B01D 2275/207
Triangular shape
B01D2275/207 (Triangular shape) appears on 19 US grants and 31 published applications in this corpus.
Search patents in B01D- Granted patents
- 19
- Published applications
- 31
- Assignees
- 11
- Inventors
- 58
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2006 | 0 | 1 |
| 2007 | 0 | 2 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 1 | 4 |
| 2013 | 1 | 1 |
| 2014 | 1 | 3 |
| 2015 | 1 | 0 |
| 2016 | 1 | 0 |
| 2017 | 2 | 2 |
| 2018 | 0 | 1 |
| 2019 | 2 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 3 |
| 2022 | 0 | 4 |
| 2023 | 1 | 1 |
| 2024 | 2 | 3 |
| 2025 | 2 | 2 |
| 2026 | 2 | 1 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Foldable filter bags, filter bag support assemblies, and filter bag assemblies21 Apr 2026US 12,605,664 B2Donaldson Company, Inc.
- Filter assemblies and elements utilizing multilayered and wrapped filter media6 Jan 2026US 12,515,162 B2Atmus Filtration IP Inc.
- Air filter systems, filter bag assemblies, filter bags and methods11 Nov 2025US 12,465,881 B2Donaldson Company, Inc.
- Enlarged opening filter bags, support assemblies, and filter bag assemblies27 May 2025US 12,311,302 B2Donaldson Company, Inc.
- Ovate tubular filter cartridges and filter systems using the same17 Sep 2024US 12,090,435 B2Donaldson Company, Inc.
- Filter assemblies and elements utilizing multilayered and wrapped filter media4 Jun 2026US 2026/0151723 A1Atmus Filtration IP Inc.
- Air filter and use of a filter element in an air filter18 Sep 2025US 2025/0288931 A1Mann+Hummel GmbH
- Enlarged opening filter bags, support assemblies, and filter bag assemblies14 Aug 2025US 2025/0256231 A1Donaldson Company, Inc.
- Ovate tubular filter cartridges and filter systems using the same12 Dec 2024US 2024/0408529 A1Donaldson Company, Inc.
- Air filter systems, filter bag assemblies, filter bags and methods11 Apr 2024US 2024/0115983 A1Donaldson Company, Inc.
Most cited
By later US patents
- Nozzle arrangements and method for cleaning filter elements31US 8,075,648 B2Donaldson Company, Inc. · 2011
- Space optimized coalescer23US 8,114,183 B2Cummins Filtration IP, Inc. · 2012
- Air filter for a scoop13US 7,452,395 B2K&N Engineering, Inc. · 2008
- Radial pleat design and collapsible filter element8US 9,370,742 B2BHA Altair, LLC · 2016
- Ovate tubular filter cartridges and filter systems using the same6US 9,630,134 B2Donaldson Company, Inc. · 2017