B29C 48/84
By heating or cooling the feeding screws
Official title: by heating or cooling the feeding screws (for hollow screws B29C48/515)
B29C48/84 (By heating or cooling the feeding screws) appears on 97 US grants and 86 published applications in this corpus.
Search patents in B29C- Granted patents
- 97
- Published applications
- 86
- Assignees
- 93
- Inventors
- 233
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 7 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 3 | 5 |
| 2004 | 2 | 4 |
| 2005 | 2 | 3 |
| 2006 | 2 | 2 |
| 2007 | 1 | 3 |
| 2008 | 1 | 3 |
| 2009 | 0 | 1 |
| 2010 | 1 | 5 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 2 | 2 |
| 2014 | 1 | 5 |
| 2015 | 0 | 1 |
| 2016 | 2 | 5 |
| 2017 | 4 | 3 |
| 2018 | 2 | 5 |
| 2019 | 2 | 7 |
| 2020 | 3 | 6 |
| 2021 | 5 | 5 |
| 2022 | 4 | 4 |
| 2023 | 1 | 2 |
| 2024 | 4 | 5 |
| 2025 | 4 | 2 |
| 2026 | 1 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Machine for applying hot-melt products19 May 2026US 12,629,878 B2Focke Meler Gluing Solutions, S.A.
- Method and apparatus for extruder barrel and shaft cooling28 Oct 2025US 12,454,090 B2Corning Incorporated
- Food processing system including extruder with hollow core screw assembly16 Sep 2025US 12,414,579 B2Wenger Manufacturing, Inc.
- Method and device for producing a powder coating melt27 May 2025US 12,311,405 B2Coperion GmbH
- Device and a method for forming an object made of a polymeric material through the blowing of air into a tubular body4 Feb 2025US 12,214,539 B2Sacmi Cooperativa Meccanici Imola Societa' Cooperativa
- Mix for the production of microporous structures25 Jun 2026US 2026/0175478 A1Innospire Technologies GmbH
- Temperature control device for a plasticizing screw and/or a plasticizing cylinder of a plasticizing unit11 Jun 2026US 2026/0158722 A1
- A Variable Flow Recyclable Material Extrusion System and Method30 Apr 2026US 2026/0115989 A1Waste To Product Technologies Ltd.
- Extruder Plasticization Assembly30 Apr 2026US 2026/0115992 A1Bausano & Figli S.p.A.
- Material extrusion mechanism and molding machine16 Apr 2026US 2026/0102970 A1Seiko Epson Corporation
Most cited
By later US patents
- Extrusion apparatus and method65US 4,168,942 AApplied Plastics Co., Inc. · 1979
- Method and apparatus for extruding a low density thermoplastic foam64US 5,393,796 AAmesbury Industries, Inc. · 1995
- Method of producing an exfoliated polymer-clay nanocomposite through solid-state shear pulverization46US 7,223,359 B2Northwestern University · 2007
- Method and apparatus for extruding thermoplastic material39US 4,501,498 ALuwa AG · 1985
- Method and apparatus for production of foamed thermoplastic material32US 4,746,478 ASekisui Kaseihin Kogyo Kabushiki Kaisha · 1988