B29C 33/0077
Moulds or cores: characterised by the configuration of the mould filling gate
Official title: {characterised by the configuration of the mould filling gate (mixing chambers situated in the mould opening B29B7/7471); accessories for connecting the mould filling gate with the filling spout}
B29C33/0077 (Moulds or cores: characterised by the configuration of the mould filling gate) appears on 65 US grants and 51 published applications in this corpus.
Search patents in B29C- Granted patents
- 65
- Published applications
- 51
- Assignees
- 58
- Inventors
- 150
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 7 |
| 2003 | 0 | 1 |
| 2004 | 3 | 5 |
| 2005 | 2 | 0 |
| 2006 | 6 | 1 |
| 2007 | 1 | 2 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 1 | 0 |
| 2011 | 1 | 0 |
| 2012 | 1 | 2 |
| 2013 | 0 | 1 |
| 2014 | 1 | 2 |
| 2015 | 2 | 3 |
| 2016 | 2 | 4 |
| 2017 | 0 | 2 |
| 2018 | 4 | 3 |
| 2019 | 1 | 3 |
| 2020 | 2 | 3 |
| 2021 | 3 | 1 |
| 2022 | 1 | 2 |
| 2023 | 0 | 2 |
| 2024 | 4 | 4 |
| 2025 | 1 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and apparatus for adjusting recess depth of a mold insert21 Apr 2026US 12,605,869 B2Essilor International
- Non-inflatable hollow tire mould19 Aug 2025US 12,390,972 B2Jiangsu Risingsun Tyre Co., Ltd
- Injection molding system and method17 Sep 2024US 12,090,694 B2King Steel Machinery Co., Ltd.
- Combined injection moulding and extrusion13 Aug 2024US 12,059,829 B2Flex Ltd.
- Lens casting system25 Jun 2024US 12,017,388 B2HOYA Optical Labs of America, Inc.
- Method for making protective coverings over metal structures15 Jan 2026US 2026/0014742 A1HubbellI Incorporated
- Inflation-free hollow tire modeling die6 Nov 2025US 2025/0340005 A1Jiangsu Risingsun Tyre Co., Ltd
- Kits and molds for preparing cured articles12 Dec 2024US 2024/0408798 A1Sanford, L. P.
- Lens Casting System19 Sep 2024US 2024/0308115 A1HOYA Optical Labs of America, Inc.
- Method and apparatus for adjusting recess depth of a mold insert20 Jun 2024US 2024/0198568 A1Essilor International
Most cited
By later US patents
- Apparatus for molding a dental prosthesis104US 5,324,186 A1994
- Gasket for molding plastic lenses100US 4,693,446 ATechna Vision, Inc. · 1987
- Artificial stone compositions, process of producing the same, and apparatus employed in the production thereof43US 5,244,941 ARalph Wilson Plastics Company · 1993
- Electrical device with embedded resin and visible resin inlet and discharge ducts37US 5,293,002 ATelemecanique · 1994
- Method for side-fill lens casting36US 6,391,231 B1Younger Mfg. Co. · 2002