B29C 45/1603
Multi-way nozzles specially adapted therefor
Official title: {Multi-way nozzles specially adapted therefor}
B29C45/1603 (Multi-way nozzles specially adapted therefor) appears on 257 US grants and 151 published applications in this corpus.
Search patents in B29C- Granted patents
- 257
- Published applications
- 151
- Assignees
- 84
- Inventors
- 288
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 6 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 7 | 0 |
| 1989 | 4 | 0 |
| 1990 | 10 | 0 |
| 1991 | 6 | 0 |
| 1992 | 8 | 0 |
| 1993 | 5 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 15 | 0 |
| 2000 | 16 | 0 |
| 2001 | 17 | 3 |
| 2002 | 7 | 4 |
| 2003 | 10 | 10 |
| 2004 | 2 | 7 |
| 2005 | 3 | 5 |
| 2006 | 2 | 13 |
| 2007 | 10 | 6 |
| 2008 | 5 | 5 |
| 2009 | 3 | 4 |
| 2010 | 8 | 3 |
| 2011 | 3 | 4 |
| 2012 | 5 | 6 |
| 2013 | 4 | 8 |
| 2014 | 4 | 12 |
| 2015 | 8 | 10 |
| 2016 | 9 | 9 |
| 2017 | 6 | 7 |
| 2018 | 12 | 10 |
| 2019 | 6 | 6 |
| 2020 | 9 | 1 |
| 2021 | 3 | 1 |
| 2022 | 3 | 8 |
| 2023 | 1 | 4 |
| 2024 | 2 | 0 |
| 2025 | 5 | 4 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B29C 45/1607Having at least three different ways72
- B29C 2045/161Using a hollow needle valve through which one material is injectedIndexing code37
- B29C 2045/1612Using needle valves with at least four positionsIndexing code29
- B29C 2045/1609Having independent heating or cooling means for each wayIndexing code20
- B29C 2045/1614Side-by-side flow of materials in the same channelIndexing code17
- B29C 45/1604Using a valve urged by the injection pressure13
- B29C 45/1606Using a rotatable valve9
Recent patents
- Machine and method for injection molding multilayer articles having a high proportion of internal layer material7 Apr 2026US 12,594,702 B2Husky Injection Molding Systems Ltd.
- Apparatus and method for coinjection of a multilayer molded article with a segmented internal layer23 Sep 2025US 12,420,466 B2Husky Injection Molding Systems Ltd.
- Method of injection molding preform23 Sep 2025US 12,420,985 B2Yoshino Kogyosho Co., Ltd.
- Injection molding of multilayer articles with post-pullback pressure monitoring27 May 2025US 12,311,591 B2Husky Injection Molding Systems Ltd.
- Method of improving shot repeatability in multilayer reciprocating screw injection molding machines20 May 2025US 12,304,126 B2Husky Injection Molding Systems Ltd.
- Hot runner injection nozzle system suitable for co-injection molding with built-in obturator and variable gate direction9 Apr 2026US 2026/0097544 A1PLASDAN—Automacao e Sistemas, Lda.
- Co-injection molding apparatus27 Nov 2025US 2025/0360664 A1Top Grade Molds Ltd.
- Injection molding of multilayer articles with post-pullback pressure monitoring26 Jun 2025US 2025/0205949 A1Husky Injection Molding Systems Ltd.
- Article manufacturing method and manufacturing apparatus12 Jun 2025US 2025/0187238 A1
- Co-injection hot runner nozzle27 Mar 2025US 2025/0100197 A1Husky Injection Molding Systems Ltd.
Most cited
By later US patents
- Coinjection of hollow articles and preforms108US 4,717,324 AHusky Injection Molding Systems Ltd. · 1988
- Multi-cavity, co-injection molding apparatus83US 5,028,226 ACMB Foodcan plc · 1991
- Molding system with integrated film heaters and sensors81US 6,764,297 B2Husky Injection Molding Systems Ltd. · 2004
- Hot-runner mold for injection molding77US 4,657,496 AGifu Husky Co., Ltd. · 1987
- Apparatus for proportionally controlling fluid delivery to a mold71US 6,309,208 B1Synventive Molding Solutions, Inc. · 2001