B29C 48/256
Exchangeable extruder parts
Official title: {Exchangeable extruder parts (B29C48/691 takes precedence)}
B29C48/256 (Exchangeable extruder parts) appears on 539 US grants and 495 published applications in this corpus.
Search patents in B29C- Granted patents
- 539
- Published applications
- 495
- Assignees
- 360
- Inventors
- 1,105
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 5 | 0 |
| 1978 | 5 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 3 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 6 | 0 |
| 1987 | 14 | 0 |
| 1988 | 10 | 0 |
| 1989 | 7 | 0 |
| 1990 | 7 | 0 |
| 1991 | 5 | 0 |
| 1992 | 4 | 0 |
| 1993 | 12 | 0 |
| 1994 | 9 | 0 |
| 1995 | 5 | 0 |
| 1996 | 12 | 0 |
| 1997 | 7 | 0 |
| 1998 | 9 | 0 |
| 1999 | 4 | 0 |
| 2000 | 16 | 0 |
| 2001 | 12 | 1 |
| 2002 | 7 | 5 |
| 2003 | 9 | 11 |
| 2004 | 8 | 7 |
| 2005 | 5 | 17 |
| 2006 | 8 | 16 |
| 2007 | 12 | 11 |
| 2008 | 3 | 9 |
| 2009 | 12 | 18 |
| 2010 | 13 | 15 |
| 2011 | 5 | 21 |
| 2012 | 11 | 16 |
| 2013 | 8 | 21 |
| 2014 | 20 | 20 |
| 2015 | 20 | 29 |
| 2016 | 16 | 37 |
| 2017 | 22 | 40 |
| 2018 | 19 | 44 |
| 2019 | 33 | 24 |
| 2020 | 30 | 27 |
| 2021 | 19 | 23 |
| 2022 | 26 | 22 |
| 2023 | 19 | 16 |
| 2024 | 14 | 26 |
| 2025 | 16 | 13 |
| 2026 | 9 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Thermoplastic extrusion die25 Aug 2026US 12,715,169 B2Trillium Marketing, Inc.
- Extrusion facility with underground transfer of the tool module14 Jul 2026US 12,679,016 B2Compagnie Generale Des Etablissements Michelin
- Method for supporting molding of pulverized material resin material16 Jun 2026US 12,654,377 B2Nissei Plastic Industrial Co., Ltd.
- Biaxially oriented polyester film and production method therefor16 Jun 2026US 12,655,259 B2Toyobo Co., Ltd.
- Deposition process optimization system multi extruder and related method5 May 2026US 12,617,154 B2Roboze S.P.A.
- An Apparatus for Applying a Coating Material to a Wire20 Aug 2026US 2026/0241628 A1Tre Tau Engineering S.R.L.
- Die plate assembly for a pelletising apparatus, and a pelletising apparatus having same30 Jul 2026US 2026/0216938 A1Nordson Corporation
- Extruder16 Jul 2026US 2026/0200159 A1The Japan Steel Works, Ltd.
- Apparatus for degassing molten plastic material21 May 2026US 2026/0138321 A1Gamma Meccanica S.P.A.
- Mold for producing aerosol-generating article7 May 2026US 2026/0123663 A1
Most cited
By later US patents
- Apparatus for treating cellulosic materials110US 6,176,176 B1Board of Trustees operating Michigan State University · 2001
- Process for treating cellulosic materials101US 6,106,888 ABoard of Trustees operating Michigan State University · 2000
- Multicomponent continuous film die51US 4,435,141 APolyloom Corporation of America · 1984
- High-output apparatus for producing dense, uniformly layered meat analogue product50US 4,118,164 AWenger Manufacturing, Inc. · 1978
- Screw kneader for plastic material having a controlling mixing section49US 5,318,358 AWerner & Pfleiderer · 1994