B01D 29/035
With curved filtering elements
Official title: {with curved filtering elements}
B01D29/035 (With curved filtering elements) appears on 79 US grants and 70 published applications in this corpus.
Search patents in B01D- Granted patents
- 79
- Published applications
- 70
- Assignees
- 61
- Inventors
- 142
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 5 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 3 | 3 |
| 2003 | 3 | 4 |
| 2004 | 5 | 5 |
| 2005 | 4 | 3 |
| 2006 | 3 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 5 |
| 2010 | 2 | 2 |
| 2011 | 3 | 0 |
| 2012 | 0 | 3 |
| 2013 | 1 | 2 |
| 2014 | 3 | 3 |
| 2015 | 1 | 4 |
| 2016 | 2 | 0 |
| 2017 | 4 | 1 |
| 2018 | 1 | 7 |
| 2019 | 2 | 1 |
| 2020 | 4 | 6 |
| 2021 | 5 | 7 |
| 2022 | 2 | 3 |
| 2023 | 1 | 2 |
| 2024 | 3 | 4 |
| 2025 | 1 | 0 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Sludge retaining device for a drain of a sanitary basin22 Sep 2026US 12,742,320 B2BLANCO GmbH + Co KG
- Quick-cleaning drain for quick replacement of cleaning parts25 Mar 2025US 12,258,747 B1
- Quick-cleaning drain for quick replacement of cleaning parts29 Oct 2024US 12,129,641 B1
- Slurry filtering apparatus and coating system22 Oct 2024US 12,121,833 B2Contemporary Amperex Technology Co., Limited
- Bladder saver device30 Jan 2024US 11,885,454 B2Performance Pulsation Control, Inc.
- Screening Device, Screening Element and Method for Producing a Screening Device27 Aug 2026US 2026/0249215 A1Huber SE
- Filtration Unit For Processing a Liquid5 Mar 2026US 2026/0061347 A1
- Buoyancy cleaning device for aboveground pool28 Nov 2024US 2024/0391795 A1Belgravia Wood Limited
- Buoyancy cleaning device for aboveground pool28 Nov 2024US 2024/0391796 A1Belgravia Wood Limited
- Filtration system21 Nov 2024US 2024/0382879 A1Saudi Arabian Oil Company
Most cited
By later US patents
- Cooking device with reversible multi-functional top73US 6,568,314 B12003
- Debris separator unit for raingutter downspouts48US 4,801,377 A1989
- Sectional screen cylinder43US 4,986,900 AA. Ahlstrom Corporation · 1991
- Apparatus and methods for separating solids from flowing liquids or gases43US 6,511,595 B22003
- Pipeline sieve with a suction removal device38US 4,867,879 ATaprogge Gesellschaft mbH · 1989