B01D 46/009
Identification of filter type or position thereof
Official title: {Identification of filter type or position thereof, e.g. by transponders or bar codes}
B01D46/009 (Identification of filter type or position thereof) appears on 191 US grants and 231 published applications in this corpus.
Search patents in B01D- Granted patents
- 191
- Published applications
- 231
- Assignees
- 84
- Inventors
- 419
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 2 | 3 |
| 2004 | 4 | 5 |
| 2005 | 2 | 3 |
| 2006 | 4 | 5 |
| 2007 | 3 | 1 |
| 2008 | 0 | 1 |
| 2009 | 3 | 5 |
| 2010 | 0 | 5 |
| 2011 | 5 | 9 |
| 2012 | 3 | 9 |
| 2013 | 9 | 7 |
| 2014 | 5 | 10 |
| 2015 | 6 | 5 |
| 2016 | 8 | 21 |
| 2017 | 13 | 8 |
| 2018 | 9 | 22 |
| 2019 | 17 | 16 |
| 2020 | 21 | 15 |
| 2021 | 14 | 24 |
| 2022 | 12 | 17 |
| 2023 | 18 | 17 |
| 2024 | 12 | 8 |
| 2025 | 10 | 12 |
| 2026 | 5 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Haircare appliance29 Sep 2026US 12,746,492 B2Dyson Technology Limited
- Air purifier7 Jul 2026US 12,673,285 B2BISSELL Inc.
- Filter cartridges; air cleaner assemblies; housings; features; components; and, methods21 Apr 2026US 12,605,661 B2Donaldson Company, Inc.
- Filter assemblies with alignment features10 Mar 2026US 12,569,793 B2Cummins Filtration Inc.
- Device for detecting a filter loading17 Feb 2026US 12,551,833 B2Ford Global Technologies, LLC
- Filter element and filter device27 Aug 2026US 2026/0249224 A1Mann+Hummel GmbH
- Method and apparatus for controlling and cleaning a cooking hood29 Jan 2026US 2026/0027504 A1Intellinox Inc.
- Brake dust particle filter device, and control system for the device4 Dec 2025US 2025/0369490 A1MANN+HUMMEL Ventures Pte. Ltd.
- Portable dust extractor16 Oct 2025US 2025/0318702 A1Milwaukee Electric Tool Corporation
- Endplate with guide feature5 Jun 2025US 2025/0177893 A1Cummins Filtration IP, Inc.
Most cited
By later US patents
- Device and method for monitoring the integrity of filtering installations289US 7,048,775 B2Sartorius AG · 2006
- Surgery plume filter device and method of filtering123US 5,522,808 AEnviroSurgical, Inc. · 1996
- HVAC localized air filter assembly system117US 6,814,660 B12004
- Assembly of filtering apparatus and replaceable filter; and filtering apparatus and filter for use therein103US 5,674,381 ADoctro A.V.V. · 1997
- Air cleaner arrangements; components; and, methods98US 8,038,756 B2Donaldson Company, Inc. · 2011