B01D 2275/203
Shapes flexible in their geometry
Official title: Shapes flexible in their geometry, e.g. bendable, adjustable to a certain size
B01D2275/203 (Shapes flexible in their geometry) appears on 140 US grants and 144 published applications in this corpus.
Search patents in B01D- Granted patents
- 140
- Published applications
- 144
- Assignees
- 89
- Inventors
- 319
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 5 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 1 |
| 2002 | 1 | 0 |
| 2003 | 5 | 7 |
| 2004 | 4 | 1 |
| 2005 | 2 | 2 |
| 2006 | 2 | 0 |
| 2007 | 0 | 3 |
| 2008 | 2 | 5 |
| 2009 | 3 | 4 |
| 2010 | 3 | 9 |
| 2011 | 3 | 1 |
| 2012 | 3 | 1 |
| 2013 | 2 | 5 |
| 2014 | 2 | 4 |
| 2015 | 2 | 3 |
| 2016 | 1 | 4 |
| 2017 | 4 | 12 |
| 2018 | 2 | 10 |
| 2019 | 9 | 5 |
| 2020 | 8 | 7 |
| 2021 | 8 | 14 |
| 2022 | 9 | 7 |
| 2023 | 8 | 17 |
| 2024 | 7 | 12 |
| 2025 | 7 | 4 |
| 2026 | 8 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- 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
- Power tool including an air filter and debris collector24 Mar 2026US 12,582,933 B2Milwaukee Electric Tool Corporation
- Outdoor air purifier including at least one filter element17 Mar 2026US 12,576,355 B2Mann+Hummel GmbH
- Computer farm ventilation system10 Mar 2026US 12,569,792 B1S-M Enterprises, Inc.
- Filter elements, related filter assembly and filter package13 Aug 2026US 2026/0233144 A1Donaldson Company, Inc.
- Filter elements and related filter assembly13 Aug 2026US 2026/0233145 A1Donaldson Company, Inc.
- Power tool including an air filter and debris collector23 Jul 2026US 2026/0208088 A1Milwaukee Electric Tool Corporation
- Hvac filter apparatus23 Apr 2026US 2026/0108834 A1Rz Industries, LLC
- Collapsible and foldable pleated disposable air filter26 Feb 2026US 2026/0054207 A1Woosh Air Inc.
Most cited
By later US patents
- Slanted inline filter319US 5,772,883 ADonaldson Company, Inc. · 1998
- Zigzag filter media and frame having triangular pleat stabilizing elements86US 5,531,892 AMinnesota Mining and Manufacturing Company · 1996
- Filter for the filtration of a fluid flow78US 5,679,122 AMinnesota Mining and Manufacturing Company · 1997
- Self supporting hot gas filter assembly76US 5,453,116 AMinnesota Mining and Manufacturing Company · 1995
- Collapsible auto expanding media filter74US 7,452,396 B2Honeywell International Inc. · 2008