B01D 33/52
By forces created by movement of the filter element
Official title: by forces created by movement of the filter element
B01D33/52 (By forces created by movement of the filter element) appears on 113 US grants and 65 published applications in this corpus.
Search patents in B01D- Granted patents
- 113
- Published applications
- 65
- Assignees
- 87
- Inventors
- 237
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 9 | 0 |
| 1991 | 4 | 0 |
| 1992 | 7 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 5 | 0 |
| 2002 | 0 | 0 |
| 2003 | 3 | 7 |
| 2004 | 2 | 6 |
| 2005 | 5 | 0 |
| 2006 | 1 | 3 |
| 2007 | 2 | 0 |
| 2008 | 2 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 1 |
| 2012 | 0 | 3 |
| 2013 | 0 | 2 |
| 2014 | 3 | 3 |
| 2015 | 1 | 5 |
| 2016 | 4 | 3 |
| 2017 | 2 | 5 |
| 2018 | 1 | 5 |
| 2019 | 4 | 1 |
| 2020 | 5 | 3 |
| 2021 | 2 | 3 |
| 2022 | 3 | 3 |
| 2023 | 1 | 5 |
| 2024 | 4 | 2 |
| 2025 | 2 | 1 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Forming and processing slurry in carbon dioxide capture and separation systems16 Jun 2026US 12,654,125 B1AirMyne, Inc.
- Tableware washing apparatus and filtering device thereof26 Aug 2025US 12,396,614 B2Foshan Shunde Midea Washing Appliances Mfg. Co., Ltd.
- Solid-liquid separation mechanism and solid-liquid separation method for grain fermentation17 Jun 2025US 12,330,097 B1Harbin University Of Commerce
- Device and method for simultaneously producing separate filtrates from a single substrate20 Aug 2024US 12,064,719 B2France Membranes Technologies-Fmt
- System and methods for the production of hydrogen gas2 Jul 2024US 12,024,431 B2
- Apparatus and method for solid-liquid separation13 Aug 2026US 2026/0233134 A1Betolar Oyj
- Centrifugal solids-liquid separator system19 Feb 2026US 2026/0048348 A1
- A microparticle filter, a textile treatment apparatus, use thereof and a method of filtering microparticles1 May 2025US 2025/0135379 A1Xeros Limited
- System and methods for the production of hydrogen gas14 Nov 2024US 2024/0375954 A1
- A filter unit for filtering microparticles and a filter cage for use in a filter unit27 Jun 2024US 2024/0209560 A1Xeros Limited
Most cited
By later US patents
- Centrifugal filtration device93US 6,517,612 B1Gore Enterprise Holdings, Inc. · 2003
- Multi-purpose rotating membrane filter78US 4,925,557 A1990
- Centrifugal filter apparatus and method55US 5,431,814 A1995
- Rotary filter separator54US 4,040,965 AFirma Supraton Aurer & Zucker OHG · 1977
- Assembly for withdrawing and filtering partial volumes of process fluid46US 7,208,091 B2Bio Gasol IPR APS · 2007