B04B 9/10
Control of the drive
Official title: Control of the drive; Speed regulating {(for solid bowl screw centrifuges B04B1/2016)}
B04B9/10 (Control of the drive) appears on 132 US grants and 127 published applications in this corpus.
Search patents in B04B- Granted patents
- 132
- Published applications
- 127
- Assignees
- 95
- Inventors
- 269
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 2 |
| 2002 | 4 | 5 |
| 2003 | 4 | 2 |
| 2004 | 5 | 2 |
| 2005 | 3 | 2 |
| 2006 | 2 | 2 |
| 2007 | 1 | 3 |
| 2008 | 3 | 2 |
| 2009 | 1 | 4 |
| 2010 | 2 | 1 |
| 2011 | 0 | 3 |
| 2012 | 4 | 3 |
| 2013 | 1 | 4 |
| 2014 | 2 | 9 |
| 2015 | 2 | 9 |
| 2016 | 10 | 6 |
| 2017 | 1 | 6 |
| 2018 | 6 | 5 |
| 2019 | 7 | 8 |
| 2020 | 10 | 10 |
| 2021 | 6 | 2 |
| 2022 | 7 | 8 |
| 2023 | 2 | 6 |
| 2024 | 8 | 5 |
| 2025 | 7 | 7 |
| 2026 | 2 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Continuous bioprocessing centrifuge rotor19 May 2026US 12,629,700 B2Fiberlite Centrifuge, LLC
- Automated centrifuge loader13 Jan 2026US 12,523,674 B2Babson Diagnostics, Inc.
- Centrifugal field flow fractionation device25 Nov 2025US 12,478,984 B2Shimadzu Corporation
- Crankcase ventilation systems including integrated sensors and controller4 Nov 2025US 12,460,564 B2Cummins Filtration Inc.
- Method for coating products30 Sep 2025US 12,427,539 B2Papacks Sales GmbH
- A method for controlling an electric motor of a centrifugal separator1 Oct 2026US 2026/0295601 A1Alfdex AB
- Material separation disc and material separation device comprising the same27 Aug 2026US 2026/0249310 A1Ctcells, Inc.
- Continuous bioprocessing centrifuge rotor6 Aug 2026US 2026/0225113 A1
- Active biological sample processing and thermal management devices7 May 2026US 2026/0123624 A1Laboratory Corporation of America Holdings
- Centrifugal separation system, rotating body, and centrifugal separator16 Apr 2026US 2026/0102778 A1Terumo Kabushiki Kaisha
Most cited
By later US patents
- Method and apparatus for overspeed protection for high speed centrifuges84US 4,827,197 ABeckman Instruments, Inc. · 1989
- Centrifuge unit64US 4,244,513 ACoulter Corporation · 1981
- Centrifuge56US 7,548,034 B2Hitachi Koki Co., Ltd. · 2009
- System and method for automated separation of blood components54US 6,790,371 B2Medtronic, Inc. · 2004
- Method and a device for cleaning of crankcase gas52US 7,152,589 B2Alfa Laval Corporate AB · 2006