F04B 43/0054
Particularities of the flexible members
Official title: {particularities of the flexible members}
F04B43/0054 (Particularities of the flexible members) appears on 673 US grants and 644 published applications in this corpus.
Search patents in F04B- Granted patents
- 673
- Published applications
- 644
- Assignees
- 426
- Inventors
- 1,348
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 7 | 0 |
| 1978 | 12 | 0 |
| 1979 | 2 | 0 |
| 1980 | 6 | 0 |
| 1981 | 9 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 5 | 0 |
| 1987 | 10 | 0 |
| 1988 | 4 | 0 |
| 1989 | 5 | 0 |
| 1990 | 7 | 0 |
| 1991 | 7 | 0 |
| 1992 | 7 | 0 |
| 1993 | 10 | 0 |
| 1994 | 10 | 0 |
| 1995 | 6 | 0 |
| 1996 | 9 | 0 |
| 1997 | 7 | 0 |
| 1998 | 12 | 0 |
| 1999 | 7 | 0 |
| 2000 | 16 | 0 |
| 2001 | 13 | 5 |
| 2002 | 11 | 10 |
| 2003 | 8 | 11 |
| 2004 | 9 | 20 |
| 2005 | 17 | 19 |
| 2006 | 7 | 14 |
| 2007 | 4 | 18 |
| 2008 | 8 | 23 |
| 2009 | 6 | 15 |
| 2010 | 6 | 12 |
| 2011 | 13 | 21 |
| 2012 | 15 | 14 |
| 2013 | 15 | 25 |
| 2014 | 12 | 34 |
| 2015 | 23 | 38 |
| 2016 | 27 | 42 |
| 2017 | 20 | 41 |
| 2018 | 29 | 39 |
| 2019 | 38 | 32 |
| 2020 | 38 | 33 |
| 2021 | 31 | 33 |
| 2022 | 35 | 47 |
| 2023 | 35 | 38 |
| 2024 | 20 | 20 |
| 2025 | 35 | 18 |
| 2026 | 20 | 22 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Devices, systems, and methods for priming a fluid management system29 Sep 2026US 12,746,325 B2Boston Scientific Scimed, Inc.
- 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.
- Peristaltic pump head with hybrid rollers and tubing manifold1 Sep 2026US 12,723,583 B1
- Diaphragm pump, liquid discharge head, and liquid discharge apparatus25 Aug 2026US 12,716,409 B2Canon Kabushiki Kaisha
- 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
- 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
- Disposable cassette with negative head height fluid supply and method344US 5,302,093 AMcGaw, Inc. · 1994
- Medical infusion system313US 4,273,121 AAndros Incorporated · 1981
- IV Pump with empty supply reservoir and occlusion detector290US 4,277,226 AAVI, Inc. · 1981