F04B 43/073
The actuating fluid being controlled by at least one valve
Official title: the actuating fluid being controlled by at least one valve
F04B43/073 (The actuating fluid being controlled by at least one valve) appears on 437 US grants and 377 published applications in this corpus.
Search patents in F04B- Granted patents
- 437
- Published applications
- 377
- Assignees
- 189
- Inventors
- 562
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 9 | 0 |
| 1986 | 5 | 0 |
| 1987 | 5 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 0 | 0 |
| 1991 | 4 | 0 |
| 1992 | 4 | 0 |
| 1993 | 7 | 0 |
| 1994 | 6 | 0 |
| 1995 | 7 | 0 |
| 1996 | 14 | 0 |
| 1997 | 6 | 0 |
| 1998 | 10 | 0 |
| 1999 | 7 | 0 |
| 2000 | 11 | 0 |
| 2001 | 8 | 3 |
| 2002 | 16 | 7 |
| 2003 | 8 | 8 |
| 2004 | 7 | 11 |
| 2005 | 7 | 7 |
| 2006 | 5 | 9 |
| 2007 | 4 | 11 |
| 2008 | 3 | 15 |
| 2009 | 7 | 5 |
| 2010 | 5 | 12 |
| 2011 | 6 | 21 |
| 2012 | 13 | 8 |
| 2013 | 13 | 20 |
| 2014 | 13 | 22 |
| 2015 | 14 | 26 |
| 2016 | 9 | 12 |
| 2017 | 19 | 19 |
| 2018 | 16 | 10 |
| 2019 | 16 | 19 |
| 2020 | 17 | 18 |
| 2021 | 5 | 13 |
| 2022 | 18 | 27 |
| 2023 | 22 | 18 |
| 2024 | 26 | 26 |
| 2025 | 17 | 18 |
| 2026 | 17 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Diaphragm pump drive for an electric pump1 Sep 2026US 12,723,581 B2Graco Minnesota Inc.
- Pump for a bioprocessing system7 Jul 2026US 12,674,448 B2Cytiva Sweden AB
- Double diaphragm pump23 Jun 2026US 12,663,003 B2Unibloc Hygienic Technologies UK, Ltd.
- Control arrangement and method for controlling a sensorless membrane pump16 Jun 2026US 12,655,835 B2Eppendorf AG
- Agricultural sampling system and related methods2 Jun 2026US 12,644,877 B2Precision Planting LLC
- Liquid actuated pump, pump unit, and method of pumping a process fluid24 Sep 2026US 2026/0286949 A1Cytiva Sweden AB
- Pump for a bioprocessing system17 Sep 2026US 2026/0275979 A1Cytiva Sweden AB
- Agricultural sampling system and related methods17 Sep 2026US 2026/0276619 A1Precision Planting LLC
- Double diaphragm pump with improved plain bearing27 Aug 2026US 2026/0251134 A1Lutz Pumpen GmbH
- Detecting a fluid leak from a pump20 Aug 2026US 2026/0243249 A1Psg California LLC
Most cited
By later US patents
- Pumping cartridge including a bypass valve and method for directing flow in a pumping cartridge543US 6,416,293 B1DEKA Products Limited Partnership · 2002
- User interface and monitoring functions for automated peritoneal dialysis systems430US 5,438,510 ADEKA Products Limited Partnership · 1995
- Thermal and coductivity sensing systems, devices and methods316US 7,794,141 B2DEKA Products Limited Partnership · 2010
- Methods and systems for pulsed delivery of fluids from a pump296US 6,604,908 B1DEKA Products Limited Partnership · 2003
- Methods for controlling a pump's flow rate by pulsed discharge292US 6,749,403 B2DEKA Products Limited Partnership · 2004