B29C 48/335
Multiple annular extrusion nozzles in coaxial arrangement
Official title: Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles
B29C48/335 (Multiple annular extrusion nozzles in coaxial arrangement) appears on 651 US grants and 381 published applications in this corpus.
Search patents in B29C- Granted patents
- 651
- Published applications
- 381
- Assignees
- 381
- Inventors
- 1,177
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 15 | 0 |
| 1978 | 15 | 0 |
| 1979 | 12 | 0 |
| 1980 | 15 | 0 |
| 1981 | 20 | 0 |
| 1982 | 10 | 0 |
| 1983 | 12 | 0 |
| 1984 | 15 | 0 |
| 1985 | 18 | 0 |
| 1986 | 10 | 0 |
| 1987 | 8 | 0 |
| 1988 | 24 | 0 |
| 1989 | 19 | 0 |
| 1990 | 18 | 0 |
| 1991 | 26 | 0 |
| 1992 | 20 | 0 |
| 1993 | 16 | 0 |
| 1994 | 12 | 0 |
| 1995 | 9 | 0 |
| 1996 | 9 | 0 |
| 1997 | 16 | 0 |
| 1998 | 24 | 0 |
| 1999 | 11 | 0 |
| 2000 | 17 | 0 |
| 2001 | 22 | 5 |
| 2002 | 11 | 24 |
| 2003 | 18 | 25 |
| 2004 | 18 | 24 |
| 2005 | 9 | 24 |
| 2006 | 17 | 15 |
| 2007 | 4 | 20 |
| 2008 | 9 | 14 |
| 2009 | 7 | 20 |
| 2010 | 11 | 27 |
| 2011 | 12 | 15 |
| 2012 | 15 | 17 |
| 2013 | 11 | 9 |
| 2014 | 16 | 15 |
| 2015 | 10 | 16 |
| 2016 | 9 | 16 |
| 2017 | 5 | 13 |
| 2018 | 12 | 10 |
| 2019 | 7 | 8 |
| 2020 | 13 | 13 |
| 2021 | 7 | 8 |
| 2022 | 10 | 7 |
| 2023 | 5 | 9 |
| 2024 | 4 | 10 |
| 2025 | 8 | 8 |
| 2026 | 3 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Reticular structure and process for making the same26 May 2026US 12,635,620 B2Tenax S.P.A.
- Extrusion technique for forming polymer preforms, and tube-forming technique21 Apr 2026US 12,605,873 B2Kautex Maschinenbau System GmbH
- Striped cable and process and apparatus for making same27 Jan 2026US 12,537,118 B2Southwire Company
- Mold for extrusion molding flexible tube and flexible tube producing apparatus25 Nov 2025US 12,479,146 B2Pla Giken Co., Ltd.
- Extrusion head arrangement4 Nov 2025US 12,459,183 B2W. Müller GmbH
- Modular Nozzle for Coaxial Extrusion10 Sep 2026US 2026/0264305 A1Cellink Bioprinting AB
- System and method for blow molding plate components for articles of footwear25 Jun 2026US 2026/0175504 A1NIKE, Inc.
- System and method for blow molding plate components for articles of footwear25 Jun 2026US 2026/0175505 A1NIKE, Inc.
- System and method for blow molding plate components for articles of footwear25 Jun 2026US 2026/0175506 A1NIKE, Inc.
- System and method for blow molding plate components for articles of footwear25 Jun 2026US 2026/0175508 A1NIKE, Inc.
Most cited
By later US patents
- Tubing327US 5,533,985 A1996
- Trilayer, extruded medical tubing and medical devices incorporating such tubing155US 6,165,166 ASchneider (USA) Inc. · 2000
- Perfusion catheter and striped extrusion method of manufacture139US 5,792,300 ACordis Corporation · 1998
- Extruded tubing and catheters having helical liquid crystal fibrils132US 5,248,305 ACordis Corporation · 1993
- Extruded tubing and catheters having increased rotational stiffness127US 5,156,785 ACordis Corporation · 1992