B29C 45/581
Devices for influencing the material flow
Official title: {Devices for influencing the material flow, e.g. "torpedo constructions" or mixing devices}
B29C45/581 (Devices for influencing the material flow) appears on 74 US grants and 47 published applications in this corpus.
Search patents in B29C- Granted patents
- 74
- Published applications
- 47
- Assignees
- 54
- Inventors
- 165
- Latest grant
- 6 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 5 | 0 |
| 1978 | 5 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 0 |
| 2003 | 0 | 2 |
| 2004 | 2 | 3 |
| 2005 | 1 | 2 |
| 2006 | 4 | 1 |
| 2007 | 1 | 2 |
| 2008 | 1 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 2 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 2 |
| 2017 | 0 | 1 |
| 2018 | 1 | 3 |
| 2019 | 1 | 5 |
| 2020 | 1 | 1 |
| 2021 | 2 | 3 |
| 2022 | 0 | 3 |
| 2023 | 6 | 7 |
| 2024 | 3 | 5 |
| 2025 | 4 | 1 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Apparatus and method for making molded products6 Jan 2026US 12,515,385 B2Composite Technologies International, LLC
- Injection molding tool and method for the production thereof, and method for producing marbled molded parts14 Oct 2025US 12,441,038 B2BASF SE
- Method and device for producing marbled molded parts and method for producing the device14 Oct 2025US 12,441,039 B2BASF SE
- Plasticizing unit for a molding machine26 Aug 2025US 12,397,490 B2Engel Austria GmbH
- Core molding apparatus and core molding method12 Aug 2025US 12,384,082 B2Toyota Jidosha Kabushiki Kaisha
- Melter device for injection molding apparatus and injection-molded object using the same13 Aug 2026US 2026/0233447 A1Century Innovation Corporation
- Chaotic single-screw extrusion injection device8 Jan 2026US 2026/0008213 A1Wuyi University
- Method and component of a hot-injection apparatus13 Feb 2025US 2025/0050565 A1INGLASS S.p.A.
- Injection molding tool and method for the production thereof, and method for producing marbled molded parts11 Jul 2024US 2024/0227261 A9BASF SE
- Injection molding tool and method for the production thereof, and method for producing marbled molded parts25 Apr 2024US 2024/0131762 A1BASF SE
Most cited
By later US patents
- Static mixer and a method of manufacture thereof71US 7,198,400 B2Husky Injection Molding Systems Ltd. · 2007
- Static mixer for flowable materials, and related method40US 4,027,857 A1977
- Static mixer40US 4,848,920 AHusky Injection Molding Systems Ltd. · 1989
- Static mixing device for viscous melts31US 4,692,030 ASulzer Brothers Limited · 1987
- Static mixer with precision cast elements31US 6,769,801 B1Sulzer Chemtech AG · 2004