B04B 5/00
Centrifuges: other centrifuges
Official title: Other centrifuges
B04B5/00 (Centrifuges: other centrifuges) appears on 2,248 US grants and 1,733 published applications in this corpus.
Search patents in B04B- Granted patents
- 2,248
- Published applications
- 1,733
- Assignees
- 821
- Inventors
- 3,096
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 37 | 0 |
| 1977 | 36 | 0 |
| 1978 | 45 | 0 |
| 1979 | 31 | 0 |
| 1980 | 46 | 0 |
| 1981 | 51 | 0 |
| 1982 | 39 | 0 |
| 1983 | 42 | 0 |
| 1984 | 44 | 0 |
| 1985 | 25 | 0 |
| 1986 | 23 | 0 |
| 1987 | 35 | 0 |
| 1988 | 27 | 0 |
| 1989 | 35 | 0 |
| 1990 | 28 | 0 |
| 1991 | 17 | 0 |
| 1992 | 18 | 0 |
| 1993 | 21 | 0 |
| 1994 | 24 | 0 |
| 1995 | 20 | 0 |
| 1996 | 39 | 0 |
| 1997 | 42 | 0 |
| 1998 | 61 | 0 |
| 1999 | 52 | 0 |
| 2000 | 49 | 0 |
| 2001 | 53 | 12 |
| 2002 | 40 | 60 |
| 2003 | 50 | 59 |
| 2004 | 55 | 62 |
| 2005 | 37 | 48 |
| 2006 | 48 | 61 |
| 2007 | 40 | 40 |
| 2008 | 31 | 58 |
| 2009 | 26 | 39 |
| 2010 | 42 | 53 |
| 2011 | 46 | 66 |
| 2012 | 49 | 58 |
| 2013 | 35 | 53 |
| 2014 | 36 | 75 |
| 2015 | 53 | 73 |
| 2016 | 49 | 66 |
| 2017 | 52 | 86 |
| 2018 | 55 | 89 |
| 2019 | 78 | 103 |
| 2020 | 77 | 99 |
| 2021 | 85 | 87 |
| 2022 | 69 | 88 |
| 2023 | 68 | 90 |
| 2024 | 80 | 90 |
| 2025 | 70 | 72 |
| 2026 | 37 | 46 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B04B 5/04Radial chamber apparatus for separating predominantly liquid mixtures1,650
- B04B 5/005Centrifugal separators or filters for fluid circulation systems215
- B04B 5/12Centrifuges in which rotors other than bowls generate centrifugal effects in stationary209
- B04B 5/10Centrifuges combined with other apparatus170
- B04B 5/08Centrifuges for separating predominantly gaseous mixtures93
- B04B 5/02Centrifuges consisting of a plurality of separate bowls rotating round an axis83
- B04B 5/06Centrifugal counter-current apparatus27
Recent patents
- System and method for creating cell processing protocols15 Sep 2026US 12,734,284 B2Haemonetics Corporation
- Gas separation device system using waveform disks15 Sep 2026US 12,734,477 B2
- Centrifugal separators and skid for separating biocomponents and methods of use15 Sep 2026US 12,734,530 B2Life Technologies Corporation
- Centrifugal piston and centrifugal separation device having same8 Sep 2026US 12,728,427 B2
- Interface detection and control using a photodetector array1 Sep 2026US 12,722,163 B2Fenwal, Inc.
- Centrifuge syringe1 Oct 2026US 2026/0295575 A1Hubertus Goller Gesellschaft M.B.H.
- A method of operating a centrifugal separator1 Oct 2026US 2026/0295599 A1Alfa Laval Corporate AB
- A method for controlling an electric motor of a centrifugal separator1 Oct 2026US 2026/0295601 A1Alfdex AB
- Pbmc separation systems and methods of use10 Sep 2026US 2026/0264081 A1Aridica Corporation
- Hand-held spinning centrifugal microfluidics systems and the applications thereof10 Sep 2026US 2026/0264092 A1City University of Hong Kong
Most cited
By later US patents
- Method and apparatus for determining distribution of fluids317US 4,671,102 AShell Oil Company · 1987
- 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
- Apparatus for separating blood into components thereof257US 4,303,193 AHaemonetics Corporation · 1981
- Blood collection and processing system252US 5,100,564 APall Corporation · 1992