B29C 48/72
Feedback means, i.e. part of the molten material being fed back into
Official title: Feedback means, i.e. part of the molten material being fed back into upstream stages of the extruder
B29C48/72 (Feedback means, i.e. part of the molten material being fed back into) appears on 22 US grants and 19 published applications in this corpus.
Search patents in B29C- Granted patents
- 22
- Published applications
- 19
- Assignees
- 23
- Inventors
- 49
- Latest grant
- 8 Oct 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 2 | 2 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 1 | 2 |
| 2016 | 0 | 1 |
| 2017 | 3 | 1 |
| 2018 | 0 | 1 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 2 | 5 |
| 2022 | 1 | 0 |
| 2023 | 2 | 0 |
| 2024 | 1 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Device for influencing the volumetric flow of extruded plastically deformable material8 Oct 2024US 12,109,758 B2Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e. V.
- Extruder system10 Oct 2023US 11,780,144 B2The Goodyear Tire & Rubber Company
- Extruder screw having paths within the screw, extruder, and extrusion method12 Sep 2023US 11,752,682 B2HSP Technologies Inc.
- Extruder screw having paths within the screw, extruder, and extrusion method11 Jan 2022US 11,220,022 B2HSP Technologies Inc.
- Extruder screw having paths within the screw, extruder, and extrusion method6 Apr 2021US 10,967,554 B2HSP Technologies Inc.
- Supercritical fluid-assisted polymer extrusion foaming device17 Apr 2025US 2025/0121548 A1Atlantic Global Enterprises, Inc.
- Device and method for the creating of supports, formworks, or structures made of foamed plastics, as well as device and method for the creating of constructions23 Dec 2021US 2021/0394441 A1Rebuild Sp. Z O.O.
- Device for influencing the volumetric flow of extruded plastically deformable material11 Nov 2021US 2021/0347117 A1Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e. V.
- 3D Printer for the Production of Spatial Plastic Molded Parts5 Aug 2021US 2021/0237361 A1Entex Rust & Mitschke GmbH
- Extruder system8 Jul 2021US 2021/0206044 A1The Goodyear Tire & Rubber Company
Most cited
By later US patents
- Method and apparatus for the continuous manufacture of rubber or polymer-based mixtures containing additives24US 4,897,236 AHermann Berstorff Maschinenbau GmbH · 1990
- Wood grain extrusions20US 8,197,733 B2Plastibec Inc. · 2012
- Extruder drivingly connected to gear pump18US 4,642,040 ANormag Corporation · 1987
- Mixer with feedback channel for measuring rheological properties of a mixture14US 6,129,450 AGebr. Haake GmbH · 2000
- Method of melt kneading, extrudate, and transparent resin material14US 8,975,336 B2National Institute of Advanced Industrial Science and Technology · 2015