B29C 48/268
Throttling of the flow
Official title: {Throttling of the flow, e.g. for cooperating with plasticising elements or for degassing (flow control means B29C48/255)}
B29C48/268 (Throttling of the flow) appears on 126 US grants and 104 published applications in this corpus.
Search patents in B29C- Granted patents
- 126
- Published applications
- 104
- Assignees
- 89
- Inventors
- 311
- Latest grant
- 23 Sep 2025
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| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 4 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
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| 1992 | 2 | 0 |
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| 1994 | 3 | 0 |
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| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 5 | 1 |
| 2002 | 2 | 1 |
| 2003 | 2 | 4 |
| 2004 | 1 | 0 |
| 2005 | 2 | 4 |
| 2006 | 1 | 5 |
| 2007 | 2 | 6 |
| 2008 | 3 | 3 |
| 2009 | 2 | 7 |
| 2010 | 3 | 7 |
| 2011 | 2 | 2 |
| 2012 | 5 | 6 |
| 2013 | 1 | 3 |
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| 2015 | 4 | 6 |
| 2016 | 8 | 2 |
| 2017 | 5 | 7 |
| 2018 | 2 | 14 |
| 2019 | 7 | 6 |
| 2020 | 7 | 1 |
| 2021 | 4 | 4 |
| 2022 | 5 | 3 |
| 2023 | 2 | 1 |
| 2024 | 2 | 2 |
| 2025 | 5 | 2 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Method for producing small-particle preparations of biologically active substances71US 6,318,650 B1BASF SE · 2001
- Screw extruder with improved dispersive mixing elements38US 6,136,246 ARauwendaal Extrusion Engineering, Inc. · 2000
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- Mixing apparatus36US 4,184,772 AFrenkel C-D Aktiengesellschaft · 1980
- Apparatus for degassing thermoplastic synthetic plastics material30US 5,651,944 A1997