F04B 53/1072
The valve being an elastic body, the length thereof changing in the
Official title: {the valve being an elastic body, the length thereof changing in the opening direction}
F04B53/1072 (The valve being an elastic body, the length thereof changing in the) appears on 28 US grants and 31 published applications in this corpus.
Search patents in F04B- Granted patents
- 28
- Published applications
- 31
- Assignees
- 29
- Inventors
- 85
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 2 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 1 |
| 2018 | 2 | 9 |
| 2019 | 4 | 3 |
| 2020 | 4 | 5 |
| 2021 | 3 | 0 |
| 2022 | 2 | 3 |
| 2023 | 2 | 1 |
| 2024 | 0 | 2 |
| 2025 | 1 | 1 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Valve spring seat sleeve, valve assembly and plunger pump81US 11,519,405 B2Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. · 2022
- Electromagnetically driven reciprocating pump with fluted piston31US 5,509,792 APumpworks, Inc. · 1996
- Positive one-way check valve16US 4,597,511 AAFA Consolidated Corporation · 1986
- Pump12US 6,186,369 B1Innocos Innovative Verpackungen fur Die Kosmetische Industrie GmbH · 2001
- Pump with side inlet valve for improved functioning in an inverted container10US 8,591,207 B2GOJO Industries, Inc. · 2013