F04B 43/0009
Special features
Official title: {Special features}
F04B43/0009 (Special features) appears on 1,110 US grants and 1,083 published applications in this corpus.
Search patents in F04B- Granted patents
- 1,110
- Published applications
- 1,083
- Assignees
- 637
- Inventors
- 2,109
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 14 | 0 |
| 1977 | 11 | 0 |
| 1978 | 15 | 0 |
| 1979 | 4 | 0 |
| 1980 | 8 | 0 |
| 1981 | 10 | 0 |
| 1982 | 6 | 0 |
| 1983 | 5 | 0 |
| 1984 | 6 | 0 |
| 1985 | 4 | 0 |
| 1986 | 7 | 0 |
| 1987 | 12 | 0 |
| 1988 | 12 | 0 |
| 1989 | 8 | 0 |
| 1990 | 10 | 0 |
| 1991 | 13 | 0 |
| 1992 | 11 | 0 |
| 1993 | 13 | 0 |
| 1994 | 13 | 0 |
| 1995 | 6 | 0 |
| 1996 | 15 | 0 |
| 1997 | 12 | 0 |
| 1998 | 17 | 0 |
| 1999 | 11 | 0 |
| 2000 | 24 | 0 |
| 2001 | 22 | 7 |
| 2002 | 21 | 19 |
| 2003 | 20 | 15 |
| 2004 | 17 | 30 |
| 2005 | 20 | 35 |
| 2006 | 12 | 26 |
| 2007 | 9 | 32 |
| 2008 | 12 | 36 |
| 2009 | 13 | 27 |
| 2010 | 13 | 21 |
| 2011 | 22 | 33 |
| 2012 | 24 | 25 |
| 2013 | 23 | 42 |
| 2014 | 22 | 55 |
| 2015 | 32 | 58 |
| 2016 | 38 | 58 |
| 2017 | 31 | 60 |
| 2018 | 54 | 66 |
| 2019 | 65 | 63 |
| 2020 | 67 | 66 |
| 2021 | 54 | 75 |
| 2022 | 57 | 73 |
| 2023 | 63 | 56 |
| 2024 | 47 | 43 |
| 2025 | 48 | 33 |
| 2026 | 37 | 29 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F04B 43/0054Particularities of the flexible members673
- F04B 43/0081Systems, control, safety measures366
- F04B 43/0045With a number of independent working chambers which are actuated successively by68
- F04B 43/0027Without valves24
- F04B 43/0018The periphery of the flexible member being not fixed to the pump-casing22
- F04B 43/0036The flexible member being formed as an o-ring6
Recent patents
- Pumping device6 Oct 2026US 12,752,291 B2Tianzhou Medical (Suzhou) Co., Ltd
- Devices, systems, and methods for priming a fluid management system29 Sep 2026US 12,746,325 B2Boston Scientific Scimed, Inc.
- 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.
- Diaphragm pump drive for an electric pump1 Sep 2026US 12,723,581 B2Graco Minnesota Inc.
- Diaphragm pump8 Oct 2026US 2026/0309142 A1Ckd Corporation
- 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
- Peristaltic pump for vacuum generation27 Aug 2026US 2026/0251136 A1Empiriko Corporation
- Diaphragm for a diaphragm pump20 Aug 2026US 2026/0243243 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
- Nonpulsating IV pump and disposable pump chamber393US 4,236,880 AArchibald Development Labs, Inc. · 1980
- Electrostatically actuated mesopump having a plurality of elementary cells377US 5,836,750 AHoneywell Inc. · 1998
- Pump chamber having at least one spacer for inhibiting the pumping of a gas354US 6,382,923 B1DEKA Products Limited Partnership · 2002
- Disposable cassette with negative head height fluid supply and method344US 5,302,093 AMcGaw, Inc. · 1994