B29C 45/586
Injection or transfer plungers
Official title: {Injection or transfer plungers}
B29C45/586 (Injection or transfer plungers) appears on 42 US grants and 38 published applications in this corpus.
Search patents in B29C- Granted patents
- 42
- Published applications
- 38
- Assignees
- 36
- Inventors
- 116
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 1 | 1 |
| 2010 | 0 | 1 |
| 2011 | 2 | 1 |
| 2012 | 1 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 1 | 0 |
| 2016 | 1 | 2 |
| 2017 | 1 | 0 |
| 2018 | 0 | 3 |
| 2019 | 1 | 3 |
| 2020 | 1 | 1 |
| 2021 | 1 | 5 |
| 2022 | 1 | 5 |
| 2023 | 5 | 3 |
| 2024 | 3 | 4 |
| 2025 | 0 | 2 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Injection device8 Sep 2026US 12,728,576 B2Fanuc Corporation
- Manufacturing apparatus and manufacturing method of molded products11 Aug 2026US 12,703,134 B2Canon Kabushiki Kaisha
- Injection device14 Apr 2026US 12,600,067 B2Sodick Co., Ltd.
- Injection device and gas dissolution method of injection device10 Dec 2024US 12,162,196 B2Sodick Co., Ltd.
- Plasticating and injection molding system26 Nov 2024US 12,151,416 B2
- Injection molding machine26 Feb 2026US 2026/0054437 A1Sodick Co., Ltd.
- Material supply device, injection molding device, and three-dimensional modeling device2 Oct 2025US 2025/0303622 A1Seiko Epson Corporation
- Injection device6 Feb 2025US 2025/0042072 A1Sodick Co., Ltd.
- Thermosetting composition, method for producing molded article using the same, and cured product7 Nov 2024US 2024/0368322 A1Idemitsu Kosan Co., Ltd.
- Injection molding apparatus24 Oct 2024US 2024/0351258 A1
Most cited
By later US patents
- Air exhaust mold plunger32US 5,626,887 ATexas Instruments Incorporated · 1997
- Pre-plasticization type injection molding machine23US 5,380,187 ASodick Co., Ltd. · 1995
- Flow regulating and distributing assembly20US 5,858,420 AHusky Injection Molding Systems Ltd. · 1999
- Fast cycle plasticator/injector unit for molding machines17US 5,123,833 A1992
- Pre-packaged liquid molding for component encapsulation14US 5,955,115 ATexas Instruments Incorporated · 1999