B29C 48/0255
For extruding parallel streams of material
Official title: {for extruding parallel streams of material, e.g. several separate parallel streams of extruded material forming separate articles (B29C48/0013, B29C48/345 takes precedence)}
B29C48/0255 (For extruding parallel streams of material) appears on 66 US grants and 86 published applications in this corpus.
Search patents in B29C- Granted patents
- 66
- Published applications
- 86
- Assignees
- 63
- Inventors
- 160
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 2 |
| 2004 | 2 | 3 |
| 2005 | 1 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 2 | 2 |
| 2010 | 0 | 1 |
| 2011 | 0 | 5 |
| 2012 | 3 | 9 |
| 2013 | 4 | 2 |
| 2014 | 2 | 4 |
| 2015 | 7 | 3 |
| 2016 | 1 | 11 |
| 2017 | 2 | 5 |
| 2018 | 5 | 3 |
| 2019 | 6 | 5 |
| 2020 | 5 | 4 |
| 2021 | 5 | 3 |
| 2022 | 1 | 4 |
| 2023 | 2 | 1 |
| 2024 | 2 | 7 |
| 2025 | 1 | 5 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System for continuous manufacturing of semi-finished products16 Jun 2026US 12,654,380 B2Compagnie Generales Des Etablissements Michelin
- Extrusion technique for forming polymer preforms, and tube-forming technique21 Apr 2026US 12,605,873 B2Kautex Maschinenbau System GmbH
- Multiplexed 3D printing3 Feb 2026US 12,539,667 B2Rutgers, The State University of New Jersey
- Apparatus and method for producing objects in continuous cycle from plastic material6 Jan 2026US 12,515,384 B2Sacmi Cooperativa Meccanici Imola Societa' Cooperativa
- Extrusion head arrangement4 Nov 2025US 12,459,183 B2W. Müller GmbH
- Separation Device Having a Strip-Shaped Separation Element11 Jun 2026US 2026/0158707 A1Kocher-Plastik Maschinenbau GmbH
- Apparatus and method for producing objects in continuous cycle from plastic material26 Mar 2026US 2026/0084350 A1Sacmi Cooperativa Meccanici Imola Societa' Cooperativa
- Parison forming head group with variable interaxial distance26 Feb 2026US 2026/0054441 A1MAGIC MP S.p.A.
- Dual pipe manufacturing cell27 Mar 2025US 2025/0100206 A1Advanced Drainage Systems, Inc.
- Systems and methods for producing a bundle of filaments and/or a yarn13 Feb 2025US 2025/0051975 A1Aladdin Manufacturing Corporation
Most cited
By later US patents
- Oscillating grip strip for recloseable plastic bags and method and apparatus for making the same112US 5,259,904 AMinigrip, Inc. · 1993
- Perforated tear strip for easy-open flexible containers86US 5,121,997 AIllinois Tool Words Inc. · 1992
- Reclosable plastic bag with oscillating grip strip79US 5,382,094 AMinigrip, Inc. · 1995
- Slot-cast intergrated interlocking film closure structure72US 4,755,248 AThe Dow Chemical Company · 1988
- Venting reclosable bags61US 6,692,147 B22004