B29C 44/3449
Through the screw
Official title: {through the screw}
B29C44/3449 (Through the screw) appears on 20 US grants and 28 published applications in this corpus.
Search patents in B29C- Granted patents
- 20
- Published applications
- 28
- Assignees
- 17
- Inventors
- 51
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 1 | 1 |
| 2006 | 1 | 1 |
| 2007 | 3 | 2 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 0 | 2 |
| 2017 | 2 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 4 |
| 2020 | 1 | 5 |
| 2021 | 2 | 1 |
| 2022 | 1 | 2 |
| 2023 | 1 | 1 |
| 2024 | 2 | 2 |
| 2025 | 0 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Injection molding machine for performing foam molding and method for controlling injection molding machine12 May 2026US 12,623,387 B2The Japan Steel Works, Ltd.
- Screw of injection molding machine for foam molding, and injection molding machine12 Nov 2024US 12,138,836 B2The Japan Steel Works, Ltd.
- Foam molding apparatus and foam molding method thereby6 Aug 2024US 12,053,913 B2etat'H solide
- Method for producing molded foam articles, and molded foam articles12 Sep 2023US 11,753,515 B2Sumitomo Chemical Company, Limited
- Mixing device for producing a plastic melt loaded with a propellant6 Sep 2022US 11,433,578 B2Engel Austria GmbH
- Method for estimating gas concentration in molten resin in injection device for foam molding22 Jan 2026US 2026/0021612 A1
- Master batch composition for a weight-reduced plastic product and method of manufacturing the same1 Aug 2024US 2024/0254292 A1Nano and Advanced Materials Institute Limited
- Injection molding machine for performing foam molding and method for controlling injection molding machine15 Feb 2024US 2024/0051208 A1The Japan Steel Works, Ltd.
- Master batch composition for a weight-reduced plastic product and method of manufacturing the same7 Dec 2023US 2023/0390976 A1Nano and Advanced Materials Institute Limited
- Foam molding apparatus and foam molding method thereby6 Oct 2022US 2022/0314505 A1etat'H solide
Most cited
By later US patents
- Apparatus and method for producing and molding structural foam51US 5,098,267 AUnion Carbide Industrial Gases Technology Corporation · 1992
- Blowing agent introduction systems and methods43US 7,144,532 B2Trexel, Inc. · 2006
- Apparatus for plasticizing material for molding thermoplastic resin foam16US 6,435,853 B1The Japan Steelworks, Ltd. · 2002
- Injection molding process and injection molding apparatus for thermoplastic resin molded articles13US 6,949,208 B1Sekisui Chemical Co., Ltd. · 2005
- Extruder screw for use in foam plastic extruder10US 5,297,948 AABC Group · 1994