F04B 43/123
Using an excenter as the squeezing element
Official title: {using an excenter as the squeezing element}
F04B43/123 (Using an excenter as the squeezing element) appears on 61 US grants and 55 published applications in this corpus.
Search patents in F04B- Granted patents
- 61
- Published applications
- 55
- Assignees
- 35
- Inventors
- 115
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 5 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 3 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 3 |
| 2011 | 0 | 0 |
| 2012 | 1 | 6 |
| 2013 | 4 | 3 |
| 2014 | 1 | 2 |
| 2015 | 3 | 3 |
| 2016 | 4 | 6 |
| 2017 | 3 | 2 |
| 2018 | 2 | 4 |
| 2019 | 4 | 1 |
| 2020 | 2 | 4 |
| 2021 | 2 | 3 |
| 2022 | 5 | 5 |
| 2023 | 0 | 1 |
| 2024 | 3 | 2 |
| 2025 | 2 | 1 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Multi-reagent peristaltic pump dispensing8 Sep 2026US 12,729,674 B2Hach Company
- Water-pumping device and hairdressing device27 Jan 2026US 12,535,064 B2Shenzhen Yangwo Electronic Co., Ltd.
- Peristaltic pump with constant biasing force25 Nov 2025US 12,478,728 B2CareFusion 303, Inc.
- Conveyor device having an elestically deformable element with a counter surface extending over three arc sections18 Mar 2025US 12,253,070 B2Watson-Marlow Limited
- Peristaltic pumping segment with check valve15 Oct 2024US 12,115,340 B2CareFusion 303, Inc.
- Multi-reagent peristaltic pump dispensing11 Jun 2026US 2026/0160240 A1Hach Company
- Peristaltic pumping segment with check valve9 Jan 2025US 2025/0009963 A1CareFusion 303, Inc.
- Device for a linear peristaltic pump, rotor and linear peristaltic pump10 Oct 2024US 2024/0337257 A1
- Peristaltic pumps29 Feb 2024US 2024/0068463 A1Hodges & Drake Design Limited
- Water-pumping device and hairdressing device16 Mar 2023US 2023/0078299 A1Shenzhen Yangwo Electronic Co., Ltd.
Most cited
By later US patents
- Detecting occlusion of proximal or distal lines of an IV pump234US 5,116,203 AAbbott Laboratories · 1992
- Volumetric pump with spring-biased cracking valves125US 5,055,001 AAbbott Laboratories · 1991
- Volumetric pump with spring-biased cracking valves76US 5,158,437 AAbbott Laboratories · 1992
- Volumetric pump tube reshaper and method73US 5,322,422 AAbbott Laboratories · 1994
- Segmented peristaltic pump chamber68US 4,559,040 APancretec, Inc. · 1985