B29C 48/2554
Provided in or in the proximity of filter devices
Official title: {provided in or in the proximity of filter devices}
B29C48/2554 (Provided in or in the proximity of filter devices) appears on 40 US grants and 39 published applications in this corpus.
Search patents in B29C- Granted patents
- 40
- Published applications
- 39
- Assignees
- 33
- Inventors
- 81
- Latest grant
- 3 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 1 | 2 |
| 2005 | 0 | 1 |
| 2006 | 2 | 3 |
| 2007 | 2 | 0 |
| 2008 | 1 | 3 |
| 2009 | 1 | 2 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 4 |
| 2014 | 1 | 2 |
| 2015 | 0 | 2 |
| 2016 | 2 | 2 |
| 2017 | 3 | 1 |
| 2018 | 0 | 0 |
| 2019 | 2 | 1 |
| 2020 | 0 | 4 |
| 2021 | 1 | 1 |
| 2022 | 0 | 0 |
| 2023 | 2 | 3 |
| 2024 | 3 | 1 |
| 2025 | 1 | 4 |
By publication year. Applications have been published since 2001.
Recent patents
- Apparatus for filtering a fluid, in particular a plastic melt having impurities, and a valve arrangement for such a fluid3 Jun 2025US 12,318,712 B2Nordson Corporation
- Multiport valve unit for plastic melts and other medium- to high-viscosity liquids3 Dec 2024US 12,158,213 B2Gneuss GmbH
- Apparatus and method for filtration of polymer melt17 Sep 2024US 12,090,699 B2Starlinger & Co Gesellschaft M.B.H.
- Filtering device for highly viscous media21 May 2024US 11,986,989 B2Gneuss GmbH
- Modular fluid processing apparatuses, modular components and related methods15 Aug 2023US 11,724,431 B2PSI-Polymer Systems, Inc.
- Method for operating a filter device and filter device14 Aug 2025US 2025/0256227 A1Maag Germany GmbH
- Throttle grooves and control loop/method to achieve an optimized pressure constant backflush procedure of the screen cavity of a screen changer during backflush19 Jun 2025US 2025/0196422 A1Nordson Corporation
- Device for filtering a liquid plastic and corresponding operating method6 Mar 2025US 2025/0073622 A1Nordson Corporation
- Method for operating a filter device and filter device9 Jan 2025US 2025/0010224 A1Maag Germany GmbH
- Filtering device for plastic materials with cleaning system22 Aug 2024US 2024/0278153 A1
Most cited
By later US patents
- Valve device for diverting and combining fluid flows33US 4,224,958 A1980
- Filter changing valve unit21US 3,940,222 AJ. Zink Co., Inc. · 1976
- Apparatus for continuous polymer filtration21US 5,462,653 AHills, Inc. · 1995
- Filter apparatus for fluids to be cleaned18US 5,417,856 A1995
- Manufacturing method of different color pellets and manufacturing apparatus therefor15US 6,019,916 AThe Japan Steel Works, Ltd. · 2000