B01D 2201/307
Filtering elements contained in an insert body mounted in a filter housing
Official title: Filtering elements contained in an insert body mounted in a filter housing (double casing), e.g. to avoid contamination when removing or replacing the filter element
B01D2201/307 (Filtering elements contained in an insert body mounted in a filter housing) appears on 80 US grants and 83 published applications in this corpus.
Search patents in B01D- Granted patents
- 80
- Published applications
- 83
- Assignees
- 59
- Inventors
- 189
- Latest grant
- 30 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 5 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 2 |
| 2004 | 1 | 3 |
| 2005 | 0 | 1 |
| 2006 | 1 | 3 |
| 2007 | 4 | 3 |
| 2008 | 2 | 2 |
| 2009 | 1 | 2 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 3 |
| 2013 | 1 | 5 |
| 2014 | 1 | 2 |
| 2015 | 3 | 3 |
| 2016 | 2 | 4 |
| 2017 | 4 | 3 |
| 2018 | 2 | 4 |
| 2019 | 3 | 6 |
| 2020 | 4 | 8 |
| 2021 | 5 | 9 |
| 2022 | 6 | 6 |
| 2023 | 5 | 3 |
| 2024 | 7 | 1 |
| 2025 | 3 | 6 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Sorbent indoor air purifier30 Sep 2025US 12,427,456 B2
- Filter system for removing and/or neutralizing undissolved oil, grease, and salts and/or abraded metal particles on and in emulsions containing water6 May 2025US 12,290,763 B2Newfluid GmbH
- Radial seal for spin-on filter1 Apr 2025US 12,263,428 B2Cummins Filtration Sarl
- Filter media insert structures and methods of installation12 Nov 2024US 12,138,570 B2Solidification Products International, Inc.
- Filter press with threadably advanced filtrate receiving plunger29 Oct 2024US 12,128,334 B2
- In-Pipe Stormwater Treatment Unit Best Management Practice (I-STUB)21 May 2026US 2026/0138056 A1The United States of America as represented by the Secretary of the Navy
- Water filter with replaceable active components5 Mar 2026US 2026/0061343 A1Blu Technology LLC
- Sorbent indoor air purifier25 Dec 2025US 2025/0387737 A1
- Water Filter System and Method20 Nov 2025US 2025/0352928 A1
- Filtering apparatus for removing foreign metal substances from a slurry for manufacturing an electrode plate for a battery31 Jul 2025US 2025/0242282 A1Samsung SDI.Co., Ltd.
Most cited
By later US patents
- Dry sump liquid filter102US 4,824,564 AEastman Kodak Company · 1989
- Filter container with double construction67US 5,256,285 AKanebo, Ltd. · 1993
- Filter housing for closed fluid circulating system66US 4,615,812 AMetro-Line Industries, Inc. · 1986
- Filtering apparatus of water purifier47US 5,601,710 ASamsung Electronics Co., Ltd. · 1997
- Expandable encapsulated filter cartridge assembly37US 5,919,362 ACuno Incorporated · 1999