B29C 48/6914
The filters being fitted on a rotatable or pivotable disc or on
Official title: {the filters being fitted on a rotatable or pivotable disc or on the circumference of a rotatable or pivotable cylinder}
B29C48/6914 (The filters being fitted on a rotatable or pivotable disc or on) appears on 53 US grants and 35 published applications in this corpus.
Search patents in B29C- Granted patents
- 53
- Published applications
- 35
- Assignees
- 29
- Inventors
- 70
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
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| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 5 | 0 |
| 2002 | 4 | 1 |
| 2003 | 3 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 1 | 3 |
| 2009 | 0 | 1 |
| 2010 | 1 | 4 |
| 2011 | 1 | 0 |
| 2012 | 2 | 0 |
| 2013 | 1 | 2 |
| 2014 | 0 | 2 |
| 2015 | 1 | 2 |
| 2016 | 1 | 3 |
| 2017 | 2 | 1 |
| 2018 | 1 | 1 |
| 2019 | 1 | 2 |
| 2020 | 3 | 0 |
| 2021 | 0 | 2 |
| 2022 | 2 | 2 |
| 2023 | 1 | 1 |
| 2024 | 1 | 2 |
| 2025 | 2 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Filter device for PVC plastic melt for connection to a twin screw extruder and twin screw extruder for PVC processing21 Jul 2026US 12,686,158 B2Gneuss GmbH
- 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
- Micro filter device used in plastic recycling28 Jan 2025US 12,208,543 B2Altek Plastik Makina Sanayi Veticaret Limited Sirketi
- Filtering device for highly viscous media21 May 2024US 11,986,989 B2Gneuss GmbH
- Device for the continuous filtration of molten plastic material14 Nov 2023US 11,813,556 B2FIMIC s.r.l.
- Method for operating a filter device and filter device14 Aug 2025US 2025/0256227 A1Maag Germany GmbH
- Screen wheel filter device for the high-pressure filtration of a plastic melt16 Jan 2025US 2025/0018633 A1Gneuss GmbH
- Filter device for pvc plastic melt for connection to a twin screw extruder and twin screw extruder for pvc processing28 Nov 2024US 2024/0391154 A1Gneuss GmbH
- Improvements made on a micro filter device used in plastic recycling18 Jan 2024US 2024/0017446 A1Altek Plastik Makina Sanayi Veticaret Limited Sirketi
- Apparatus for filtering a fluid, in particular a plastic melt having impurities, and a valve arrangement for such a fluid9 Nov 2023US 2023/0356118 A1Nordson Corporation
Most cited
By later US patents
- Process and apparatus for forming plastic sheet54US 6,183,829 B2Rohm and Haas Company · 2001
- Filtering arrangement for thermoplastics materials28US 4,332,541 AHermann Berstorff Maschinenbau GmbH · 1982
- Sieve arrangement for cleaning synthetic plastic melts24US 5,090,887 AGneuss Kunststofftechnik GmbH · 1992
- Apparatus for continuously filtering plastic melt with noninterruptive purge23US 4,486,304 A1984
- Polymer filter with backflush pump22US 5,141,631 AJohn Brown Inc. · 1992