B01D 29/09
Filters with filtering elements stationary during filtration: with filtering bands
Official title: with filtering bands, e.g. movable between filtering operations
B01D29/09 (Filters with filtering elements stationary during filtration: with filtering bands) appears on 200 US grants and 54 published applications in this corpus.
Search patents in B01D- Granted patents
- 200
- Published applications
- 54
- Assignees
- 92
- Inventors
- 233
- Latest grant
- 30 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 7 | 0 |
| 1978 | 3 | 0 |
| 1979 | 11 | 0 |
| 1980 | 9 | 0 |
| 1981 | 5 | 0 |
| 1982 | 1 | 0 |
| 1983 | 7 | 0 |
| 1984 | 9 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 9 | 0 |
| 1988 | 2 | 0 |
| 1989 | 10 | 0 |
| 1990 | 5 | 0 |
| 1991 | 3 | 0 |
| 1992 | 7 | 0 |
| 1993 | 5 | 0 |
| 1994 | 9 | 0 |
| 1995 | 4 | 0 |
| 1996 | 6 | 0 |
| 1997 | 7 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 7 | 0 |
| 2001 | 7 | 0 |
| 2002 | 7 | 2 |
| 2003 | 1 | 2 |
| 2004 | 4 | 6 |
| 2005 | 3 | 4 |
| 2006 | 2 | 4 |
| 2007 | 0 | 3 |
| 2008 | 4 | 2 |
| 2009 | 2 | 3 |
| 2010 | 6 | 3 |
| 2011 | 0 | 0 |
| 2012 | 3 | 3 |
| 2013 | 5 | 7 |
| 2014 | 1 | 2 |
| 2015 | 3 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 4 |
| 2018 | 0 | 2 |
| 2019 | 1 | 0 |
| 2020 | 3 | 2 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 2 | 3 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Liquid filtering bag30 Sep 2025US 12,427,449 B2
- Fleece filters for use in aquatic installations17 Sep 2024US 12,089,572 B2Red Sea Aquatics Development Ltd.
- Liquid filtering bag30 Apr 2024US 11,969,674 B2
- Support structure for fluid treatment systems having belted filtration systems29 Sep 2020US 10,786,766 B2Nexom (US), Inc.
- Lint collection assembly for a dryer appliance8 Sep 2020US 10,765,974 B2Haier US Appliance Solutions, Inc.
- Fleece filters for use in aquatic installations21 Nov 2024US 2024/0381855 A1Red Sea Aquatics Development Ltd.
- Fleece filters for use in aquatic installations8 Aug 2024US 2024/0260552 A1Red Sea Aquatics Development Ltd.
- Liquid filtering bag22 Feb 2024US 2024/0058728 A1
- Liquid Filtering Bag7 Dec 2023US 2023/0390674 A1
- Lint collection assembly for a dryer appliance30 Jul 2020US 2020/0238202 A1Haier US Appliance Solutions, Inc.
Most cited
By later US patents
- Moving web filter assembly52US 5,108,623 AGould Inc. · 1992
- Fluid filter, method of making and using thereof47US 6,071,419 AProducts Unlimited, Inc. · 2000
- Continuous polymer filter37US 4,849,113 A1989
- Method and apparatus for treating liquid contaminated with radioactive particulate solids34US 3,962,078 AHydromation Filter Company · 1976
- Travelling sheet, flat-bed filter apparatus and system31US 4,233,157 A1980