B01D 17/0217
By centrifugal force
Official title: {by centrifugal force}
B01D17/0217 (By centrifugal force) appears on 936 US grants and 746 published applications in this corpus.
Search patents in B01D- Granted patents
- 936
- Published applications
- 746
- Assignees
- 551
- Inventors
- 1,697
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 2 | 0 |
| 1978 | 8 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 5 | 0 |
| 1983 | 6 | 0 |
| 1984 | 6 | 0 |
| 1985 | 9 | 0 |
| 1986 | 6 | 0 |
| 1987 | 7 | 0 |
| 1988 | 9 | 0 |
| 1989 | 23 | 0 |
| 1990 | 15 | 0 |
| 1991 | 19 | 0 |
| 1992 | 21 | 0 |
| 1993 | 15 | 0 |
| 1994 | 13 | 0 |
| 1995 | 14 | 0 |
| 1996 | 23 | 0 |
| 1997 | 33 | 0 |
| 1998 | 28 | 0 |
| 1999 | 24 | 0 |
| 2000 | 26 | 0 |
| 2001 | 26 | 5 |
| 2002 | 28 | 18 |
| 2003 | 17 | 33 |
| 2004 | 17 | 29 |
| 2005 | 18 | 24 |
| 2006 | 20 | 22 |
| 2007 | 14 | 14 |
| 2008 | 9 | 21 |
| 2009 | 17 | 29 |
| 2010 | 11 | 27 |
| 2011 | 16 | 30 |
| 2012 | 28 | 28 |
| 2013 | 22 | 36 |
| 2014 | 35 | 39 |
| 2015 | 22 | 40 |
| 2016 | 31 | 34 |
| 2017 | 41 | 46 |
| 2018 | 33 | 37 |
| 2019 | 33 | 38 |
| 2020 | 29 | 51 |
| 2021 | 43 | 34 |
| 2022 | 28 | 35 |
| 2023 | 28 | 23 |
| 2024 | 22 | 20 |
| 2025 | 17 | 21 |
| 2026 | 5 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cyclonic solids removal unit for downhole oil-water separation (DOWS)21 Jul 2026US 12,687,098 B2Halliburton Energy Services.Inc.
- Method for recovering raw and auxiliary materials in the production of lithium bis(fluorosulfonyl)imide9 Jun 2026US 12,649,659 B2Catl-Sicong Novel Materials Co., Ltd
- Bi-directional filter19 May 2026US 12,629,620 B2Combipro AS
- Compact rotating fluid stabilizer and multiphase separator system21 Apr 2026US 12,605,652 B1
- Electrostatic free water knockout for high water cut emulsions27 Jan 2026US 12,533,680 B1Cameron International Corporation
- Method for operating a system comprising a centrifugal separator27 Aug 2026US 2026/0249213 A1Alfa Laval Corporate AB
- System and method for polymer purification using coil coalescer13 Aug 2026US 2026/0233125 A1PureCycle Technologies, Inc.
- Method and system for treating fluid30 Jul 2026US 2026/0216738 A1Vortex Corporation
- Method and system for purifying contaminated oil25 Jun 2026US 2026/0175141 A1
- Systems, Methods and Apparatus for Producing Sustainable Aviation Fuel From Coal28 May 2026US 2026/0145156 A1
Most cited
By later US patents
- Apparatus and method for separating particles from a cyclonic fluid flow270US 6,251,296 B1G. B. D. Corp. · 2001
- Enhanced yield platelet collection systems and methods216US 5,370,802 ABaxter International Inc. · 1994
- Centrifugation pheresis system202US 4,834,890 ABaxter International Inc. · 1989
- Apparatus and method for separating and concentrating fluids containing multiple components196US 7,179,391 B2Biomet Manufacturing, LLC · 2007
- Time based interface detection systems for blood processing apparatus186US 5,316,667 ABaxter International Inc. · 1994