B04B 15/12
Centrifuges: other accessories for centrifuges: for drying or washing the separated solid
Official title: for drying or washing the separated solid particles
B04B15/12 (Centrifuges: other accessories for centrifuges: for drying or washing the separated solid) appears on 72 US grants and 51 published applications in this corpus.
Search patents in B04B- Granted patents
- 72
- Published applications
- 51
- Assignees
- 56
- Inventors
- 145
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 1 |
| 2003 | 2 | 2 |
| 2004 | 2 | 4 |
| 2005 | 2 | 1 |
| 2006 | 3 | 3 |
| 2007 | 2 | 1 |
| 2008 | 2 | 2 |
| 2009 | 0 | 3 |
| 2010 | 0 | 2 |
| 2011 | 2 | 4 |
| 2012 | 2 | 1 |
| 2013 | 2 | 2 |
| 2014 | 4 | 0 |
| 2015 | 0 | 2 |
| 2016 | 0 | 1 |
| 2017 | 2 | 2 |
| 2018 | 2 | 3 |
| 2019 | 1 | 1 |
| 2020 | 2 | 4 |
| 2021 | 1 | 2 |
| 2022 | 0 | 3 |
| 2023 | 4 | 1 |
| 2024 | 3 | 4 |
| 2025 | 1 | 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.
- Centrifuge that adjusts the amount of supernatant liquid that is discharged11 Feb 2025US 12,220,712 B2Eppendorf Himac Technologies Co., Ltd.
- Cell washing chamber for blood processing centrifuge23 Apr 2024US 11,964,286 B2Terumo BCT, Inc.
- Bowl for a Batch Centrifugal Concentrator2 Apr 2024US 11,944,985 B2Gekko Systems Pty Ltd
- Pressurizing centrifugal dehydrator2 Apr 2024US 11,944,987 B2LG Chem.Ltd.
- Method for preparing a purified cyclic compound composition16 Apr 2026US 2026/0103472 A1Sulzer Management AG
- Centrifuge for continuously monitoring and measuring the color of a massecuite over the entire height of the centrifuge basket20 Nov 2025US 2025/0353023 A1Iteca Socadei
- Cell centrifugation apparatus and cell centrifugation, washing and culture method7 Nov 2024US 2024/0368519 A1Shenzhen Cellbri Bio-Innovation Technology Co., Ltd.
- Methods and systems for classification and recovery1 Aug 2024US 2024/0253060 A1Somerset International Finance Designated Activity Company
- Novel process and equipment for solvent fractionation27 Jun 2024US 2024/0209280 A1Desmet Belgium
Most cited
By later US patents
- Invertible filter centrifuge including a solids drier59US 6,159,360 AHeinkel Industriezentrifugen GmbH & Co. · 2000
- Method and apparatus for controlling the washing step in a blood centrifugation cell48US 6,716,151 B2Dideco S.p.A. · 2004
- Method and apparatus for dewatering of sludges31US 5,426,866 ALucia Baumann-Schilp · 1995
- Solids liquid separating centrifuge with solids classification29US 4,190,194 ABird Machine Company, Inc. · 1980
- Method for controlling the washing step in a blood centrifugation cell29US 7,001,323 B2Dideco S.p.A. · 2006