B04B 1/04
Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid
Official title: with inserted separating walls
B04B1/04 (Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid) appears on 359 US grants and 318 published applications in this corpus.
Search patents in B04B- Granted patents
- 359
- Published applications
- 318
- Assignees
- 131
- Inventors
- 529
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 9 | 0 |
| 1978 | 1 | 0 |
| 1979 | 4 | 0 |
| 1980 | 5 | 0 |
| 1981 | 5 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 6 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 7 | 0 |
| 1989 | 8 | 0 |
| 1990 | 10 | 0 |
| 1991 | 6 | 0 |
| 1992 | 5 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 6 | 0 |
| 1999 | 7 | 0 |
| 2000 | 8 | 0 |
| 2001 | 6 | 2 |
| 2002 | 8 | 7 |
| 2003 | 15 | 3 |
| 2004 | 5 | 7 |
| 2005 | 6 | 6 |
| 2006 | 5 | 8 |
| 2007 | 4 | 8 |
| 2008 | 7 | 7 |
| 2009 | 6 | 6 |
| 2010 | 5 | 3 |
| 2011 | 1 | 10 |
| 2012 | 5 | 6 |
| 2013 | 4 | 10 |
| 2014 | 7 | 9 |
| 2015 | 6 | 17 |
| 2016 | 10 | 11 |
| 2017 | 11 | 19 |
| 2018 | 15 | 26 |
| 2019 | 13 | 16 |
| 2020 | 11 | 16 |
| 2021 | 22 | 22 |
| 2022 | 8 | 29 |
| 2023 | 14 | 19 |
| 2024 | 14 | 17 |
| 2025 | 20 | 19 |
| 2026 | 10 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Separator insert and separator22 Sep 2026US 12,741,288 B2GEA Westfalia Separator Group GmbH
- Gas separation device system using waveform disks15 Sep 2026US 12,734,477 B2
- Centrifugal separator for separating a liquid mixture with positive displacement pumps respectively downstream of outlets30 Jun 2026US 12,667,849 B2Alfa Laval Corporate AB
- Disk array for use in a system and a method for separating fluids9 Jun 2026US 12,649,124 B2Qwtip LLC
- Bi-directional filter19 May 2026US 12,629,620 B2Combipro AS
- 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
- Multi-lateral wellbore systems and methods for forming same117US 5,868,210 ABaker Hughes Incorporated · 1999
- Centrifugal filter for removing soot from engine oil84US 6,517,475 B1Analytical Engineering, Inc. · 2003
- Nozzle inlet enhancement for a high speed turbine-driven centrifuge64US 6,019,717 AFleetguard, Inc. · 2000
- Self-driven, cone-stack type centrifuge56US 5,637,217 AFleetguard, Inc. · 1997
- Method and apparatus for well bore construction53US 5,762,149 ABaker Hughes Incorporated · 1998