B01D 2201/605
Square or rectangular
B01D2201/605 (Square or rectangular) appears on 29 US grants and 38 published applications in this corpus.
Search patents in B01D- Granted patents
- 29
- Published applications
- 38
- Assignees
- 30
- Inventors
- 86
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 1 | 5 |
| 2018 | 0 | 6 |
| 2019 | 4 | 1 |
| 2020 | 5 | 7 |
| 2021 | 2 | 5 |
| 2022 | 3 | 6 |
| 2023 | 2 | 2 |
| 2024 | 4 | 1 |
| 2025 | 3 | 4 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Retrofitting and use of rectangular filters, assembly and method for filtration25 Aug 2026US 12,714,957 B2Filtration Technology Corporation
- Flexible bag for the preparation of adipose tissue grafts and relative kit17 Mar 2026US 12,576,007 B2Biopsybell S.R.L.
- Rectangular filters, assembly and method for filtration14 Oct 2025US 12,440,789 B2Filtration Technology Corporation
- Rectangular filters, assembly and method for filtration14 Oct 2025US 12,440,790 B2Filtration Technology Corporation
- Sump pump filtration unit14 Oct 2025US 12,442,391 B1
- Filter18 Dec 2025US 2025/0381503 A1ThinkCyte K. K.
- Filter frame with a clamping structure16 Oct 2025US 2025/0319430 A1Ye Siang Enterprise Co., Ltd.
- Residential hydronic magnetic, sediment, and air separation device with maintenance indicator14 Aug 2025US 2025/0256223 A1Fluid Handling LLC
- Water inlet protection system6 Feb 2025US 2025/0043562 A1Flo Water Inc.
- Retrofitting and use of rectangular filters, assembly and method for filtration14 Mar 2024US 2024/0082761 A1Filtration Technology Corporation
Most cited
By later US patents
- Fuel intake device for fuel systems39US 5,776,341 ASikorsky Aircraft Corporation · 1998
- Stacked filter cartridge15US 4,632,755 A1986
- Regenerative media filtration11US 11,065,566 B2Blue Skies Global LLC · 2021
- Double-filter basket for stormwater retention system drain9US 11,980,835 B2Foley Products Company, LLC · 2024
- Oil system with clog resistant oil filter4US 10,385,741 B2Ford Global Technologies, LLC · 2019