B04B 3/02
Discharging solid particles from the bowl by means coaxial with the bowl
Official title: discharging solid particles from the bowl by means coaxial with the bowl axis and moving to and fro, i.e. push-type centrifuges
B04B3/02 (Discharging solid particles from the bowl by means coaxial with the bowl) appears on 69 US grants and 19 published applications in this corpus.
Search patents in B04B- Granted patents
- 69
- Published applications
- 19
- Assignees
- 29
- Inventors
- 84
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 5 | 0 |
| 1995 | 5 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 2 |
| 2003 | 2 | 0 |
| 2004 | 0 | 5 |
| 2005 | 0 | 0 |
| 2006 | 3 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 2 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 1 | 1 |
| 2021 | 0 | 2 |
| 2022 | 0 | 2 |
| 2023 | 2 | 0 |
| 2024 | 1 | 0 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Continuous centrifugal dewatering device12 May 2026US 12,623,234 B2LG Chem.Ltd.
- Pressurizing centrifugal dehydrator2 Apr 2024US 11,944,987 B2LG Chem.Ltd.
- Pressurizing centrifugal dehydrator5 Dec 2023US 11,833,458 B2LG Chem.Ltd.
- Pusher centrifuge with direct drive transmission28 Feb 2023US 11,590,515 B2ANDRITZ KMPT GmbH
- Centrifuge with a feed device comprising a feed direction control and method of loading a centrifuge with a feed device comprising a feed direction control5 May 2020US 10,639,647 B2Ferrum AG
- Apparatus and method for manufacturing base layer slurry11 Sep 2025US 2025/0281936 A1Hyundai Motor Company
- Continuous centrifugal dewatering device8 Dec 2022US 2022/0388014 A1LG Chem.Ltd.
- Pressurizing centrifugal dehydrator20 Jan 2022US 2022/0016646 A1LG Chem.Ltd.
- Pressurizing centrifugal dehydrator14 Oct 2021US 2021/0316235 A1LG Chem.Ltd.
- Pusher Centrifuge7 Jan 2021US 2021/0001353 A1ANDRITZ KMPT GmbH
Most cited
By later US patents
- Invertible filter centrifuge including a solids drier59US 6,159,360 AHeinkel Industriezentrifugen GmbH & Co. · 2000
- Labyrinth seal42US 5,085,443 AAmoco Corporation · 1992
- Centrifuge having an inner, invertible, funnel-like container36US 4,000,074 AThe United States of America as represented by the Secretary of the Army · 1976
- Centrifuge with partial wear resistant basket33US 6,267,250 B1Baker Hughes Incorporated · 2001
- Feed accelerator system including accelerator cone25US 5,380,266 ABaker Hughes Incorporated · 1995