G01N 2001/2288
Filter arrangements
Official title: {Filter arrangements}
G01N2001/2288 (Filter arrangements) appears on 46 US grants and 58 published applications in this corpus.
Search patents in G01N- Granted patents
- 46
- Published applications
- 58
- Assignees
- 50
- Inventors
- 140
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 4 |
| 2014 | 1 | 1 |
| 2015 | 2 | 1 |
| 2016 | 3 | 0 |
| 2017 | 0 | 4 |
| 2018 | 2 | 8 |
| 2019 | 6 | 6 |
| 2020 | 7 | 8 |
| 2021 | 4 | 3 |
| 2022 | 5 | 6 |
| 2023 | 6 | 5 |
| 2024 | 5 | 4 |
| 2025 | 2 | 5 |
| 2026 | 2 | 2 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Systems and processes for detecting aerosolized viral loads24 Mar 2026US 12,584,841 B2Opteev Technologies, Inc.
- Soil respiration device, a system having such devices, and methods of using the systems13 Jan 2026US 12,523,578 B2
- Modular reflux sampler2 Dec 2025US 12,487,150 B2Kinetics Technology Corporation
- Dust particulate separator for ducted smoke detectors1 Jul 2025US 12,345,691 B2Kidde Technologies, Inc.
- Device for collecting particulate matter10 Sep 2024US 12,083,463 B2Cole-Parmer Instrument Company
- Soil Respiration Device, A System Having Such Devices, and Methods of Using the Systems14 May 2026US 2026/0133100 A1
- Electronic nose with gas exchange system23 Apr 2026US 2026/0110652 A1Ainos, Inc.
- Method, apparatus and system for the for collection and quantification of mycotoxins within the built environment13 Nov 2025US 2025/0347595 A1
- Air sampling apparatus28 Aug 2025US 2025/0271335 A1Frontier Microscopy US Inc.
- System and Method to Control Particle Deposition on a Filter Membrane21 Aug 2025US 2025/0264382 A1Skc Co., Ltd.
Most cited
By later US patents
- Apparatus and methods for controlling attention of a robot55US 9,186,793 B1Brain Corporation · 2015
- Method for detecting substance to be detected containing at least one component that is dispersible in air in the form of solid particles12US 7,846,742 B2ICTS Europe Holdings B.V. · 2010
- End of service life indicator for respirator9US 9,011,584 B2Honeywell International Inc. · 2015
- Apparatus and methods for controlling attention of a robot9US 9,868,208 B2GoPro, Inc. · 2018
- Apparatus and methods for controlling attention of a robot7US 9,446,515 B1Brain Corporation · 2016