F04B 7/0038
The distribution member forming a single inlet for a plurality of pumping
Official title: {the distribution member forming a single inlet for a plurality of pumping chambers or a multiple discharge for one single pumping chamber}
F04B7/0038 (The distribution member forming a single inlet for a plurality of pumping) appears on 14 US grants and 13 published applications in this corpus.
Search patents in F04B- Granted patents
- 14
- Published applications
- 13
- Assignees
- 10
- Inventors
- 30
- Latest grant
- 26 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 3 |
| 2021 | 0 | 0 |
| 2022 | 1 | 1 |
| 2023 | 1 | 2 |
| 2024 | 1 | 1 |
| 2025 | 3 | 1 |
By publication year. Applications have been published since 2001.
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Most cited
By later US patents
- Linear liquid dispensing pump for dispensing liquid in nanoliter volumes124US 5,312,233 AIvek Corporation · 1994
- Pressurized diaphragm pump and directional flow controller therefor19US 5,232,353 A1993
- Pressurized diaphragm pump and directional flow controller therefor13US 5,353,838 A1994
- Metering pump8US 7,278,836 B2Hammonds Technical Services, Inc. · 2007
- Two-cylinder thick matter pump3US 6,450,779 B1Schwing GmbH · 2002