B04B 5/02
Centrifuges consisting of a plurality of separate bowls rotating round an axis
Official title: Centrifuges consisting of a plurality of separate bowls rotating round an axis situated between the bowls
B04B5/02 (Centrifuges consisting of a plurality of separate bowls rotating round an axis) appears on 83 US grants and 71 published applications in this corpus.
Search patents in B04B- Granted patents
- 83
- Published applications
- 71
- Assignees
- 61
- Inventors
- 170
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 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 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 1 | 1 |
| 2008 | 2 | 3 |
| 2009 | 0 | 0 |
| 2010 | 1 | 3 |
| 2011 | 0 | 1 |
| 2012 | 0 | 4 |
| 2013 | 1 | 2 |
| 2014 | 1 | 3 |
| 2015 | 5 | 5 |
| 2016 | 1 | 1 |
| 2017 | 2 | 5 |
| 2018 | 2 | 6 |
| 2019 | 3 | 5 |
| 2020 | 5 | 5 |
| 2021 | 4 | 3 |
| 2022 | 2 | 5 |
| 2023 | 5 | 5 |
| 2024 | 6 | 6 |
| 2025 | 5 | 2 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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Most cited
By later US patents
- Assembly for rapid measurement of cell layers94US 5,889,584 A1999
- Centrifuge apparatus62US 4,082,217 ASeparex · 1978
- Centrifugal fluid processing device48US 4,296,882 ATerumo Kabushiki Kaisha · 1981
- Automated centrifuge45US 5,045,047 AZymark Corporation · 1991
- Coaxial-drive centrifuge providing tilt control relative to centrifugal force42US 6,361,486 B1Agilent Technologies, Inc. · 2002