B01D 35/023
Filler pipe filters
Official title: {Filler pipe filters}
B01D35/023 (Filler pipe filters) appears on 20 US grants and 24 published applications in this corpus.
Search patents in B01D- Granted patents
- 20
- Published applications
- 24
- Assignees
- 17
- Inventors
- 48
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 2 | 3 |
| 2017 | 0 | 4 |
| 2018 | 4 | 1 |
| 2019 | 1 | 1 |
| 2020 | 1 | 2 |
| 2021 | 0 | 1 |
| 2022 | 2 | 1 |
| 2023 | 0 | 1 |
| 2024 | 1 | 3 |
| 2025 | 3 | 3 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- In-line strainer30 Jun 2026US 12,667,799 B2Three-M Industry Co., Ltd.
- Fish screen for suction strainer14 Oct 2025US 12,442,148 B2
- Monolithic additively manufactured pump inlet housing and filter1 Jul 2025US 12,343,664 B2Hamilton Sundstrand Corporation
- Pump filter with predetermined swirl6 May 2025US 12,290,774 B2Hamilton Sundstrand Corporation
- Filter housing that accepts both single open end o-ring and double open end filter elements9 Jul 2024US 12,030,004 B2Parker-Hannifin Corporation
- Removable Pipe Filter Device14 Aug 2025US 2025/0256228 A1
- Fish screen for suction strainer27 Mar 2025US 2025/0101697 A1The United States of America as represented by the Secretary of Agriculture
- In-mold piping filter6 Mar 2025US 2025/0073624 A1Jun He Technology Co., Ltd.
- In-Line Strainer5 Dec 2024US 2024/0399275 A1Three-M Industry Co., Ltd.
- Water purification system for smart building3 Oct 2024US 2024/0327245 A1Geogrid Inc.
Most cited
By later US patents