B01D 29/036
Ring shaped
Official title: {ring shaped}
B01D29/036 (Ring shaped) appears on 38 US grants and 25 published applications in this corpus.
Search patents in B01D- Granted patents
- 38
- Published applications
- 25
- Assignees
- 24
- Inventors
- 58
- Latest grant
- 20 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 2 |
| 2003 | 2 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 2 |
| 2017 | 0 | 0 |
| 2018 | 1 | 3 |
| 2019 | 0 | 1 |
| 2020 | 2 | 11 |
| 2021 | 2 | 1 |
| 2022 | 0 | 0 |
| 2023 | 7 | 1 |
| 2024 | 1 | 1 |
| 2025 | 2 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Subsea filter20 May 2025US 12,303,809 B2Blakemere Engineering Pty Ltd
- Liquid dispenser having fan housing14 Jan 2025US 12,193,422 B2LG Electronics Inc.
- Liquid dispenser having pump cover and filter29 Oct 2024US 12,127,538 B2LG Electronics Inc.
- Fermentation systems and methods in kombucha manufacture26 Dec 2023US 11,849,746 B1
- Liquid dispenser having container12 Dec 2023US 11,839,202 B2LG Electronics Inc.
- Variable crimped expanded metal filters, bi-directionally expanded metal filters, combinations thereof and expanding methods for manufacturing expanded sheet metal7 May 2026US 2026/0124560 A1ACS Industries, Inc.
- A self-cleaning filter for liquids12 Jun 2025US 2025/0186910 A1Filtereco S.R.L.
- Filter for a brake fluid reservoir4 Jan 2024US 2024/0001898 A1ZF Active Safety US Inc.
- Subsea filter26 Oct 2023US 2023/0338878 A1Blakemere Engineering Pty Ltd
- Cartridge group for fuel filtration6 May 2021US 2021/0129058 A1Ufi Filters S.P.A.
Most cited
By later US patents
- Peristaltic pump with removable rotor85US 5,857,843 AHarvest Technologies Corporation · 1999
- System for collection of blood without damage50US 6,663,586 B2Harvest Technologies Corporation · 2003
- Filter bag and connector cartridge37US 6,325,422 B1Harvest Technologies Corporation · 2001
- Coagulation reaction tank25US 5,160,041 AJapan Sewage Works Agency · 1992
- Fuel oil filter24US 4,126,557 AStanadyne, Inc. · 1978