B01D 29/902
Containing fixed liquid displacement elements or cores
Official title: {containing fixed liquid displacement elements or cores}
B01D29/902 (Containing fixed liquid displacement elements or cores) appears on 380 US grants and 246 published applications in this corpus.
Search patents in B01D- Granted patents
- 380
- Published applications
- 246
- Assignees
- 218
- Inventors
- 630
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 8 | 0 |
| 1978 | 4 | 0 |
| 1979 | 5 | 0 |
| 1980 | 5 | 0 |
| 1981 | 7 | 0 |
| 1982 | 0 | 0 |
| 1983 | 6 | 0 |
| 1984 | 4 | 0 |
| 1985 | 10 | 0 |
| 1986 | 8 | 0 |
| 1987 | 7 | 0 |
| 1988 | 6 | 0 |
| 1989 | 6 | 0 |
| 1990 | 19 | 0 |
| 1991 | 5 | 0 |
| 1992 | 9 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 7 | 0 |
| 1996 | 15 | 0 |
| 1997 | 14 | 0 |
| 1998 | 7 | 0 |
| 1999 | 13 | 0 |
| 2000 | 11 | 0 |
| 2001 | 10 | 9 |
| 2002 | 6 | 14 |
| 2003 | 15 | 18 |
| 2004 | 12 | 16 |
| 2005 | 14 | 15 |
| 2006 | 14 | 5 |
| 2007 | 5 | 6 |
| 2008 | 4 | 7 |
| 2009 | 5 | 18 |
| 2010 | 8 | 4 |
| 2011 | 5 | 3 |
| 2012 | 9 | 11 |
| 2013 | 6 | 2 |
| 2014 | 3 | 2 |
| 2015 | 7 | 5 |
| 2016 | 3 | 5 |
| 2017 | 2 | 2 |
| 2018 | 3 | 11 |
| 2019 | 9 | 10 |
| 2020 | 4 | 6 |
| 2021 | 8 | 12 |
| 2022 | 11 | 15 |
| 2023 | 10 | 11 |
| 2024 | 9 | 10 |
| 2025 | 3 | 10 |
| 2026 | 6 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Cyclone separator and dishwasher4 Aug 2026US 12,697,628 B2Guangdong Midea White Home Appliance Technology Innovation Center Co., Ltd.
- Liquid-submersible vacuum system and components thereof28 Jul 2026US 12,692,715 B2
- Fluid filtration system with single use filter and integrated integrity test device and method of using same2 Jun 2026US 12,643,062 B2Cytiva US LLC
- Impeller for laundry appliance that incorporates a filtering cap for separating particulate matter from wash fluid within the appliance2 Jun 2026US 12,644,219 B2Whirlpool Corporation
- 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
- Downhole filter6 Aug 2026US 2026/0225009 A1Baker Hughes Oilfield Operations LLC
- Washing machine and filter device for washing machine30 Jul 2026US 2026/0218435 A1LG Electronics Inc.
Most cited
By later US patents
- Arterial blood filter with upwardly inclining delivery inlet conduit118US 5,632,894 AGish Biomedical, Inc. · 1997
- Blood filter with concentric pleats and method of use111US 5,651,765 AAvecor Cardiovascular, Inc. · 1997
- Filter element assembly replaceable mesh pack102US 4,812,235 AHR Textron, Inc. · 1989
- Fuel filter and water separator apparatus88US 4,298,465 ARacor Industries, Inc. · 1981
- Filtration method and apparatus86US 4,790,942 AMembrex, Inc. · 1988