F04B 7/0266
The inlet and discharge means being separate members
Official title: {the inlet and discharge means being separate members}
F04B7/0266 (The inlet and discharge means being separate members) appears on 122 US grants and 105 published applications in this corpus.
Search patents in F04B- Granted patents
- 122
- Published applications
- 105
- Assignees
- 72
- Inventors
- 191
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 2 |
| 2003 | 0 | 4 |
| 2004 | 1 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 1 | 2 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 2 | 4 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 3 | 6 |
| 2016 | 1 | 7 |
| 2017 | 0 | 2 |
| 2018 | 3 | 6 |
| 2019 | 5 | 8 |
| 2020 | 10 | 6 |
| 2021 | 6 | 4 |
| 2022 | 13 | 7 |
| 2023 | 6 | 9 |
| 2024 | 13 | 12 |
| 2025 | 13 | 15 |
| 2026 | 10 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Through-hardened valve seat for hydraulic fracturing1 Sep 2026US 12,723,662 B2Apex Industrial LLC
- Fluid end assembly18 Aug 2026US 12,710,039 B2Kerr Machine Co.
- Fluid routing plug19 May 2026US 12,631,166 B2Kerr Machine Co.
- Fluid end12 May 2026US 12,624,684 B2Kerr Machine Co.
- Hydraulic piston pump assemblies5 May 2026US 12,618,399 B2Roadtek Enterprises Inc.
- Through-Hardened Valve Seat for Hydraulic Fracturing1 Oct 2026US 2026/0298349 A1Apex Industrial LLC
- Fluid end17 Sep 2026US 2026/0275971 A1Kerr Machine Co.
- 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.
Most cited
By later US patents
- User interface and monitoring functions for automated peritoneal dialysis systems430US 5,438,510 ADEKA Products Limited Partnership · 1995
- Pumping device having inlet and outlet valves adjacent opposed sides of a tube deforming device110US 5,151,019 ADanby Medical Engineering Ltd. · 1992
- Pneumatically controlled liquid transfer system65US 3,932,065 ACoulter Electronics, Inc. · 1976
- Diaphragm pump and related methods54US 8,197,231 B2Purity Solutions LLC · 2012
- Method and apparatus for dispensing fluids53US 6,478,547 B1Integrated Designs, L.P. · 2002