B29C 48/6912
The filters being fitted on a single rectilinearly reciprocating slide
Official title: {the filters being fitted on a single rectilinearly reciprocating slide (B29C48/692 takes precedence)}
B29C48/6912 (The filters being fitted on a single rectilinearly reciprocating slide) appears on 93 US grants and 61 published applications in this corpus.
Search patents in B29C- Granted patents
- 93
- Published applications
- 61
- Assignees
- 59
- Inventors
- 143
- Latest grant
- 28 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 0 |
| 2002 | 3 | 1 |
| 2003 | 3 | 1 |
| 2004 | 0 | 2 |
| 2005 | 0 | 2 |
| 2006 | 2 | 2 |
| 2007 | 1 | 1 |
| 2008 | 1 | 5 |
| 2009 | 1 | 3 |
| 2010 | 0 | 0 |
| 2011 | 2 | 3 |
| 2012 | 1 | 0 |
| 2013 | 0 | 5 |
| 2014 | 3 | 4 |
| 2015 | 1 | 3 |
| 2016 | 3 | 2 |
| 2017 | 0 | 1 |
| 2018 | 2 | 4 |
| 2019 | 1 | 4 |
| 2020 | 3 | 1 |
| 2021 | 2 | 3 |
| 2022 | 2 | 4 |
| 2023 | 3 | 4 |
| 2024 | 3 | 1 |
| 2025 | 4 | 2 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Filtration apparatuses and screen changer devices for polymer processing and related methods4 Feb 2025US 12,214,536 B2PSI-Polymer Systems, Inc.
- Fluid filtering system with backflush valve and methods of operating the same26 Nov 2024US 12,151,187 B2Nordson Corporation
- Filter assembly3 Sep 2026US 2026/0257414 A1Maag Germany GmbH
- Filtering Apparatus28 May 2026US 2026/0145105 A1Maag Germany GmbH
- Filtering device for filtering a fluid and a method for venting and backflushing1 Jan 2026US 2026/0001266 A1Nordson Corporation
- 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
Most cited
By later US patents
- Screen changer36US 3,962,092 AThe Dow Chemical Company · 1976
- Filter screen exchanging apparatus for plastic extruder33US 4,167,384 AThe Japan Steel Works, Ltd. · 1979
- Slide filters26US 4,059,525 A1977
- Filter apparatus having filter elements shiftable between filtering and backwashing positions25US 4,752,386 AErema Engineering-Recycling · 1988
- Screen/diverter changing mechanism for extruders24US 4,416,605 AKabushiki Kaisha Kobe Seiko Sho · 1983