B29C 48/49
Using two or more extruders to feed one die or nozzle
Official title: using two or more extruders to feed one die or nozzle
B29C48/49 (Using two or more extruders to feed one die or nozzle) appears on 595 US grants and 653 published applications in this corpus.
Search patents in B29C- Granted patents
- 595
- Published applications
- 653
- Assignees
- 397
- Inventors
- 1,314
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 4 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 7 | 0 |
| 1985 | 7 | 0 |
| 1986 | 2 | 0 |
| 1987 | 13 | 0 |
| 1988 | 12 | 0 |
| 1989 | 18 | 0 |
| 1990 | 10 | 0 |
| 1991 | 13 | 0 |
| 1992 | 14 | 0 |
| 1993 | 14 | 0 |
| 1994 | 6 | 0 |
| 1995 | 5 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 12 | 0 |
| 1999 | 10 | 0 |
| 2000 | 6 | 0 |
| 2001 | 7 | 7 |
| 2002 | 2 | 12 |
| 2003 | 10 | 22 |
| 2004 | 20 | 17 |
| 2005 | 7 | 21 |
| 2006 | 13 | 20 |
| 2007 | 10 | 16 |
| 2008 | 10 | 18 |
| 2009 | 7 | 23 |
| 2010 | 10 | 20 |
| 2011 | 18 | 29 |
| 2012 | 13 | 27 |
| 2013 | 8 | 26 |
| 2014 | 23 | 32 |
| 2015 | 14 | 23 |
| 2016 | 17 | 30 |
| 2017 | 21 | 30 |
| 2018 | 19 | 29 |
| 2019 | 22 | 30 |
| 2020 | 30 | 33 |
| 2021 | 20 | 39 |
| 2022 | 22 | 37 |
| 2023 | 26 | 43 |
| 2024 | 27 | 33 |
| 2025 | 32 | 25 |
| 2026 | 15 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Extrusion assembly for manufacturing extruded material15 Sep 2026US 12,734,742 B2Green Fox Plastics, LLC
- Method for forming a stress-free multilayer PVC sheet material4 Aug 2026US 12,697,807 B2Kreafin Group SA
- Coextruded hemp composite board16 Jun 2026US 12,654,355 B2
- Wood-grained polymer substrate16 Jun 2026US 12,654,384 B2Tangent Technologies LLC
- Decorative panel and process for producing a panel26 May 2026US 12,636,866 B2CFL Holding Limited
- Method for forming a stress-free multilayer pvc sheet material17 Sep 2026US 2026/0273910 A1Kreafin Group SA
- Decorative panel and process for producing a panel27 Aug 2026US 2026/0249597 A1CFL Holding Limited
- Wood plank and method of manufacturing the same16 Jul 2026US 2026/0200158 A1Green Fox Plastics, LLC
- Device and computer-implemented method for controlling an extrusion plant, extrusion plant, and computer-readable storage medium9 Jul 2026US 2026/0192505 A1Continental Reifen Deutschland GmbH
- System and method for blow molding plate components for articles of footwear25 Jun 2026US 2026/0175505 A1NIKE, Inc.
Most cited
By later US patents
- Coextrusion of multilayer articles using protective boundary layers and apparatus therefor319US 5,269,995 AThe Dow Chemical Company · 1993
- Apparatus for making multilayer optical films258US 6,783,349 B23M Innovative Properties Company · 2004
- Method and apparatus of forming extruded article110US 4,888,146 A1989
- Method for making multilayer optical films102US 6,827,886 B23M Innovative Properties Company · 2004
- UV-protected, multilayer polycarbonate sheets96US 5,846,659 ABayer Aktiengesellschaft · 1998