B29C 48/2735
Using scrapers
Official title: {using scrapers}
B29C48/2735 (Using scrapers) appears on 25 US grants and 21 published applications in this corpus.
Search patents in B29C- Granted patents
- 25
- Published applications
- 21
- Assignees
- 16
- Inventors
- 37
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 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 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 2 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 2 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 0 | 3 |
| 2017 | 1 | 0 |
| 2018 | 0 | 3 |
| 2019 | 1 | 0 |
| 2020 | 1 | 0 |
| 2021 | 3 | 1 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 5 |
| 2025 | 2 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Discharge technology for plastic filters26 May 2026US 12,636,823 B2Ettlinger Kunststoffmaschinen GmbH
- Filtering device for molten polymeric materials with counterflow cleaning system2 Sep 2025US 12,403,642 B2
- Micro filter device used in plastic recycling28 Jan 2025US 12,208,543 B2Altek Plastik Makina Sanayi Veticaret Limited Sirketi
- Filter for plastic material31 Aug 2021US 11,103,812 B2
- Filtering device and cleaning unit for removing dirt particles from a filter element of a filtering device13 Apr 2021US 10,974,177 B2Nordson Corporation
- Filter assembly3 Sep 2026US 2026/0257414 A1Maag Germany GmbH
- Filtering device for molten polymeric materials with counterflow cleaning system14 Nov 2024US 2024/0375338 A1Break Machinery Srl
- Systems and Methods of Cleaning Extruders7 Nov 2024US 2024/0367363 A1
- Filtering device for plastic materials with cleaning system22 Aug 2024US 2024/0278153 A1
- Discharge technology for plastic filters15 Feb 2024US 2024/0051211 A1Ettlinger Kunststoffmaschinen GmbH
Most cited
By later US patents
- Method and apparatus for cleaning thermoplastic materials21US 4,177,234 AMetals & Plastics, Inc. · 1979
- On-the-fly long-running rotary filtration screen device15US 5,618,423 A1997
- Mechanism for separating materials of varying consistency13US 4,470,904 A1984
- Filter for plastic material11US 11,103,812 B22021
- Foreign material removing device in synthetic resin reclaiming machine11US 4,174,198 ANihon Repro Machine Kogyo Kabushiki Kaisha · 1979