B29C 48/388
Using a screw extruder and a ram or piston
Official title: {using a screw extruder and a ram or piston}
B29C48/388 (Using a screw extruder and a ram or piston) appears on 83 US grants and 60 published applications in this corpus.
Search patents in B29C- Granted patents
- 83
- Published applications
- 60
- Assignees
- 58
- Inventors
- 190
- Latest grant
- 6 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 4 | 3 |
| 2002 | 2 | 3 |
| 2003 | 3 | 1 |
| 2004 | 2 | 2 |
| 2005 | 2 | 3 |
| 2006 | 1 | 4 |
| 2007 | 2 | 0 |
| 2008 | 2 | 4 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 2 | 1 |
| 2012 | 2 | 2 |
| 2013 | 2 | 3 |
| 2014 | 2 | 0 |
| 2015 | 0 | 2 |
| 2016 | 1 | 3 |
| 2017 | 0 | 1 |
| 2018 | 2 | 3 |
| 2019 | 3 | 2 |
| 2020 | 1 | 3 |
| 2021 | 2 | 3 |
| 2022 | 2 | 4 |
| 2023 | 1 | 3 |
| 2024 | 2 | 1 |
| 2025 | 4 | 4 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Apparatus and method for producing objects in continuous cycle from plastic material6 Jan 2026US 12,515,384 B2Sacmi Cooperativa Meccanici Imola Societa' Cooperativa
- Die lip opening/closing device7 Oct 2025US 12,434,418 B2Kyoraku Co., Ltd.
- Conduit inserts for encapsulant compound formulation kneading and encapsulation back-end assembly processes16 Sep 2025US 12,415,305 B2NXP USA, Inc.
- Method for consolidating a bulk molding compound3 Jun 2025US 12,318,987 B2The Boeing Company
- Method for 3D-micro-patterning21 Jan 2025US 12,201,731 B2
- Method for dispensing discrete volumes23 Jul 2026US 2026/0208447 A1Arburg GmbH + Co KG
- Apparatus and method for producing objects in continuous cycle from plastic material26 Mar 2026US 2026/0084350 A1Sacmi Cooperativa Meccanici Imola Societa' Cooperativa
- Motor core manufacturing device, and motor core manufacturing method8 Jan 2026US 2026/0008212 A1NHK Spring Co., Ltd.
- Apparatus and method for producing objects in continuous cycle from plastic material6 Nov 2025US 2025/0339998 A1Sacmi Cooperativa Meccanici Imola Societa' Cooperativa
- Extrusion device5 Jun 2025US 2025/0178254 A1Aisapack Holding S.A.
Most cited
By later US patents
- Process for producing a molded product from recycled carpet waste102US 6,306,318 B1Selectech, Ltd. · 2001
- Process for continuously producing polyester articles with scrap recycle in a continuous melt-to-preform process93US 5,945,460 AEastman Chemical Company · 1999
- Injection molding of polymeric material85US 6,884,823 B1Trexel, Inc. · 2005
- Fiber reinforced resin composites, method of manufacture and improved composite products76US 5,273,819 A1993
- Extruder apparatus and process for compounding thermoplastic resin and fibres61US 5,165,941 AComposite Products, Inc. · 1992