F04B 53/1092
And one single element forming both the inlet and outlet closure member
Official title: {and one single element forming both the inlet and outlet closure member}
F04B53/1092 (And one single element forming both the inlet and outlet closure member) appears on 40 US grants and 20 published applications in this corpus.
Search patents in F04B- Granted patents
- 40
- Published applications
- 20
- Assignees
- 34
- Inventors
- 66
- Latest grant
- 20 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 0 | 3 |
| 2016 | 3 | 1 |
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 2 | 3 |
| 2020 | 3 | 3 |
| 2021 | 1 | 0 |
| 2022 | 2 | 3 |
| 2023 | 1 | 0 |
| 2024 | 1 | 0 |
| 2025 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Liquid dispenser20 May 2025US 12,305,625 B2Fast & Fluid Management B.V.
- Drug delivery device7 Jan 2025US 12,186,529 B2Societe Industrielle de Sonceboz S.A.
- Flap valve for diaphragm pump20 Feb 2024US 11,905,944 B2Warren Rupp, Inc.
- Single piston foundation bag-in-box (BIB) pump28 Feb 2023US 11,592,013 B2Flow Control LLC
- Drug delivery device16 Aug 2022US 11,413,392 B2Societe Industrielle de Sonceboz S.A.
- Liquid dispenser3 Apr 2025US 2025/0109740 A1Fast & Fluid Managment B.V.
- Flap valve for diaphragm pump29 Sep 2022US 2022/0307493 A1Warren Rupp, Inc.
- Drug delivery device12 May 2022US 2022/0143311 A1Societe Industrielle de Sonceboz S.A.
- Single piston foundation bag-in-box (bib) pump28 Apr 2022US 2022/0128048 A1Flow Control LLC
- Liquid storage tank upper cover assembly of drawing or adding liquid machine and drawing or adding liquid machine20 Aug 2020US 2020/0261936 A1Jiashan Jinzhan Tool Co., Ltd.
Most cited
By later US patents
- Two-valve thin plate micropump365US 5,171,132 ASeiko Epson Corporation · 1992
- Two valve micropump with improved outlet343US 5,224,843 AWestonbridge International Limited · 1993
- Intravenous liquid pumping system and method191US 4,468,222 AValleylab, Inc. · 1984
- Valve and micropump incorporating said valve101US 5,277,556 AWestonbridge International Limited · 1994
- Pump with reduced clamping pressure effect on flap valve93US 5,785,508 AKNF Flodos AG · 1998