B01D 46/0041
For feeding
Official title: {for feeding}
B01D46/0041 (For feeding) appears on 749 US grants and 869 published applications in this corpus.
Search patents in B01D- Granted patents
- 749
- Published applications
- 869
- Assignees
- 448
- Inventors
- 1,827
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 5 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 5 | 0 |
| 1986 | 5 | 0 |
| 1987 | 10 | 0 |
| 1988 | 4 | 0 |
| 1989 | 9 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 8 | 0 |
| 1993 | 5 | 0 |
| 1994 | 6 | 0 |
| 1995 | 3 | 0 |
| 1996 | 8 | 0 |
| 1997 | 5 | 0 |
| 1998 | 6 | 0 |
| 1999 | 13 | 0 |
| 2000 | 2 | 0 |
| 2001 | 6 | 5 |
| 2002 | 8 | 12 |
| 2003 | 11 | 7 |
| 2004 | 9 | 6 |
| 2005 | 3 | 12 |
| 2006 | 2 | 7 |
| 2007 | 4 | 11 |
| 2008 | 12 | 14 |
| 2009 | 13 | 27 |
| 2010 | 13 | 22 |
| 2011 | 9 | 16 |
| 2012 | 17 | 14 |
| 2013 | 12 | 21 |
| 2014 | 16 | 19 |
| 2015 | 21 | 35 |
| 2016 | 20 | 53 |
| 2017 | 46 | 52 |
| 2018 | 30 | 45 |
| 2019 | 33 | 59 |
| 2020 | 59 | 78 |
| 2021 | 42 | 78 |
| 2022 | 56 | 91 |
| 2023 | 58 | 57 |
| 2024 | 62 | 51 |
| 2025 | 45 | 40 |
| 2026 | 26 | 37 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Humidifier29 Sep 2026US 12,747,879 B2LG Electronics Inc.
- Personal protective anti-viral face mask15 Sep 2026US 12,734,378 B2lowa State University Research Foundation, Inc.
- Indoor air cleaning system8 Sep 2026US 12,729,868 B2Microjet Technology Co., Ltd.
- Robot air filter25 Aug 2026US 12,714,964 B2
- Integrated dust extractor and power tool11 Aug 2026US 12,703,053 B2Milwaukee Electric Tool Corporation
- Add on auto clean assembly for a vacuum filtration system of a dry bulk trailer and method of using the same8 Oct 2026US 2026/0306984 A1Bulk Tank, Inc.
- Systems, Methods, and Apparatuses for Producing and Packaging Medical Fluids8 Oct 2026US 2026/0307835 A1
- System and method for air decontamination24 Sep 2026US 2026/0284251 A1
- Substrate processing apparatus and substrate processing method17 Sep 2026US 2026/0275511 A1Wonik Ips Co., Ltd.
- Facility and gas exhaust system10 Sep 2026US 2026/0264295 A1Nordex Energy GmbH
Most cited
By later US patents
- Conical filter341US 5,902,364 ADonaldson Company, Inc. · 1999
- Reverse flow air filter arrangement and method292US 5,613,992 ADonaldson Company, Inc. · 1997
- Fluid filtration device and system265US 9,867,914 B2Buffalo Filter LLC · 2018
- Cylindrical air filter with radially directed seal258US 5,547,480 ADonaldson Company, Inc. · 1996
- Filter connection for a smoke evacuation device251US 10,631,916 B2Megadyne Medical Products, Inc. · 2020