B29C 45/13
Using two or more injection units co-operating with a single mould
Official title: using two or more injection units co-operating with a single mould
B29C45/13 (Using two or more injection units co-operating with a single mould) appears on 59 US grants and 80 published applications in this corpus.
Search patents in B29C- Granted patents
- 59
- Published applications
- 80
- Assignees
- 62
- Inventors
- 170
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
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| 1987 | 1 | 0 |
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| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
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| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
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| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 2 |
| 2007 | 0 | 0 |
| 2008 | 2 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 2 |
| 2015 | 0 | 3 |
| 2016 | 0 | 6 |
| 2017 | 5 | 4 |
| 2018 | 4 | 8 |
| 2019 | 5 | 8 |
| 2020 | 7 | 7 |
| 2021 | 1 | 9 |
| 2022 | 6 | 3 |
| 2023 | 4 | 9 |
| 2024 | 4 | 6 |
| 2025 | 6 | 8 |
| 2026 | 5 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for preparing an enhanced auxetic composite material (EACM)18 Aug 2026US 12,708,167 B2Honeywell Safety Products USA, Inc.
- Injection molding system and method11 Aug 2026US 12,703,133 B2King Steel Machinery Co., Ltd.
- Injection apparatus and method of manufacturing resin body28 Jul 2026US 12,691,616 B2Canon Kabushiki Kaisha
- Extrusion device30 Jun 2026US 12,668,005 B2Aisapack Holding S.A.
- Apparatus and method for two shot injection molding and components formed by the method19 May 2026US 12,629,874 B2Inteva Products, LLC
- Polypropylene resin composition for improving surface quality of molded article and enhancing injection moldability, and molded article thereof16 Jul 2026US 2026/0201156 A1BGFecomaterials
- Injection molding machine and method of controlling the same19 Mar 2026US 2026/0077545 A1The Japan Steel Works, Ltd.
- Method and apparatus relating to injection molding contact lens mold halves8 Jan 2026US 2026/0008244 A1CooperVision International Limited
- Molding unit and method of molding an article27 Nov 2025US 2025/0360666 A1The Procter & Gamble Company
- Dual injection system and synchronization control method thereof20 Nov 2025US 2025/0353233 A1Ningbo LK Technology Co., Ltd.
Most cited
By later US patents
- Multi-cylinder type injection molding apparatus28US 4,699,581 AToyota Jidosha Kabushiki Kaisha · 1987
- Process for injection molding of injection molded parts of plasticized liquid crystal polymer material27US 4,994,220 AKloeckner Ferromatik des GmbH · 1991
- Injection of plastic in molding machine20US 4,070,142 AFarrell Patent Company · 1978
- Mold for injection molded parts made of plasticizable material19US 5,074,772 AKlockner Ferromatik Desma GmbH · 1991
- Apparatus for substantially simultaneously forming multiple articles having different properties11US 6,679,696 B1Gillette Canada Inc. · 2004