B04B 11/02
Continuous feeding or discharging
Official title: Continuous feeding or discharging; Control arrangements therefor
B04B11/02 (Continuous feeding or discharging) appears on 411 US grants and 427 published applications in this corpus.
Search patents in B04B- Granted patents
- 411
- Published applications
- 427
- Assignees
- 194
- Inventors
- 693
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 6 | 0 |
| 1978 | 3 | 0 |
| 1979 | 4 | 0 |
| 1980 | 6 | 0 |
| 1981 | 5 | 0 |
| 1982 | 8 | 0 |
| 1983 | 4 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 5 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 4 | 5 |
| 2003 | 3 | 1 |
| 2004 | 7 | 5 |
| 2005 | 6 | 7 |
| 2006 | 5 | 7 |
| 2007 | 6 | 5 |
| 2008 | 3 | 6 |
| 2009 | 4 | 8 |
| 2010 | 5 | 13 |
| 2011 | 5 | 6 |
| 2012 | 5 | 10 |
| 2013 | 7 | 20 |
| 2014 | 9 | 21 |
| 2015 | 17 | 26 |
| 2016 | 18 | 19 |
| 2017 | 7 | 31 |
| 2018 | 20 | 27 |
| 2019 | 30 | 26 |
| 2020 | 24 | 27 |
| 2021 | 29 | 22 |
| 2022 | 22 | 41 |
| 2023 | 15 | 28 |
| 2024 | 25 | 28 |
| 2025 | 28 | 21 |
| 2026 | 16 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Separator insert and separator22 Sep 2026US 12,741,288 B2GEA Westfalia Separator Group GmbH
- Continuous flow centrifugation with controlled positive pressure cascade for avoiding cross-contamination25 Aug 2026US 12,715,008 B2Thermo Electron LED GmbH
- Centrifugal separator for separating a liquid mixture with positive displacement pumps respectively downstream of outlets30 Jun 2026US 12,667,849 B2Alfa Laval Corporate AB
- Separator insert, separator and method for exchanging a separator insert19 May 2026US 12,629,699 B2GEA Westfalia Separator Group GmbH
- Continuous bioprocessing centrifuge rotor19 May 2026US 12,629,700 B2Fiberlite Centrifuge, LLC
- A centrifugal separator1 Oct 2026US 2026/0295600 A1Alfa Laval Corporate AB
- Jig for cap replacement24 Sep 2026US 2026/0284676 A1FUJIFILM Corporation
- Systems and methods for fluid separation interface control using color-based optical measurements10 Sep 2026US 2026/0264094 A1Fenwal, Inc.
- A separation system for separating a liquid mixture3 Sep 2026US 2026/0257230 A1Alfa Laval Corporate AB
- Centrifugal separator, in particular sterilization separator, and method for sterilizing milk3 Sep 2026US 2026/0257231 A1GEA Westfalia Separator Group GmbH
Most cited
By later US patents
- Method and apparatus for controlling and monitoring continuous feed centrifuge98US 5,948,271 ABaker Hughes Incorporated · 1999
- Centrifuge processor and liquid level control system94US 4,846,780 AExxon Production Research Company · 1989
- Method and apparatus for controlling and monitoring continuous feed centrifuge62US 6,143,183 ABaker Hughes Incorporated · 2000
- Centrifugal separator62US 7,824,459 B2Alfa Laval Corporate AB · 2010
- Centrifugal elutriator rotor61US 4,350,283 ABeckman Instruments, Inc. · 1982