B01D 46/0016
Folded frame or housing constructions
Official title: {Folded frame or housing constructions}
B01D46/0016 (Folded frame or housing constructions) appears on 111 US grants and 127 published applications in this corpus.
Search patents in B01D- Granted patents
- 111
- Published applications
- 127
- Assignees
- 66
- Inventors
- 234
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 2 | 2 |
| 2004 | 2 | 3 |
| 2005 | 1 | 2 |
| 2006 | 1 | 2 |
| 2007 | 3 | 3 |
| 2008 | 1 | 3 |
| 2009 | 3 | 6 |
| 2010 | 1 | 3 |
| 2011 | 3 | 1 |
| 2012 | 2 | 6 |
| 2013 | 2 | 5 |
| 2014 | 3 | 6 |
| 2015 | 7 | 4 |
| 2016 | 5 | 3 |
| 2017 | 4 | 7 |
| 2018 | 2 | 8 |
| 2019 | 9 | 6 |
| 2020 | 6 | 8 |
| 2021 | 7 | 8 |
| 2022 | 2 | 5 |
| 2023 | 4 | 12 |
| 2024 | 9 | 11 |
| 2025 | 7 | 8 |
| 2026 | 6 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Modular air filtration housing and system2 Jun 2026US 12,643,118 B2PaintMaxx LLC
- Compact room air purifier with integrated gaskets26 May 2026US 12,636,601 B23M Innovative Properties Company
- Filter assembly and foldable filter bank21 Apr 2026US 12,605,667 B2Carrier Corporation
- Frame for collapsible and foldable pleated disposable air filter with differential pressure sensor and communication capability7 Apr 2026US 12,594,516 B2Woosh Air Inc.
- Kit for air-filtration assembly24 Mar 2026US 12,582,929 B23M Innovative Properties Company
- Refrigerator6 Aug 2026US 2026/0227117 A1LG Electronics Inc.
- Frame unit9 Jul 2026US 2026/0192226 A1
- Assembled-type filter structure23 Apr 2026US 2026/0108835 A1Zhongshan Lvyuan Environmental Purification Technology Co., Ltd.
- Filtering Device15 Jan 2026US 2026/0014507 A1Shenzhen Chenbei Technology Co., Ltd.
- Filter device for gaseous media, filter element, use of a filter element, and method for assembling a filter device15 Jan 2026US 2026/0014508 A1Mann+Hummel GmbH
Most cited
By later US patents
- Zigzag filter media and frame having triangular pleat stabilizing elements86US 5,531,892 AMinnesota Mining and Manufacturing Company · 1996
- One piece filter media framework60US 5,273,564 AResearch Products Corporation · 1993
- Filter assembly54US 7,169,202 B23M Innovative Properties Company · 2007
- Filter cartridge having a filter element inserted in a flexurally rigid frame49US 6,164,457 AFirma Carl Freudenberg · 2000
- Filter media retaining assembly for an air filter45US 5,273,563 AResearch Products Corporation · 1993