B01D 29/74
Involving centrifugal force
Official title: involving centrifugal force
B01D29/74 (Involving centrifugal force) appears on 45 US grants and 27 published applications in this corpus.
Search patents in B01D- Granted patents
- 45
- Published applications
- 27
- Assignees
- 30
- Inventors
- 88
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 4 | 0 |
| 2003 | 1 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 2 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 3 | 3 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 2 | 2 |
| 2017 | 0 | 0 |
| 2018 | 0 | 3 |
| 2019 | 1 | 1 |
| 2020 | 3 | 2 |
| 2021 | 2 | 0 |
| 2022 | 1 | 2 |
| 2023 | 0 | 3 |
| 2024 | 3 | 1 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Multi-plate or laminated screw press10 Mar 2026US 12,569,787 B2
- Apparatus for storing organic material15 Oct 2024US 12,114,671 B2Feltrim Pastoral Company Pty Ltd
- Extraction technique for recovering an organic solvent from a polyarylene sulfide waste sludge25 Jun 2024US 12,018,129 B2Ticona LLC
- [0001] Pre-coating filter device16 Apr 2024US 11,958,002 B2K-1Ecotech Co., Ltd.
- Vacuum filter system for solid-liquid separation and process for filtering solid particles21 Jun 2022US 11,364,457 B2Enhanced Equipment LLC
- Ring filter cartridge for filtration of oil sands slurries and related methods9 Oct 2025US 2025/0312713 A1Syncrude Canada Ltd. In Trust for the Owners of the Syncrude Project AS Such C
- Self-cleaning filtering device22 Aug 2024US 2024/0278152 A1
- A microparticle filter, a textile treatment apparatus and method of filtering microparticles30 Nov 2023US 2023/0381693 A1Xeros Limited
- Extraction Technique for Recovering an Organic Solvent from a Polyarylene Sulfide Waste Sludge9 Mar 2023US 2023/0073136 A1Ticona LLC
- Laminated spiral dewatering equipment having detachable driving device2 Mar 2023US 2023/0065734 A1
Most cited
By later US patents
- Backwashable fluid filter57US 4,295,963 A1981
- System and method for collecting platelets and anticipating plasma return33US 9,302,042 B2Haemonetics Corporation · 2016
- Filter for removing sediment from water28US 8,123,935 B2Monteco Ltd. · 2012
- Filter cleaner27US 5,384,045 A1995
- Filter for removing sediment from water24US 8,287,726 B2Monteco Ltd. · 2012