B01D 35/0273
Filtering elements with a horizontal or inclined rotation or symmetry axis submerged
Official title: {Filtering elements with a horizontal or inclined rotation or symmetry axis submerged in tanks or reservoirs}
B01D35/0273 (Filtering elements with a horizontal or inclined rotation or symmetry axis submerged) appears on 281 US grants and 229 published applications in this corpus.
Search patents in B01D- Granted patents
- 281
- Published applications
- 229
- Assignees
- 138
- Inventors
- 528
- Latest grant
- 4 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 8 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 5 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 6 | 0 |
| 1996 | 7 | 0 |
| 1997 | 8 | 0 |
| 1998 | 11 | 0 |
| 1999 | 6 | 0 |
| 2000 | 7 | 0 |
| 2001 | 16 | 3 |
| 2002 | 12 | 10 |
| 2003 | 10 | 18 |
| 2004 | 17 | 12 |
| 2005 | 9 | 16 |
| 2006 | 9 | 12 |
| 2007 | 6 | 5 |
| 2008 | 3 | 4 |
| 2009 | 1 | 12 |
| 2010 | 4 | 7 |
| 2011 | 7 | 6 |
| 2012 | 3 | 6 |
| 2013 | 5 | 6 |
| 2014 | 5 | 10 |
| 2015 | 4 | 4 |
| 2016 | 3 | 10 |
| 2017 | 1 | 13 |
| 2018 | 11 | 11 |
| 2019 | 13 | 21 |
| 2020 | 10 | 15 |
| 2021 | 10 | 7 |
| 2022 | 13 | 5 |
| 2023 | 10 | 6 |
| 2024 | 3 | 6 |
| 2025 | 4 | 4 |
By publication year. Applications have been published since 2001.
Recent patents
- Fuel tank and pump system4 Nov 2025US 12,460,610 B2Discovery Energy, LLC
- Tank inlet filters21 Oct 2025US 12,447,425 B2Rain Harvesting Pty Ltd
- Fluid filter for a compressor17 Jun 2025US 12,331,747 B2Hanon Systems
- Submerged liquid intake strainers3 Jun 2025US 12,320,087 B2
- Fluid filter for a compressor29 Oct 2024US 12,129,853 B2Hanon Systems
- Filter device11 Dec 2025US 2025/0375722 A1Aisan Kogyo Kabushiki Kaisha
- Filter system for filtering fluids4 Sep 2025US 2025/0276260 A1Mann+Hummel GmbH
- Suction strainer16 Jan 2025US 2025/0018319 A1Yamashin-Filter Corp.
- Fluid filter for a compressor2 Jan 2025US 2025/0003410 A1Hanon Systems
- Suction strainer7 Nov 2024US 2024/0367075 A1Yamashin-Filter Corp.
Most cited
By later US patents
- Filter apparatus61US 4,113,623 AFood Automation-Service Techniques, Inc. · 1978
- Method of laser welding transmission filter housing components60US 6,193,833 B1SPX Corporation · 2001
- Fuel supply module58US 4,974,570 ACarter Automotive Company, Inc. · 1990
- Filter element for oil pans and filter element/oil pan combination58US 5,863,424 ADana Corporation · 1999
- Fuel supply apparatus56US 5,649,514 ANippondenso Co., Ltd. · 1997