B29C 45/542
Using an accumulator between plasticising and injection unit
Official title: {using an accumulator between plasticising and injection unit, e.g. for a continuously operating plasticising screw}
B29C45/542 (Using an accumulator between plasticising and injection unit) appears on 31 US grants and 39 published applications in this corpus.
Search patents in B29C- Granted patents
- 31
- Published applications
- 39
- Assignees
- 32
- Inventors
- 94
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
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| 1996 | 0 | 0 |
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| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 1 |
| 2003 | 2 | 3 |
| 2004 | 2 | 2 |
| 2005 | 1 | 2 |
| 2006 | 3 | 1 |
| 2007 | 0 | 2 |
| 2008 | 0 | 1 |
| 2009 | 0 | 2 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 1 |
| 2014 | 2 | 3 |
| 2015 | 0 | 0 |
| 2016 | 2 | 0 |
| 2017 | 0 | 1 |
| 2018 | 2 | 0 |
| 2019 | 1 | 1 |
| 2020 | 1 | 1 |
| 2021 | 0 | 3 |
| 2022 | 0 | 3 |
| 2023 | 2 | 0 |
| 2024 | 1 | 3 |
| 2025 | 1 | 4 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Injection device14 Apr 2026US 12,600,067 B2Sodick Co., Ltd.
- Method of manufacturing a molded article6 May 2025US 12,291,629 B2Idemitsu Kosan Co., Ltd.
- Injection device and gas dissolution method of injection device10 Dec 2024US 12,162,196 B2Sodick Co., Ltd.
- Injection machine for recycled plastic injection molding system12 Dec 2023US 11,840,001 B2Jing Si Pureland Co., Ltd.
- Motor core manufacturing device, and motor core manufacturing method8 Jan 2026US 2026/0008212 A1NHK Spring Co., Ltd.
- Apparatus and method for extruding molded articles9 Oct 2025US 2025/0312958 A1Plaex Building Systems Inc.
- Motor core manufacturing device and motor core manufacturing method26 Jun 2025US 2025/0205946 A1NHK Spring Co., Ltd.
- Injection apparatus for producing hollow plastic articles, in particular bottle preforms13 Feb 2025US 2025/0050560 A1S.I.P.A. Societa' Industrializzazione Progettazione E Automazione S.P.A.
- Injection device6 Feb 2025US 2025/0042072 A1Sodick Co., Ltd.
Most cited
By later US patents
- Pre-plasticizing type injection molding machine and control method therefor20US 5,925,295 ANissei Plastic Industrial Co., Ltd. · 1999
- Fast cycle plasticator/injector unit for molding machines17US 5,123,833 A1992
- Method of producing solid shape forms containing an active ingredient15US 7,014,810 B2Abbott GmbH & Co. KG · 2006
- Compounding injection molding combined process13US 6,071,462 AIntrafico Intercontinental Trade & Finance Co. Establ. · 2000
- Two-stage electric injection unit with rotating plunger8US 6,086,353 ACincinnati Milacron Inc. · 2000