F04B 43/12
Machines, pumps, or pumping installations having flexible working members: having peristaltic action
Official title: having peristaltic action
F04B43/12 (Machines, pumps, or pumping installations having flexible working members: having peristaltic action) appears on 1,686 US grants and 1,706 published applications in this corpus.
Search patents in F04B- Granted patents
- 1,686
- Published applications
- 1,706
- Assignees
- 816
- Inventors
- 2,970
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 16 | 0 |
| 1977 | 6 | 0 |
| 1978 | 6 | 0 |
| 1979 | 10 | 0 |
| 1980 | 22 | 0 |
| 1981 | 11 | 0 |
| 1982 | 5 | 0 |
| 1983 | 9 | 0 |
| 1984 | 14 | 0 |
| 1985 | 31 | 0 |
| 1986 | 21 | 0 |
| 1987 | 14 | 0 |
| 1988 | 11 | 0 |
| 1989 | 13 | 0 |
| 1990 | 15 | 0 |
| 1991 | 16 | 0 |
| 1992 | 20 | 0 |
| 1993 | 21 | 0 |
| 1994 | 20 | 0 |
| 1995 | 25 | 0 |
| 1996 | 31 | 0 |
| 1997 | 19 | 0 |
| 1998 | 22 | 0 |
| 1999 | 19 | 0 |
| 2000 | 29 | 0 |
| 2001 | 17 | 13 |
| 2002 | 16 | 26 |
| 2003 | 24 | 29 |
| 2004 | 16 | 45 |
| 2005 | 14 | 49 |
| 2006 | 27 | 52 |
| 2007 | 27 | 57 |
| 2008 | 23 | 64 |
| 2009 | 23 | 56 |
| 2010 | 32 | 60 |
| 2011 | 40 | 46 |
| 2012 | 56 | 90 |
| 2013 | 63 | 72 |
| 2014 | 45 | 92 |
| 2015 | 60 | 106 |
| 2016 | 59 | 80 |
| 2017 | 70 | 91 |
| 2018 | 77 | 93 |
| 2019 | 87 | 83 |
| 2020 | 93 | 98 |
| 2021 | 73 | 86 |
| 2022 | 65 | 72 |
| 2023 | 76 | 68 |
| 2024 | 64 | 80 |
| 2025 | 71 | 60 |
| 2026 | 42 | 38 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F04B 43/1253By using two or more rollers as squeezing elements, the rollers moving965
- F04B 43/14Having plate-like flexible members323
- F04B 43/1223The actuating elements133
- F04B 43/1238Using only one roller as the squeezing element, the roller moving on88
- F04B 43/123Using an excenter as the squeezing element61
- F04B 43/1215Having no backing plate35
- F04B 43/1207The actuating element being a swash plate24
Recent patents
- Reward dispenser for pet29 Sep 2026US 12,745,752 B2Joipaw 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
- Peristaltic metering pump and methods of operation1 Sep 2026US 12,721,325 B2EcoTech, LLC
- Peristaltic pump head with hybrid rollers and tubing manifold1 Sep 2026US 12,723,583 B1
- Modular multiplatform system for mrna drug production8 Oct 2026US 2026/0306407 A1BioNTech SE
- Pumping system and method for home healthcare devices8 Oct 2026US 2026/0306727 A1
- U-shaped e-cigarette peristaltic pump17 Sep 2026US 2026/0275980 A1Shenzhen Smoore Technology Limited
- Pumping mechanism, pump and method of operating a pump10 Sep 2026US 2026/0263687 A1Fresenius Vial SAS
- Peristaltic pump for vacuum generation27 Aug 2026US 2026/0251136 A1Empiriko Corporation
Most cited
By later US patents
- Electroactive polymer devices1,577US 6,545,384 B1SRI International · 2003
- Self-adjusting pump head and safety manifold cartridge for a peristaltic pump1,565US 5,447,417 AValleylab, Inc. · 1995
- Electroactive polymer electrodes1,515US 6,583,533 B2SRI International · 2003
- Hose pump for the exact dosing of small quantities of liquids1,512US 5,693,020 ALoctite Europa E.E.I.G. (E.W.I.V.) · 1997
- Microfabricated elastomeric valve and pump systems619US 6,408,878 B1California Institute of Technology · 2002