B04B 5/0442
With means for adding or withdrawing liquid substances during the centrifugation
Official title: {with means for adding or withdrawing liquid substances during the centrifugation, e.g. continuous centrifugation}
B04B5/0442 (With means for adding or withdrawing liquid substances during the centrifugation) appears on 823 US grants and 590 published applications in this corpus.
Search patents in B04B- Granted patents
- 823
- Published applications
- 590
- Assignees
- 239
- Inventors
- 854
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 8 | 0 |
| 1978 | 19 | 0 |
| 1979 | 6 | 0 |
| 1980 | 11 | 0 |
| 1981 | 16 | 0 |
| 1982 | 11 | 0 |
| 1983 | 15 | 0 |
| 1984 | 11 | 0 |
| 1985 | 7 | 0 |
| 1986 | 1 | 0 |
| 1987 | 14 | 0 |
| 1988 | 7 | 0 |
| 1989 | 9 | 0 |
| 1990 | 14 | 0 |
| 1991 | 5 | 0 |
| 1992 | 5 | 0 |
| 1993 | 5 | 0 |
| 1994 | 10 | 0 |
| 1995 | 8 | 0 |
| 1996 | 15 | 0 |
| 1997 | 22 | 0 |
| 1998 | 38 | 0 |
| 1999 | 36 | 0 |
| 2000 | 22 | 0 |
| 2001 | 27 | 7 |
| 2002 | 18 | 31 |
| 2003 | 22 | 23 |
| 2004 | 22 | 22 |
| 2005 | 11 | 19 |
| 2006 | 20 | 27 |
| 2007 | 15 | 16 |
| 2008 | 13 | 18 |
| 2009 | 10 | 16 |
| 2010 | 17 | 20 |
| 2011 | 19 | 22 |
| 2012 | 12 | 14 |
| 2013 | 18 | 19 |
| 2014 | 11 | 30 |
| 2015 | 17 | 23 |
| 2016 | 17 | 14 |
| 2017 | 21 | 24 |
| 2018 | 19 | 25 |
| 2019 | 16 | 33 |
| 2020 | 34 | 40 |
| 2021 | 22 | 22 |
| 2022 | 26 | 30 |
| 2023 | 22 | 33 |
| 2024 | 27 | 30 |
| 2025 | 29 | 21 |
| 2026 | 15 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B04B 2005/045Having annular separation channelsIndexing code243
- B04B 2005/0464With hollow or massive core in centrifuge bowlIndexing code133
- B04B 2005/0492With fluid conveying umbilicus between stationary and rotary centrifuge partsIndexing code85
- B04B 2005/0471With additional elutriation separation of different particlesIndexing code82
- B04B 2005/0485With a displaceable piston in the centrifuge chamberIndexing code79
- B04B 2005/0478With filters in the separation chamberIndexing code54
- B04B 2005/0457Having three-dimensional spirally wound separation channelsIndexing code14
Recent patents
- System and method for creating cell processing protocols15 Sep 2026US 12,734,284 B2Haemonetics Corporation
- Centrifugal separators and skid for separating biocomponents and methods of use15 Sep 2026US 12,734,530 B2Life Technologies Corporation
- Interface detection and control using a photodetector array1 Sep 2026US 12,722,163 B2Fenwal, Inc.
- Integrated autotransfusion bowl and fluid line organizer4 Aug 2026US 12,697,421 B2Sorin Group Italia S.r.l.
- PBMC separation systems and methods of use23 Jun 2026US 12,661,650 B2Aridica Corporation
- Pbmc separation systems and methods of use10 Sep 2026US 2026/0264081 A1Aridica Corporation
- Systems and methods for fluid separation interface control using color-based optical measurements10 Sep 2026US 2026/0264094 A1Fenwal, Inc.
- 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
- Bioreactor Systems and Methods of Operating Same25 Jun 2026US 2026/0176561 A1National Resilience, Inc.
Most cited
By later US patents
- Plasma concentrate and tissue sealant methods and apparatuses for making concentrated plasma and/or tissue sealant316US 5,585,007 APlasmaseal LLC · 1996
- Plasmapheresis apparatus284US 4,086,924 AHaemonetics Corporation · 1978
- Apheresis apparatus and method245US 5,494,592 AHaemonetics Corporation · 1996
- Pheresis apparatus223US 4,464,167 AHaemonetics Corporation · 1984
- Enhanced yield platelet collection systems and methods216US 5,370,802 ABaxter International Inc. · 1994