B04B 9/12
Suspending rotary bowls
Official title: Suspending rotary bowls {; Bearings; Packings for bearings}
B04B9/12 (Suspending rotary bowls) appears on 240 US grants and 187 published applications in this corpus.
Search patents in B04B- Granted patents
- 240
- Published applications
- 187
- Assignees
- 126
- Inventors
- 432
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 7 | 0 |
| 1981 | 3 | 0 |
| 1982 | 6 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 6 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 6 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 5 | 0 |
| 2002 | 7 | 5 |
| 2003 | 7 | 4 |
| 2004 | 6 | 10 |
| 2005 | 5 | 5 |
| 2006 | 6 | 4 |
| 2007 | 2 | 4 |
| 2008 | 3 | 9 |
| 2009 | 4 | 9 |
| 2010 | 6 | 10 |
| 2011 | 6 | 5 |
| 2012 | 5 | 13 |
| 2013 | 8 | 6 |
| 2014 | 9 | 4 |
| 2015 | 8 | 11 |
| 2016 | 8 | 6 |
| 2017 | 4 | 11 |
| 2018 | 5 | 11 |
| 2019 | 11 | 5 |
| 2020 | 9 | 7 |
| 2021 | 6 | 10 |
| 2022 | 7 | 10 |
| 2023 | 4 | 13 |
| 2024 | 9 | 7 |
| 2025 | 3 | 2 |
| 2026 | 6 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Rotary centrifuge seal205US 4,300,717 AHaemonetics Corporation · 1981
- Free jet centrifuge rotor133US 6,530,872 B2Filterwerk Mann & Hummel GmbH · 2003
- Method and apparatus for processing biological fluids92US 4,767,396 AHaemonetics Corporation · 1988
- Centrifugal filter for removing soot from engine oil84US 6,517,475 B1Analytical Engineering, Inc. · 2003
- Disc-decanter centrifuge70US 5,364,335 ADorr-Oliver Incorporated · 1994