacity single-gas-pump foam generating device21 Mar 2024US 2024/0090713 A1Faner Aroma Product Co., Ltd.
- In and Relating to Pumps18 Jan 2024US 2024/0018952 A1Cytiva Sweden AB
Most cited
By later US patents
- Triple discharge pump140US 4,610,605 AProduct Research and Development · 1986
- Diaphragm pump with modified valves110US 6,048,183 AShurflo Pump Manufacturing Co. · 2000
- Infinitely variable pneumatic pulsatile pump84US 5,487,649 AAmerican Hydro-Surgical Instruments, Inc. · 1996
- Dosing pump49US 5,971,723 AKNF Flodos AG · 1999
- Infinitely variable pneumatic pulsatile pump44US 5,924,448 AC. R. Bard, Inc. · 1999