B22D 17/2053
Using two or more cooperating injection pistons
Official title: {using two or more cooperating injection pistons}
B22D17/2053 (Using two or more cooperating injection pistons) appears on 24 US grants and 27 published applications in this corpus.
Search patents in B22D- Granted patents
- 24
- Published applications
- 27
- Assignees
- 19
- Inventors
- 63
- Latest grant
- 30 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 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 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 1 |
| 2006 | 1 | 0 |
| 2007 | 1 | 2 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 3 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 1 | 1 |
| 2018 | 4 | 4 |
| 2019 | 0 | 1 |
| 2020 | 3 | 1 |
| 2021 | 1 | 2 |
| 2022 | 4 | 4 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
| 2025 | 2 | 1 |
| 2026 | 0 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Dual injection system and synchronization control method thereof30 Dec 2025US 12,508,759 B2Ningbo LK Technology Co., Ltd.
- Twin injection molding machine including two injection devices21 Jan 2025US 12,202,037 B2The Japan Steel Works, Ltd.
- Plunger system and casting method for a die casting machine30 Apr 2024US 11,969,784 B2Oskar Frech GmbH + Co. KG
- Injection device of light metal injection molding machine15 Nov 2022US 11,498,119 B1Sodick Co., Ltd.
- Plunger system and casting method for a die casting machine13 Sep 2022US 11,440,087 B2Oskar Frech GmbH + Co. KG
- Magnesium-aluminum dual-injection die-casting machine and magnesium-aluminum dual-injection system16 Jul 2026US 2026/0199970 A1Ningbo LK Technology Co., Ltd.
- Die casting machine with single and double injection, and method for designing front plate thereof2 Jul 2026US 2026/0183835 A1Ningbo LK Technology Co., Ltd.
- Injection device for amorphous metallic alloy30 Apr 2026US 2026/0115786 A1Vulkam
- Counter-piston central injection die casting12 Mar 2026US 2026/0070120 A1Tesla, Inc.
- Dual injection system and synchronization control method thereof20 Nov 2025US 2025/0353233 A1Ningbo LK Technology Co., Ltd.
Most cited
By later US patents
- Closed shot die casting27US 5,205,338 ANelson Metal Products Corporation · 1993
- Die casting machine and casting method by thereof machine21US 7,377,303 B22008
- Method and apparatus for manufacturing metallic parts by die casting5US 6,945,310 B2Takata Corporation · 2005
- Method and apparatus for manufacturing metallic parts by die casting3US 7,296,611 B2Advanced Technologies, Inc. · 2007
- Method and apparatus for manufacturing metallic parts by die casting2US 7,150,308 B2Takata Corporation · 2006