B22D 17/04
Plunger machines
B22D17/04 (Plunger machines) appears on 113 US grants and 105 published applications in this corpus.
Search patents in B22D- Granted patents
- 113
- Published applications
- 105
- Assignees
- 79
- Inventors
- 239
- Latest grant
- 21 Nov 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 4 |
| 2002 | 2 | 5 |
| 2003 | 1 | 3 |
| 2004 | 6 | 5 |
| 2005 | 5 | 3 |
| 2006 | 4 | 2 |
| 2007 | 2 | 3 |
| 2008 | 0 | 3 |
| 2009 | 0 | 2 |
| 2010 | 2 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 4 |
| 2013 | 2 | 3 |
| 2014 | 3 | 12 |
| 2015 | 3 | 14 |
| 2016 | 9 | 7 |
| 2017 | 7 | 7 |
| 2018 | 9 | 3 |
| 2019 | 4 | 5 |
| 2020 | 6 | 6 |
| 2021 | 3 | 8 |
| 2022 | 5 | 0 |
| 2023 | 3 | 2 |
| 2024 | 0 | 0 |
| 2025 | 0 | 2 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Die-casting machine and operating method21 Nov 2023US 11,819,911 B2Oskar Frech GmbH + Co. KG
- Motor plate type coil forming apparatus17 Oct 2023US 11,786,965 B1Dr Axion Co., Ltd.
- Plunger for die casting and method of making the same3 Oct 2023US 11,772,154 B1Easyforming Steel Technology Co., Ltd.
- Injection device and method for producing at least one metallic glass part11 Oct 2022US 11,465,198 B2Institut Polytechnique De Grenoble
- Die casting method and die casting device16 Aug 2022US 11,413,681 B2Toyota Jidosha Kabushiki Kaisha
- Magnesium alloy module and dual-module die casting machine16 Jul 2026US 2026/0199968 A1Ningbo LK Technology Co., Ltd.
- Integrated system of melting device and liquid injection mechanism and injection method thereof15 Jan 2026US 2026/0014619 A1Amli Materials Technology Co., Ltd.
- Plunger tip for die casting and injection device17 Jul 2025US 2025/0229323 A1Subaru Corporation
- Injection molding machine and material supply apparatus27 Mar 2025US 2025/0100196 A1The Japan Steel Works, Ltd.
- Die casting machine and airtight inspection method14 Sep 2023US 2023/0286039 A1Toyota Jidosha Kabushiki Kaisha
Most cited
By later US patents
- Pump with porus ceramic tube127US 4,091,970 AToshiba Kikai Kabushiki Kaisha · 1978
- Hot chamber die casting machine33US 4,534,403 A1985
- Apparatus and method for casting lead into plastic for side terminal batteries30US 4,377,197 AGeneral Battery Corporation · 1983
- Method and apparatus for casting lead into plastic for side terminal batteries29US 4,284,122 AGeneral Battery Corporation · 1981
- Method of and system for controlling flow of molten liquid to cast metal alloys29US 5,125,450 AElectrovert Ltd. · 1992