B01D 35/26
Filters with built-in pumps filters provided with a pump mounted in or
Official title: Filters with built-in pumps {filters provided with a pump mounted in or on the casing (aquarium pumps or filters A01K63/04)}
B01D35/26 (Filters with built-in pumps filters provided with a pump mounted in or) appears on 533 US grants and 377 published applications in this corpus.
Search patents in B01D- Granted patents
- 533
- Published applications
- 377
- Assignees
- 313
- Inventors
- 980
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 8 | 0 |
| 1983 | 3 | 0 |
| 1984 | 6 | 0 |
| 1985 | 12 | 0 |
| 1986 | 6 | 0 |
| 1987 | 7 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 12 | 0 |
| 1991 | 7 | 0 |
| 1992 | 16 | 0 |
| 1993 | 12 | 0 |
| 1994 | 10 | 0 |
| 1995 | 9 | 0 |
| 1996 | 18 | 0 |
| 1997 | 14 | 0 |
| 1998 | 12 | 0 |
| 1999 | 20 | 0 |
| 2000 | 13 | 0 |
| 2001 | 25 | 2 |
| 2002 | 18 | 11 |
| 2003 | 11 | 15 |
| 2004 | 11 | 20 |
| 2005 | 10 | 16 |
| 2006 | 15 | 18 |
| 2007 | 14 | 12 |
| 2008 | 9 | 9 |
| 2009 | 6 | 8 |
| 2010 | 8 | 7 |
| 2011 | 1 | 4 |
| 2012 | 6 | 4 |
| 2013 | 4 | 9 |
| 2014 | 4 | 10 |
| 2015 | 10 | 11 |
| 2016 | 7 | 8 |
| 2017 | 7 | 15 |
| 2018 | 11 | 25 |
| 2019 | 18 | 20 |
| 2020 | 25 | 42 |
| 2021 | 22 | 19 |
| 2022 | 22 | 21 |
| 2023 | 24 | 19 |
| 2024 | 14 | 23 |
| 2025 | 16 | 15 |
| 2026 | 10 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Filter assembly25 Aug 2026US 12,716,481 B2Filtran LLC
- Aquarium skimmer devices, systems, and methods4 Aug 2026US 12,696,882 B2
- Outboard motor and marine vessel21 Jul 2026US 12,686,480 B2Yamaha Hatsudoki Kabushiki Kaisha
- Fuel pressure regulartor with jet pump23 Jun 2026US 12,662,980 B2Walbro Corporation
- Liquid supply device for a motor vehicle5 May 2026US 12,618,349 B2Plastic Omnium Advanced Innovation and Research
- Swimming pool filter detection system and method28 May 2026US 2026/0145102 A1Pentair Water Pool and Spa, Inc.
- Automatic exhaust mechanism21 May 2026US 2026/0139677 A1Belgravia Wood Limited
- Filter cartridge for aquarium; and methods30 Apr 2026US 2026/0115632 A1
- High-gradient magnetic field for sustainable transition metal separation and recovery30 Apr 2026US 2026/0115735 A1The Florida State University Research Foundation, Inc.
- System And Method For Filtration Of Industrial And Mobile Fluids19 Mar 2026US 2026/0077284 A1FluidLoop Technologies, LLC
Most cited
By later US patents
- Filtering and dispensing system with independently activated pumps in series161US 5,167,837 AFAS-Technologies, Inc. · 1992
- Fluid dispensing system124US 5,516,429 AFAStar, Ltd. · 1996
- Molten metal pump with filter121US 5,078,572 AThe Carborundum Company · 1992
- Molten metal pump with filter119US 5,286,163 AThe Carborundum Company · 1994
- Filter for subterranean wells109US 5,664,628 APall Corporation · 1997