B01D 33/333
Filters with filtering elements which move during the filtering operation: with individual
Official title: with individual filtering elements moving along a closed path (tipping buckets, trays or like sections B01D33/327)
B01D33/333 (Filters with filtering elements which move during the filtering operation: with individual) appears on 69 US grants and 58 published applications in this corpus.
Search patents in B01D- Granted patents
- 69
- Published applications
- 58
- Assignees
- 60
- Inventors
- 135
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 5 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 2 | 3 |
| 2005 | 1 | 1 |
| 2006 | 1 | 3 |
| 2007 | 0 | 5 |
| 2008 | 4 | 0 |
| 2009 | 3 | 4 |
| 2010 | 3 | 1 |
| 2011 | 1 | 7 |
| 2012 | 2 | 1 |
| 2013 | 1 | 1 |
| 2014 | 0 | 3 |
| 2015 | 1 | 4 |
| 2016 | 0 | 3 |
| 2017 | 3 | 2 |
| 2018 | 3 | 2 |
| 2019 | 1 | 2 |
| 2020 | 1 | 2 |
| 2021 | 0 | 1 |
| 2022 | 1 | 3 |
| 2023 | 5 | 3 |
| 2024 | 0 | 0 |
| 2025 | 3 | 5 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Conveyor-belt filtering device for mechanically cleaning a liquid21 Apr 2026US 12,605,659 B2FSM Frankenberger GmbH
- Treatment system for removing iron-aluminum-chromium reaction products in leaching solution of laterite nickel ore13 Jan 2026US 12,522,890 B2Pt Esg New Energy Material
- Continuous frying device26 Aug 2025US 12,396,594 B2Marel Further Processing B. V.
- Non-metallic seal plate29 Jul 2025US 12,370,475 B2Evoqua Water Technologies LLC
- Rake system and method14 Jan 2025US 12,194,399 B2
- Conveyor-belt filter device and method for setting a tension and/or a slack of at least one closed means of traction16 Oct 2025US 2025/0319682 A1FSM Frankenberger GmbH
- Screening device21 Aug 2025US 2025/0262577 A1Huber SE
- Treatment system for removing iron-aluminum-chromium reaction products in leaching solution of laterite nickel ore22 May 2025US 2025/0163537 A1Gem Co., Ltd.
- Meethod of operating a rake system8 May 2025US 2025/0144550 A1
- Continuous frying device3 Apr 2025US 2025/0107663 A1Marel Further Processing B. V.
Most cited
By later US patents
- Apparatus and method for separation of solids from liquid82US 5,814,230 A1998
- Apparatus, components and a method for the filtering of liquid28US 5,800,701 AI. Kruger Systems A/S · 1998
- Pretensioned mesh insert and method for producing a pretensioned mesh insert27US 5,326,460 AEnvirex Inc. · 1994
- Joint between traveling water screen trays23US 4,360,426 AFMC Corporation · 1982
- Wire screen clamp21US 5,242,583 AEnvirex Inc. · 1993