F04B 45/08
Pumps or pumping installations having flexible working members and specially adapted for
Official title: having peristaltic action
F04B45/08 (Pumps or pumping installations having flexible working members and specially adapted for) appears on 78 US grants and 87 published applications in this corpus.
Search patents in F04B- Granted patents
- 78
- Published applications
- 87
- Assignees
- 68
- Inventors
- 191
- Latest grant
- 2 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 2 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 1 |
| 2011 | 2 | 3 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 2 | 5 |
| 2015 | 3 | 8 |
| 2016 | 2 | 9 |
| 2017 | 5 | 11 |
| 2018 | 6 | 6 |
| 2019 | 13 | 10 |
| 2020 | 4 | 12 |
| 2021 | 9 | 4 |
| 2022 | 7 | 2 |
| 2023 | 7 | 5 |
| 2024 | 2 | 2 |
| 2025 | 5 | 2 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Pivotable pump head2 Dec 2025US 12,486,841 B2Blue-White Industries, Ltd.
- Diaphragm compressor with an oblong shaped chamber24 Jun 2025US 12,338,809 B2Nel Hydrogen A/S
- Fluid control device15 Apr 2025US 12,276,274 B2Murata Manufacturing Co., Ltd.
- Tube and pump using same25 Mar 2025US 12,257,808 B2Junkosha Inc.
- Peristaltic compressor18 Feb 2025US 12,228,124 B2The Board of Regents for the Oklahoma Agricultural and Mechanical Colleges
- Peristaltic pump for vacuum generation27 Aug 2026US 2026/0251136 A1Empiriko Corporation
- Pivotable pump head5 Mar 2026US 2026/0063124 A1Blue-White Industries, Ltd.
- Peristaltic pump27 Nov 2025US 2025/0361859 A1Bristol-Myers Squibb Company
- Fluid control20 Mar 2025US 2025/0091047 A1LumiraDx UK Ltd.
- Tube with embedded magnetic particles and associated pumping device20 Jun 2024US 2024/0200548 A1Trelleborg Sealing Solutions Germany GmbH
Most cited
By later US patents
- Inflation and deflation of a tire in rotation93US 4,922,984 ACompagnie Generale des Etablissements Michelin - Michelin & Cie · 1990
- Device for deflating a tire when rotating75US 5,052,456 ACompagnie Generale des Etablissements Michelin - Michelin & Cie · 1991
- Single roller blood pump and pump/oxygenator system using same38US 5,342,181 ADatascope Investment Corp. · 1994
- Fluid control device and pump35US 10,480,502 B2Murata Manufacturing Co., Ltd. · 2019
- Device for generating a medium stream28US 7,889,877 B2NXP B. V. · 2011