F04B 43/082
The tubular flexible member being pressed against a wall by a number
Official title: {the tubular flexible member being pressed against a wall by a number of elements, each having an alternating movement in a direction perpendicular to the axes of the tubular member and each having its own driving mechanism}
F04B43/082 (The tubular flexible member being pressed against a wall by a number) appears on 341 US grants and 266 published applications in this corpus.
Search patents in F04B- Granted patents
- 341
- Published applications
- 266
- Assignees
- 137
- Inventors
- 482
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 5 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 7 | 0 |
| 1991 | 8 | 0 |
| 1992 | 12 | 0 |
| 1993 | 6 | 0 |
| 1994 | 12 | 0 |
| 1995 | 4 | 0 |
| 1996 | 15 | 0 |
| 1997 | 4 | 0 |
| 1998 | 9 | 0 |
| 1999 | 9 | 0 |
| 2000 | 9 | 0 |
| 2001 | 11 | 2 |
| 2002 | 7 | 4 |
| 2003 | 1 | 4 |
| 2004 | 1 | 5 |
| 2005 | 1 | 5 |
| 2006 | 4 | 4 |
| 2007 | 3 | 12 |
| 2008 | 3 | 13 |
| 2009 | 3 | 12 |
| 2010 | 7 | 17 |
| 2011 | 7 | 10 |
| 2012 | 16 | 17 |
| 2013 | 15 | 23 |
| 2014 | 13 | 19 |
| 2015 | 16 | 18 |
| 2016 | 15 | 10 |
| 2017 | 12 | 16 |
| 2018 | 11 | 11 |
| 2019 | 11 | 11 |
| 2020 | 15 | 5 |
| 2021 | 5 | 10 |
| 2022 | 9 | 11 |
| 2023 | 8 | 5 |
| 2024 | 6 | 6 |
| 2025 | 5 | 10 |
| 2026 | 5 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fluid delivery apparatus26 May 2026US 12,638,014 B2Fas Medic S.A.
- Silent pumping mechanism for infusion pump7 Apr 2026US 12,594,375 B2CareFusion 303, Inc.
- Facilitating fluid or slurry movement in a peristaltic pump7 Apr 2026US 12,595,789 B2Sepro Mineral Systems Corp.
- Occlusion force reduction through multi- directional tolerance control13 Jan 2026US 12,521,485 B2Baxter Healthcare S. A.
- Piezoelectric displacement unit for a medical hose pump and medical hose pump13 Jan 2026US 12,523,215 B2B. Braun Melsungen AG
- Facilitating control of fluid or slurry movement in a collapsible tube9 Jul 2026US 2026/0194054 A1Sepro Mineral Systems Corp.
- Pumping segment recovery mechanism18 Jun 2026US 2026/0166218 A1CareFusion 303, Inc.
- Apparatus for infusing fluid11 Jun 2026US 2026/0158215 A1DEKA Products Limited Partnership
- Apparatus for monitoring, regulating, or controlling fluid flow16 Apr 2026US 2026/0102555 A1DEKA Products Limited Partnership
- Occlusion force reduction through multi-directional tolerance control9 Apr 2026US 2026/0097166 A1Baxter Healthcare S. A.
Most cited
By later US patents
- Drug pump systems and methods1,088US 5,935,099 ASIMS Deltec, Inc. · 1999
- Pump simulation apparatus1,024US 5,485,408 ASIMS Deltec, Inc. · 1996
- Systems and methods for communicating with ambulatory medical devices such as drug delivery devices851US 5,338,157 APharmacia Deltec, Inc. · 1994
- Ambulatory infusion pump679US 5,482,446 ABaxter International Inc. · 1996
- Drug pump systems and methods658US 6,241,704 B1SIMS Deltec, Inc. · 2001