B01D 33/056
Construction of filtering bands or supporting belts
Official title: Construction of filtering bands or supporting belts, e.g. devices for centering, mounting or sealing the filtering bands or the supporting belts
B01D33/056 (Construction of filtering bands or supporting belts) appears on 137 US grants and 70 published applications in this corpus.
Search patents in B01D- Granted patents
- 137
- Published applications
- 70
- Assignees
- 92
- Inventors
- 188
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 5 | 0 |
| 1994 | 1 | 0 |
| 1995 | 7 | 0 |
| 1996 | 5 | 0 |
| 1997 | 4 | 0 |
| 1998 | 3 | 0 |
| 1999 | 8 | 0 |
| 2000 | 7 | 0 |
| 2001 | 9 | 2 |
| 2002 | 2 | 5 |
| 2003 | 4 | 2 |
| 2004 | 1 | 1 |
| 2005 | 2 | 3 |
| 2006 | 2 | 2 |
| 2007 | 0 | 2 |
| 2008 | 3 | 1 |
| 2009 | 0 | 3 |
| 2010 | 3 | 3 |
| 2011 | 1 | 2 |
| 2012 | 1 | 2 |
| 2013 | 0 | 2 |
| 2014 | 2 | 5 |
| 2015 | 3 | 3 |
| 2016 | 2 | 3 |
| 2017 | 2 | 3 |
| 2018 | 1 | 6 |
| 2019 | 2 | 1 |
| 2020 | 4 | 2 |
| 2021 | 2 | 2 |
| 2022 | 1 | 3 |
| 2023 | 2 | 3 |
| 2024 | 4 | 3 |
| 2025 | 2 | 3 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method of filtrating liquid, and filtration apparatus for filtrating liquid25 Aug 2026US 12,714,956 B2Renasys AS
- Conveyor-belt filtering device for mechanically cleaning a liquid21 Apr 2026US 12,605,659 B2FSM Frankenberger GmbH
- Fluid and solid material separator9 Dec 2025US 12,491,456 B2Schlumberger Technology Corporation
- Non-metallic seal plate29 Jul 2025US 12,370,475 B2Evoqua Water Technologies LLC
- Filtration apparatus utilizing differential pressure over a filtering element3 Dec 2024US 12,157,688 B2Pro-Flo AS
- Sewage solids-liquids separator system and method13 Aug 2026US 2026/0233133 A1WWJD, Inc.
- Micro-fibre filter cartridge and filter unit23 Jul 2026US 2026/0208078 A1
- Slurry treatment apparatus12 Mar 2026US 2026/0070830 A1Vietti Slurrytec (Pty) Ltd
- Equipment capable of cleaning up toxic blue-green algae from bodies of water from the sides of vessels6 Nov 2025US 2025/0341071 A1
- A brine injection machine for injecting brine to meat pieces and a method for operating the same9 Oct 2025US 2025/0311739 A1Metalquimia, SAU
Most cited
By later US patents
- Drilling mud cleaning apparatus56US 4,350,591 A1982
- Gumbo separator50US 5,921,399 ADerrick Corporation · 1999
- Cleaning device for waste water48US 6,942,786 B1Salnes Filter AS · 2005
- Process for treating a slurry of cellulosic material45US 4,046,621 ACanadian International Paper Company · 1977
- Mounting & tensioning arrangements for screens40US 5,615,776 AAlfa-Laval Separation AB · 1997