F04B 43/0081
Systems, control, safety measures
Official title: {systems, control, safety measures}
F04B43/0081 (Systems, control, safety measures) appears on 366 US grants and 385 published applications in this corpus.
Search patents in F04B- Granted patents
- 366
- Published applications
- 385
- Assignees
- 242
- Inventors
- 787
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 6 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 5 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 9 | 0 |
| 2001 | 5 | 1 |
| 2002 | 9 | 8 |
| 2003 | 10 | 3 |
| 2004 | 7 | 11 |
| 2005 | 6 | 9 |
| 2006 | 4 | 8 |
| 2007 | 3 | 14 |
| 2008 | 2 | 14 |
| 2009 | 2 | 12 |
| 2010 | 7 | 9 |
| 2011 | 8 | 9 |
| 2012 | 11 | 6 |
| 2013 | 7 | 13 |
| 2014 | 9 | 16 |
| 2015 | 8 | 19 |
| 2016 | 10 | 17 |
| 2017 | 7 | 20 |
| 2018 | 20 | 18 |
| 2019 | 27 | 32 |
| 2020 | 22 | 29 |
| 2021 | 17 | 32 |
| 2022 | 23 | 27 |
| 2023 | 26 | 15 |
| 2024 | 20 | 19 |
| 2025 | 12 | 11 |
| 2026 | 18 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Multi-reagent peristaltic pump dispensing8 Sep 2026US 12,729,674 B2Hach Company
- Bellows failure detection for a pump1 Sep 2026US 12,723,580 B2Halliburton Energy Services.Inc.
- Monitoring method for monitoring the operation of a dosing pump and dosing pump system11 Aug 2026US 12,704,120 B2Grundfos Holding A/S
- Diaphragm rupture signalling device28 Jul 2026US 12,692,855 B2ProMinent GmbH
- Valves with overdriven protection7 Jul 2026US 12,674,445 B2Daoz International Holding Limited
- 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
- Diaphragm Pump23 Jul 2026US 2026/0210347 A1Cytiva Sweden AB
- Hydraulic Linkage Plunger Pushing Mechanism and Plunger Diaphragm Pump Using Same25 Jun 2026US 2026/0177047 A1Shanghai Nikuni Fluid System Co., Ltd.
- Pumping segment recovery mechanism18 Jun 2026US 2026/0166218 A1CareFusion 303, Inc.
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
- Pump chamber having at least one spacer for inhibiting the pumping of a gas354US 6,382,923 B1DEKA Products Limited Partnership · 2002
- Two valve micropump with improved outlet343US 5,224,843 AWestonbridge International Limited · 1993
- Method and apparatus for controlling fluid pumps304US 6,783,328 B2Terumo Cardiovascular Systems Corporation · 2004
- Methods and systems for pulsed delivery of fluids from a pump296US 6,604,908 B1DEKA Products Limited Partnership · 2003