F04B 7/0003
The distribution member forming both the inlet and discharge distributor for one
Official title: {the distribution member forming both the inlet and discharge distributor for one single pumping chamber (F04B7/0208 takes precedence)}
F04B7/0003 (The distribution member forming both the inlet and discharge distributor for one) appears on 128 US grants and 111 published applications in this corpus.
Search patents in F04B- Granted patents
- 128
- Published applications
- 111
- Assignees
- 83
- Inventors
- 220
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 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 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 7 | 0 |
| 1998 | 3 | 0 |
| 1999 | 7 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 0 |
| 2002 | 1 | 2 |
| 2003 | 4 | 2 |
| 2004 | 2 | 2 |
| 2005 | 0 | 3 |
| 2006 | 1 | 2 |
| 2007 | 1 | 1 |
| 2008 | 0 | 1 |
| 2009 | 1 | 3 |
| 2010 | 0 | 2 |
| 2011 | 0 | 4 |
| 2012 | 2 | 4 |
| 2013 | 1 | 3 |
| 2014 | 1 | 7 |
| 2015 | 3 | 4 |
| 2016 | 6 | 6 |
| 2017 | 4 | 10 |
| 2018 | 7 | 5 |
| 2019 | 6 | 6 |
| 2020 | 9 | 6 |
| 2021 | 4 | 4 |
| 2022 | 4 | 8 |
| 2023 | 5 | 9 |
| 2024 | 10 | 9 |
| 2025 | 9 | 6 |
| 2026 | 6 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Fluid end assembly18 Aug 2026US 12,710,039 B2Kerr Machine Co.
- Fluid routing plug19 May 2026US 12,631,166 B2Kerr Machine Co.
- High pressure pump31 Mar 2026US 12,590,575 B2Kerr Machine Co.
- Inline fluid dispense pump assembly17 Feb 2026US 12,553,422 B2Fluid Metering, Inc.
- Valve shaft pump with coordinated pumping and valving operations10 Feb 2026US 12,544,504 B2Becton, Dickinson and Company
- Fluid routing plug17 Sep 2026US 2026/0275972 A1Kerr Machine Co.
- Fluid routing plug16 Apr 2026US 2026/0104039 A1Kerr Machine Co.
- Fluid routing plug20 Nov 2025US 2025/0354542 A1Kerr Machine Co.
- Fluid routing plug11 Sep 2025US 2025/0283454 A1Kerr Machine Co.
- Fluid end assembly11 Sep 2025US 2025/0283465 A1Kerr Machine Co.
Most cited
By later US patents
- Disposable ambulatory microprocessor controlled volumetric pump249US 5,807,075 ASarcos Corp. · 1998
- Control system for timing a sequence of events102US 5,174,472 ARaque Food Systems, Inc. · 1992
- Controlled pumping system94US 4,089,624 ABecton, Dickinson and Company · 1978
- Volumetric pump with sterility seal77US 6,007,310 ASarcos LC · 1999
- Volumetric pump/valve74US 5,632,606 ASarcos Group · 1997