B04B 1/00
Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid
Official title: Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles
B04B1/00 (Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid) appears on 1,221 US grants and 789 published applications in this corpus.
Search patents in B04B- Granted patents
- 1,221
- Published applications
- 789
- Assignees
- 435
- Inventors
- 1,530
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 30 | 0 |
| 1977 | 26 | 0 |
| 1978 | 20 | 0 |
| 1979 | 16 | 0 |
| 1980 | 16 | 0 |
| 1981 | 21 | 0 |
| 1982 | 22 | 0 |
| 1983 | 22 | 0 |
| 1984 | 18 | 0 |
| 1985 | 23 | 0 |
| 1986 | 16 | 0 |
| 1987 | 23 | 0 |
| 1988 | 24 | 0 |
| 1989 | 23 | 0 |
| 1990 | 22 | 0 |
| 1991 | 14 | 0 |
| 1992 | 15 | 0 |
| 1993 | 25 | 0 |
| 1994 | 22 | 0 |
| 1995 | 17 | 0 |
| 1996 | 23 | 0 |
| 1997 | 25 | 0 |
| 1998 | 33 | 0 |
| 1999 | 30 | 0 |
| 2000 | 27 | 0 |
| 2001 | 24 | 3 |
| 2002 | 18 | 14 |
| 2003 | 29 | 15 |
| 2004 | 22 | 32 |
| 2005 | 15 | 28 |
| 2006 | 29 | 25 |
| 2007 | 15 | 14 |
| 2008 | 19 | 21 |
| 2009 | 16 | 23 |
| 2010 | 13 | 22 |
| 2011 | 17 | 29 |
| 2012 | 16 | 28 |
| 2013 | 24 | 32 |
| 2014 | 29 | 32 |
| 2015 | 27 | 49 |
| 2016 | 31 | 38 |
| 2017 | 22 | 38 |
| 2018 | 43 | 47 |
| 2019 | 35 | 36 |
| 2020 | 32 | 48 |
| 2021 | 46 | 45 |
| 2022 | 33 | 50 |
| 2023 | 28 | 38 |
| 2024 | 31 | 35 |
| 2025 | 35 | 28 |
| 2026 | 19 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B04B 1/20Discharging solid particles from the bowl by a conveying screw coaxial with436
- B04B 1/04Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid359
- B04B 1/10Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid269
- B04B 1/02Without inserted separating walls143
Recent patents
- Separator insert and separator22 Sep 2026US 12,741,288 B2GEA Westfalia Separator Group GmbH
- Transverse disc of a centrifuge screw, and solid-bowl screw centrifuge22 Sep 2026US 12,741,289 B2Flottweg SE
- Gas separation device system using waveform disks15 Sep 2026US 12,734,477 B2
- Dewatering method and system18 Aug 2026US 12,709,562 B2Weir Minerals Australia Ltd.
- Centrifugal separators and separation methods providing intermediate material ejection control28 Jul 2026US 12,691,457 B2Empirical Innovations, Inc.
- A method of operating a centrifugal separator1 Oct 2026US 2026/0295599 A1Alfa Laval Corporate AB
- A centrifugal separator1 Oct 2026US 2026/0295600 A1Alfa Laval Corporate AB
- Centrifugal separator having an improved flow and system comprising such a centrifugal separator24 Sep 2026US 2026/0284674 A1FLSmidth A/S
- Centrifugal separator, in particular sterilization separator, and method for sterilizing milk3 Sep 2026US 2026/0257231 A1GEA Westfalia Separator Group GmbH
- Method for cleaning a separator3 Sep 2026US 2026/0257232 A1GEA Westfalia Separator Group GmbH
Most cited
By later US patents
- Combination disposable plastic blood receiving container and blood component centrifuge207US 5,217,426 ABaxter International Inc. · 1993
- Cell separation system with variable size chamber for the processing of biological fluids156US 6,123,655 A2000
- Blood component centrifuge having collapsible inner liner152US 4,934,995 ABaxter International Inc. · 1990
- Multi-lateral wellbore systems and methods for forming same117US 5,868,210 ABaker Hughes Incorporated · 1999
- Apparatus and method for centrifugally separating blood and then forming a fibrin monomer116US 6,027,655 ABristol-Myers Squibb Company · 2000