B04B 7/00
Elements of centrifuges
Official title: Elements of centrifuges (drives B04B9/00; feeding, charging, or discharging appurtenances or devices B04B11/00)
B04B7/00 (Elements of centrifuges) appears on 1,066 US grants and 953 published applications in this corpus.
Search patents in B04B- Granted patents
- 1,066
- Published applications
- 953
- Assignees
- 451
- Inventors
- 1,711
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 17 | 0 |
| 1978 | 7 | 0 |
| 1979 | 10 | 0 |
| 1980 | 13 | 0 |
| 1981 | 12 | 0 |
| 1982 | 21 | 0 |
| 1983 | 8 | 0 |
| 1984 | 12 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 10 | 0 |
| 1988 | 11 | 0 |
| 1989 | 15 | 0 |
| 1990 | 9 | 0 |
| 1991 | 12 | 0 |
| 1992 | 8 | 0 |
| 1993 | 8 | 0 |
| 1994 | 16 | 0 |
| 1995 | 9 | 0 |
| 1996 | 28 | 0 |
| 1997 | 16 | 0 |
| 1998 | 24 | 0 |
| 1999 | 25 | 0 |
| 2000 | 18 | 0 |
| 2001 | 19 | 10 |
| 2002 | 17 | 22 |
| 2003 | 30 | 26 |
| 2004 | 19 | 27 |
| 2005 | 10 | 9 |
| 2006 | 18 | 23 |
| 2007 | 13 | 16 |
| 2008 | 15 | 19 |
| 2009 | 10 | 26 |
| 2010 | 12 | 27 |
| 2011 | 25 | 38 |
| 2012 | 24 | 37 |
| 2013 | 23 | 50 |
| 2014 | 29 | 67 |
| 2015 | 41 | 53 |
| 2016 | 41 | 37 |
| 2017 | 40 | 61 |
| 2018 | 43 | 51 |
| 2019 | 56 | 47 |
| 2020 | 37 | 50 |
| 2021 | 50 | 49 |
| 2022 | 29 | 58 |
| 2023 | 32 | 41 |
| 2024 | 44 | 52 |
| 2025 | 41 | 30 |
| 2026 | 20 | 27 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Liquid processing fixture and device6 Oct 2026US 12,752,221 B2Triple Win Technology(Shenzhen) Co. Ltd.
- Separator insert and separator22 Sep 2026US 12,741,288 B2GEA Westfalia Separator Group GmbH
- Centrifugal separators and skid for separating biocomponents and methods of use15 Sep 2026US 12,734,530 B2Life Technologies Corporation
- Integrated autotransfusion bowl and fluid line organizer4 Aug 2026US 12,697,421 B2Sorin Group Italia S.r.l.
- Blood and bone marrow fractionation devices and methods26 May 2026US 12,636,661 B2Regenexx, LLC
- A centrifugal separator1 Oct 2026US 2026/0295600 A1Alfa Laval Corporate AB
- Portable Centrifuge with Vibration Dampening1 Oct 2026US 2026/0295602 A1ABC Med Tech Corp.
- Centrifugal separator having an improved flow and system comprising such a centrifugal separator24 Sep 2026US 2026/0284674 A1FLSmidth A/S
- Jig for cap replacement24 Sep 2026US 2026/0284676 A1FUJIFILM Corporation
- Separator insert, separator and method for exchanging a separator insert27 Aug 2026US 2026/0249308 A1GEA Westfalia Separator Group GmbH
Most cited
By later US patents
- Enhanced yield platelet collection systems and methods216US 5,370,802 ABaxter International Inc. · 1994
- Centrifugation pheresis system202US 4,834,890 ABaxter International Inc. · 1989
- Time based interface detection systems for blood processing apparatus186US 5,316,667 ABaxter International Inc. · 1994
- Rotary centrifuge bowl and seal for blood processing175US 5,045,048 AHaemonetics Corporation · 1991
- Plasmapheresis centrifuge bowl164US 4,983,158 AHaemonetics Corporation · 1991