B01D 29/19
On solid frames with surface grooves or the like
Official title: on solid frames with surface grooves or the like
B01D29/19 (On solid frames with surface grooves or the like) appears on 44 US grants and 48 published applications in this corpus.
Search patents in B01D- Granted patents
- 44
- Published applications
- 48
- Assignees
- 31
- Inventors
- 117
- Latest grant
- 9 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 0 | 2 |
| 2005 | 2 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 6 |
| 2014 | 1 | 1 |
| 2015 | 2 | 2 |
| 2016 | 3 | 1 |
| 2017 | 0 | 1 |
| 2018 | 0 | 5 |
| 2019 | 0 | 5 |
| 2020 | 3 | 4 |
| 2021 | 2 | 3 |
| 2022 | 5 | 5 |
| 2023 | 6 | 3 |
| 2024 | 3 | 1 |
| 2025 | 1 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Advanced passive wedge wire screen intake9 Dec 2025US 12,491,455 B2Johnson Screens, Inc.
- Filter element having inner support and methods19 Nov 2024US 12,145,094 B2Donaldson Company, Inc.
- Method and apparatuses for screening12 Nov 2024US 12,138,661 B2Derrick Corporation
- Beverage capsule with filter registration element11 Jun 2024US 12,004,678 B2Nexe Innovations Inc.
- Filter interlock with tabs mating with a pedestal or a housing28 Nov 2023US 11,826,684 B2Caterpillar Inc.
- Filter Element17 Sep 2026US 2026/0273441 A1Hydac Filtertechnik GmbH
- Filter Element And Filter Device10 Sep 2026US 2026/0263970 A1Hydac Filtertechnik GmbH
- Beverage capsule with filter registration element30 Jan 2025US 2025/0031892 A1Nexe Innovations Inc.
- Filter element having inner support and methods2 May 2024US 2024/0139666 A1Donaldson Company, Inc.
- Method and apparatuses for screening21 Sep 2023US 2023/0294022 A1Derrick Corporation
Most cited
By later US patents
- Filter assembly with shut off and filter element therefor45US 4,529,514 AOil-Rite Corporation · 1985
- Paper roll filter structure44US 4,575,422 A1986
- Travelling sheet, flat-bed filter apparatus and system31US 4,233,157 A1980
- Filter cartridge with castellated support and process of making the same29US 4,521,309 APall Corporation · 1985
- Tubewell screen filters27US 4,204,967 A1980