B01D 29/90
For feeding
Official title: for feeding
B01D29/90 (For feeding) appears on 931 US grants and 620 published applications in this corpus.
Search patents in B01D- Granted patents
- 931
- Published applications
- 620
- Assignees
- 543
- Inventors
- 1,676
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 12 | 0 |
| 1978 | 9 | 0 |
| 1979 | 8 | 0 |
| 1980 | 12 | 0 |
| 1981 | 18 | 0 |
| 1982 | 9 | 0 |
| 1983 | 11 | 0 |
| 1984 | 15 | 0 |
| 1985 | 23 | 0 |
| 1986 | 15 | 0 |
| 1987 | 14 | 0 |
| 1988 | 14 | 0 |
| 1989 | 24 | 0 |
| 1990 | 36 | 0 |
| 1991 | 17 | 0 |
| 1992 | 23 | 0 |
| 1993 | 13 | 0 |
| 1994 | 16 | 0 |
| 1995 | 20 | 0 |
| 1996 | 31 | 0 |
| 1997 | 23 | 0 |
| 1998 | 17 | 0 |
| 1999 | 28 | 0 |
| 2000 | 27 | 0 |
| 2001 | 20 | 12 |
| 2002 | 22 | 25 |
| 2003 | 27 | 33 |
| 2004 | 25 | 28 |
| 2005 | 21 | 23 |
| 2006 | 19 | 12 |
| 2007 | 11 | 14 |
| 2008 | 11 | 12 |
| 2009 | 6 | 22 |
| 2010 | 11 | 14 |
| 2011 | 11 | 13 |
| 2012 | 16 | 27 |
| 2013 | 16 | 20 |
| 2014 | 12 | 19 |
| 2015 | 19 | 32 |
| 2016 | 14 | 18 |
| 2017 | 20 | 19 |
| 2018 | 21 | 29 |
| 2019 | 25 | 28 |
| 2020 | 29 | 31 |
| 2021 | 23 | 39 |
| 2022 | 28 | 36 |
| 2023 | 29 | 32 |
| 2024 | 19 | 20 |
| 2025 | 16 | 28 |
| 2026 | 14 | 34 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Pool skimmer6 Oct 2026US 12,753,619 B1Sichuan Cootway Technology Co., Ltd.
- Downhole filter29 Sep 2026US 12,746,488 B2Baker Hughes Oilfield Operations LLC
- Apparatus and method for processing substrate22 Sep 2026US 12,741,239 B2Semes Co., Ltd.
- Pool skimmer1 Sep 2026US 12,723,423 B1Sichuan Cootway Technology Co., Ltd.
- Cyclone separator and dishwasher4 Aug 2026US 12,697,628 B2Guangdong Midea White Home Appliance Technology Innovation Center Co., Ltd.
- Filter device for removing particles from a fluid1 Oct 2026US 2026/0295603 A1Mst Nl B.V.
- Filter device for removing particles from a liquid24 Sep 2026US 2026/0284560 A1Mst Nl B.V.
- Fluid filtration system with single use filter and integrated integrity test device and method of using same17 Sep 2026US 2026/0273442 A1Cytiva US LLC
- Vortical cross-flow filtration system10 Sep 2026US 2026/0263971 A1Cleanr Inc.
- Impeller for laundry appliance that incorporates a filtering cap for separating particulate matter from wash fluid within the appliance10 Sep 2026US 2026/0265987 A1Whirlpool Corporation
Most cited
By later US patents
- Quick-change filter cartridge and head therefor175US 4,735,716 ACuno Corporated · 1988
- Arterial blood filter with improved gas venting135US 4,411,783 AShiley Incorporated · 1983
- Stackable filter head unit130US 4,192,750 AMassey-Ferguson Inc. · 1980
- Quick-change filter cartridge and head therefor130US 4,877,521 ACuno Incorporated · 1989
- Wire mesh filter123US 5,849,188 ABaker Hughes Incorporated · 1998