B01D 46/46
Automatic
Official title: automatic
B01D46/46 (Automatic) appears on 475 US grants and 561 published applications in this corpus.
Search patents in B01D- Granted patents
- 475
- Published applications
- 561
- Assignees
- 347
- Inventors
- 1,334
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 7 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 7 | 0 |
| 1997 | 6 | 0 |
| 1998 | 5 | 0 |
| 1999 | 5 | 0 |
| 2000 | 8 | 0 |
| 2001 | 5 | 3 |
| 2002 | 3 | 3 |
| 2003 | 9 | 9 |
| 2004 | 7 | 8 |
| 2005 | 5 | 9 |
| 2006 | 4 | 11 |
| 2007 | 8 | 12 |
| 2008 | 6 | 9 |
| 2009 | 4 | 14 |
| 2010 | 3 | 17 |
| 2011 | 8 | 9 |
| 2012 | 12 | 8 |
| 2013 | 10 | 8 |
| 2014 | 5 | 11 |
| 2015 | 7 | 5 |
| 2016 | 10 | 15 |
| 2017 | 10 | 32 |
| 2018 | 14 | 15 |
| 2019 | 12 | 27 |
| 2020 | 19 | 49 |
| 2021 | 24 | 66 |
| 2022 | 46 | 67 |
| 2023 | 46 | 51 |
| 2024 | 39 | 40 |
| 2025 | 44 | 28 |
| 2026 | 26 | 35 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Vehicle, fleet, and method for treating environment air15 Sep 2026US 12,734,886 B2MANN+HUMMEL Ventures Pte. Ltd.
- Maskless respiratory, skin, and eye protection device for aerosols and vapors including chemical, biological, radiological, nuclear, and explosive (cbrne) contaminants8 Sep 2026US 12,728,301 B2Patient Knowhow, Inc.
- Indoor air cleaning system8 Sep 2026US 12,729,868 B2Microjet Technology Co., Ltd.
- System for reducing atmospheric pollution generated in printing house, and operation method therefor1 Sep 2026US 12,722,110 B2The Seoul Institute
- Method for calculating filter load estimation, system for cleaning environmental air, and vehicle comprising same25 Aug 2026US 12,714,962 B2MANN+HUMMEL Ventures Pte. Ltd.
- Air filtration assembly with airflow feedback1 Oct 2026US 2026/0295492 A1Apex Brands, Inc.
- Air filtration system with main and subsidiary assemblies1 Oct 2026US 2026/0295493 A1Apex Brands, Inc.
- Air filtration assembly with air quality control24 Sep 2026US 2026/0284564 A1Apex Brands, Inc.
- Air filtration assembly with positioning aid24 Sep 2026US 2026/0284766 A1Apex Brands, Inc.
- Substrate processing apparatus and substrate processing method17 Sep 2026US 2026/0275511 A1Wonik Ips Co., Ltd.
Most cited
By later US patents
- Air filtration system with filter efficiency management373US 6,391,102 B1Stackhouse, Inc. · 2002
- Dual mode laser smoke evacuation system with sequential filter monitor and vacuum compensation360US 5,242,474 ASorenson Laboratories, Inc. · 1993
- Gas purifier262US 6,030,437 AU. S. Philips Corporation · 2000
- Fire condition detection and control system for air moving and filtering units228US 4,818,970 AGPAC, Inc. · 1989
- Pre-filtration and maintenance sensing for explosion-proof enclosures228US 9,302,213 B2Cooper Technologies Company · 2016