B04B 15/08
Centrifuges: other accessories for centrifuges: for ventilating or producing a vacuum in
Official title: for ventilating or producing a vacuum in the centrifuge
B04B15/08 (Centrifuges: other accessories for centrifuges: for ventilating or producing a vacuum in) appears on 89 US grants and 60 published applications in this corpus.
Search patents in B04B- Granted patents
- 89
- Published applications
- 60
- Assignees
- 59
- Inventors
- 183
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 4 |
| 2003 | 2 | 2 |
| 2004 | 4 | 0 |
| 2005 | 1 | 2 |
| 2006 | 2 | 2 |
| 2007 | 2 | 0 |
| 2008 | 0 | 2 |
| 2009 | 2 | 3 |
| 2010 | 0 | 1 |
| 2011 | 3 | 3 |
| 2012 | 2 | 3 |
| 2013 | 3 | 3 |
| 2014 | 2 | 4 |
| 2015 | 2 | 5 |
| 2016 | 2 | 4 |
| 2017 | 1 | 2 |
| 2018 | 5 | 1 |
| 2019 | 5 | 3 |
| 2020 | 2 | 3 |
| 2021 | 3 | 2 |
| 2022 | 2 | 4 |
| 2023 | 2 | 1 |
| 2024 | 1 | 4 |
| 2025 | 4 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Continuous centrifugal dewatering device12 May 2026US 12,623,234 B2LG Chem.Ltd.
- Magnetically suspended and rotated separator27 May 2025US 12,311,388 B2GEA Mechanical Equipment GmbH
- Separator for separating a flowable suspension into two flowable phases of different density20 May 2025US 12,303,918 B2GEA Mechanical Equipment GmbH
- Method for determining if air is trapped within a centrifugal separator22 Apr 2025US 12,280,381 B2Alfa Laval Corporate AB
- Continuous centrifuge and air discharge method for continuous centrifuge14 Jan 2025US 12,194,477 B2Eppendorf Himac Technologies Co., Ltd.
- Hypergravity centrifuge device and temperature control method therefor12 Mar 2026US 2026/0070070 A1The Architectural Design & Research Institute of Zhejiang University Co., Ltd.
- Centrifuge With An Air Flow System29 May 2025US 2025/0170592 A1
- Automated extraction of a substance from a tube31 Oct 2024US 2024/0359192 A1Jaguar Gene Therapy, LLC
- Vacuum centrifuge and method8 Aug 2024US 2024/0261802 A1Andreas Hettich GmbH & Co. KG
- A method of operating a centrifugal separator1 Aug 2024US 2024/0253059 A1Alfa Laval Corporate AB
Most cited
By later US patents
- Centrifuge unit64US 4,244,513 ACoulter Corporation · 1981
- Degassing of liquids37US 4,030,897 ASaint-Gobain Industries · 1977
- Method for the separation of blood plasma particles from a blood plasma suspension37US 7,081,082 B2Bayer Aktiengesellschaft · 2006
- Centrifugal vacuum concentrator and modular structured rotor assembly for use therein36US 6,461,287 B1Thermo Savant, Inc. · 2002
- Method and apparatus for determining temperature of and controlling the evaporation of liquid samples31US 6,605,474 B1Genevac Limited · 2003