B29C 45/1643
From at least three different materials or with at least four layers
Official title: {from at least three different materials or with at least four layers}
B29C45/1643 (From at least three different materials or with at least four layers) appears on 86 US grants and 50 published applications in this corpus.
Search patents in B29C- Granted patents
- 86
- Published applications
- 50
- Assignees
- 47
- Inventors
- 154
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 6 | 0 |
| 1989 | 3 | 0 |
| 1990 | 9 | 0 |
| 1991 | 7 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 1 |
| 2002 | 3 | 2 |
| 2003 | 3 | 5 |
| 2004 | 1 | 1 |
| 2005 | 1 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 2 |
| 2009 | 1 | 0 |
| 2010 | 1 | 2 |
| 2011 | 2 | 2 |
| 2012 | 1 | 2 |
| 2013 | 1 | 1 |
| 2014 | 1 | 0 |
| 2015 | 1 | 2 |
| 2016 | 0 | 3 |
| 2017 | 0 | 2 |
| 2018 | 2 | 1 |
| 2019 | 1 | 3 |
| 2020 | 1 | 5 |
| 2021 | 2 | 5 |
| 2022 | 2 | 1 |
| 2023 | 3 | 3 |
| 2024 | 2 | 2 |
| 2025 | 0 | 1 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Injection molding method6 Oct 2026US 12,752,467 B2King Steel Machinery Co., Ltd.
- 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.
- Method of manufacturing a blinker module as well as a blinker module, rearview device and motor vehicle10 Sep 2024US 12,085,254 B2Motherson Innovations Company Limited
- Injection molding method30 Jul 2024US 12,049,032 B2King Steel Machinery Co., Ltd.
- Blow molded article with visual effects14 Nov 2023US 11,814,208 B2The Procter & Gamble Company
- Production method of a lenticular body for automotive use and lighted badge for motor vehicles provided with such lenticular body18 Jun 2026US 2026/0168644 A1
- Method for producing interconnected components of an interior-trim part, and interconnected components of an interior-trim part30 Jan 2025US 2025/0033259 A1Volkswagen Aktiengesellschaft
- Method of manufacturing a blinker module as well as a blinker module, rearview device and motor vehicle28 Nov 2024US 2024/0392941 A1Motherson Innovations Company Limited
- Injection molding system and method26 Sep 2024US 2024/0316843 A1King Steel Machinery Co., Ltd.
- Machine and method for injection molding multilayer articles having a high proportion of internal layer material7 Dec 2023US 2023/0390983 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-layer preform for draw-blow forming a bottle97US 4,646,925 AToyo Seikan Kaisha, Ltd. · 1987
- Method of forming laminated preforms86US 4,609,516 AContinental PET Technologies, Inc. · 1986
- Multi-cavity, co-injection molding apparatus83US 5,028,226 ACMB Foodcan plc · 1991
- Preform with internal barrier and internal layer of high thermal stability and products made from the same71US 4,550,043 AContinental Plastic Containers, Inc. · 1985