B04B 5/12
Centrifuges in which rotors other than bowls generate centrifugal effects in stationary
Official title: Centrifuges in which rotors other than bowls generate centrifugal effects in stationary containers
B04B5/12 (Centrifuges in which rotors other than bowls generate centrifugal effects in stationary) appears on 209 US grants and 208 published applications in this corpus.
Search patents in B04B- Granted patents
- 209
- Published applications
- 208
- Assignees
- 85
- Inventors
- 303
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 5 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 5 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 4 |
| 2004 | 4 | 11 |
| 2005 | 3 | 4 |
| 2006 | 8 | 5 |
| 2007 | 5 | 5 |
| 2008 | 4 | 3 |
| 2009 | 2 | 6 |
| 2010 | 7 | 3 |
| 2011 | 5 | 6 |
| 2012 | 3 | 15 |
| 2013 | 2 | 5 |
| 2014 | 12 | 8 |
| 2015 | 9 | 9 |
| 2016 | 8 | 9 |
| 2017 | 8 | 16 |
| 2018 | 9 | 18 |
| 2019 | 13 | 11 |
| 2020 | 11 | 13 |
| 2021 | 17 | 5 |
| 2022 | 9 | 14 |
| 2023 | 4 | 9 |
| 2024 | 6 | 13 |
| 2025 | 12 | 9 |
| 2026 | 6 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Gas separation device system using waveform disks15 Sep 2026US 12,734,477 B2
- Disk array for use in a system and a method for separating fluids9 Jun 2026US 12,649,124 B2Qwtip LLC
- Modular centrifugal separator for cleaning gas7 Apr 2026US 12,594,561 B2Alfdex AB
- Engine crankcase ventilation system24 Mar 2026US 12,584,429 B2Grimaldi Development AB
- Centrifugal separator for cleaning gas10 Feb 2026US 12,544,772 B2Alfdex AB
- A method for controlling an electric motor of a centrifugal separator1 Oct 2026US 2026/0295601 A1Alfdex AB
- Centrifugal separator20 Aug 2026US 2026/0241393 A1Alfa Laval Corporate AB
- Device for separating gas from a mixed gas flow6 Aug 2026US 2026/0225014 A1
- A centrifugal separator for cleaning gas9 Jul 2026US 2026/0192225 A1Alfdex AB
- Method and system for purifying contaminated oil25 Jun 2026US 2026/0175141 A1
Most cited
By later US patents
- Multi-lateral wellbore systems and methods for forming same117US 5,868,210 ABaker Hughes Incorporated · 1999
- Method of blending materials78US 4,850,702 AGEO Condor, Inc. · 1989
- Process for centrifugal separation and apparatus for carrying it out, applicable to a mixture of phases of any states73US 4,361,490 A1982
- Submersible well pump gas separator71US 5,207,810 ABaker Hughes Incorporated · 1993
- Centrifugal separator62US 7,824,459 B2Alfa Laval Corporate AB · 2010