F04B 53/1057
The valve being a tube
Official title: {the valve being a tube, e.g. normally closed at one end}
F04B53/1057 (The valve being a tube) appears on 19 US grants and 12 published applications in this corpus.
Search patents in F04B- Granted patents
- 19
- Published applications
- 12
- Assignees
- 18
- Inventors
- 42
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 2 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 2 |
| 2025 | 2 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Dense-phase powder pump with pinch valve and pinch valve25 Nov 2025US 12,479,000 B2Gema Switzerland GmbH
- Full-plastic liquid pump4 Mar 2025US 12,241,464 B2Xiamen Daida Technology Co., Ltd.
- Diaphragm pump utilizing duckbill valves, multi-directional ports and flexible electrical connectivity13 Feb 2024US 11,898,548 B2Flow Control LLC
- Check valve, diaphragm pump, and printing apparatus8 Jan 2019US 10,173,434 B2Seiko Epson Corporation
- Method and system for pumping powder, and powder coating apparatus30 Oct 2007US 7,287,964 B2ITW Gema AG
- A flap valve magnetorheological micropump8 Oct 2026US 2026/0309144 A1Georgia Southern University Research and Service Foundation, Inc.
- Pump body assembly and booster energy-saving water pump with the same23 Jan 2025US 2025/0027493 A1Dongguan Shengzai Electronic Technology Co., Ltd.
- Dense-phase powder pump with pinch valve and pinch valve26 Sep 2024US 2024/0316591 A1Gema Switzerland GmbH
- Full-plastic liquid pump22 Aug 2024US 2024/0280117 A1Xiamen Daida Technology Co., Ltd.
- Reciprocating volume pump29 Apr 2021US 2021/0123430 A1
Most cited
By later US patents
- Reagent pump assembly106US 5,934,885 ABayer Aktiengesellschaft · 1999
- Pneumatic diaphragm pump100US 5,669,764 ABayer Aktiengesellschaft · 1997
- Fluid metering pump83US 5,284,425 AThe Lee Company · 1994
- Dual chamber pumping apparatus82US 4,995,864 AIMED Corporation · 1991
- Metering pump45US 5,154,589 ANational Instrument Company, Inc. · 1992