B29C 45/234
Valves opened by the pressure of the moulding material
Official title: {Valves opened by the pressure of the moulding material (B29C45/231 takes precedence)}
B29C45/234 (Valves opened by the pressure of the moulding material) appears on 11 US grants and 11 published applications in this corpus.
Search patents in B29C- Granted patents
- 11
- Published applications
- 11
- Assignees
- 15
- Inventors
- 29
- Latest grant
- 23 Aug 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
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| 1990 | 0 | 0 |
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| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 2 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 2 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Flow rate adjusting device, three-dimensional shaping device, and injection molding device23 Aug 2022US 11,420,372 B2Seiko Epson Corporation
- Fiber reinforced plenum for limited-slip differential17 Mar 2020US 10,591,039 B2Eaton Intelligent Power Limited
- Abrasion amount estimation device and abrasion amount estimation method for check valve of injection molding machine18 Feb 2020US 10,562,217 B2Fanuc Corporation
- Injection mold with fail safe pressure mechanism28 Mar 2017US 9,604,398 B2Imflux Inc.
- Miniature automatic shutoff nozzle tip27 May 2014US 8,734,146 B2
- Injection molding apparatus5 Feb 2026US 2026/0034712 A1Seiko Epson Corporation
- Molding apparatus for molding opening devices and packaging machine having a molding apparatus24 Aug 2023US 2023/0264397 A1Tetra Laval Holdings & Finance S. A.
- Flow rate adjusting device, three-dimensional shaping device, and injection molding device24 Dec 2020US 2020/0398469 A1Seiko Epson Corporation
- Stopper for a Sprue of a Casting Mould25 Oct 2018US 2018/0304351 A1
- Abrasion amount estimation device and abrasion amount estimation method for check valve of injection molding machine16 Nov 2017US 2017/0326771 A1Fanuc Corporation
Most cited
By later US patents
- Valve nozzle of injection molding machine17US 4,285,661 AOsaka City · 1981
- Valve nozzle for injection molding15US 4,681,528 AMatsushita Electric Industrial Co., Ltd. · 1987
- Gate of mold for injection molding machine14US 4,171,941 AOsaka City · 1979
- Valve nozzle5US 5,996,618 AFISA Corporation · 1999
- Injection mold with fail safe pressure mechanism3US 9,604,398 B2Imflux Inc. · 2017