B29C 45/03
Injection moulding apparatus
Official title: Injection moulding apparatus (transfer moulding B29C45/02)
B29C45/03 (Injection moulding apparatus) appears on 1,147 US grants and 1,059 published applications in this corpus.
Search patents in B29C- Granted patents
- 1,147
- Published applications
- 1,059
- Assignees
- 629
- Inventors
- 1,987
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 18 | 0 |
| 1977 | 9 | 0 |
| 1978 | 11 | 0 |
| 1979 | 11 | 0 |
| 1980 | 16 | 0 |
| 1981 | 11 | 0 |
| 1982 | 11 | 0 |
| 1983 | 15 | 0 |
| 1984 | 18 | 0 |
| 1985 | 11 | 0 |
| 1986 | 11 | 0 |
| 1987 | 12 | 0 |
| 1988 | 18 | 0 |
| 1989 | 13 | 0 |
| 1990 | 10 | 0 |
| 1991 | 26 | 0 |
| 1992 | 8 | 0 |
| 1993 | 14 | 0 |
| 1994 | 18 | 0 |
| 1995 | 13 | 0 |
| 1996 | 11 | 0 |
| 1997 | 14 | 0 |
| 1998 | 20 | 0 |
| 1999 | 18 | 0 |
| 2000 | 21 | 0 |
| 2001 | 13 | 5 |
| 2002 | 21 | 8 |
| 2003 | 16 | 23 |
| 2004 | 21 | 31 |
| 2005 | 8 | 23 |
| 2006 | 22 | 40 |
| 2007 | 18 | 32 |
| 2008 | 19 | 28 |
| 2009 | 20 | 29 |
| 2010 | 16 | 23 |
| 2011 | 19 | 12 |
| 2012 | 16 | 23 |
| 2013 | 21 | 46 |
| 2014 | 24 | 42 |
| 2015 | 30 | 47 |
| 2016 | 34 | 50 |
| 2017 | 36 | 67 |
| 2018 | 39 | 70 |
| 2019 | 41 | 57 |
| 2020 | 54 | 64 |
| 2021 | 53 | 61 |
| 2022 | 51 | 79 |
| 2023 | 52 | 53 |
| 2024 | 68 | 59 |
| 2025 | 48 | 64 |
| 2026 | 29 | 23 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B29C 45/04Using movable moulds or mould halves703
- B29C 45/07Using movable injection units114
- B29C 45/12Using two or more fixed moulds96
- B29C 45/13Using two or more injection units co-operating with a single mould59
- B29C 45/10Using moulds or injection units usable in different arrangements or combinations to20
- B29C 45/036Injection pistols15
- B29C 2045/033Horizontal injection units mounted on a mould half carrying plateIndexing code5
Recent patents
- Injection molding method6 Oct 2026US 12,752,467 B2King Steel Machinery Co., Ltd.
- Motor core manufacturing device and motor core manufacturing method22 Sep 2026US 12,741,405 B2NHK Spring Co., Ltd.
- Resin mixture, method of producing resin mixture, stretch blow molded product, and method of producing stretch blow molded product22 Sep 2026US 12,742,040 B2Canon Kabushiki Kaisha
- Intermediate mold, mold unit, and injection molding machine15 Sep 2026US 12,734,736 B2Sumitomo Heavy Industries, Ltd.
- Mold and injection molding device evaluation method8 Sep 2026US 12,728,573 B2Seiko Epson Corporation
- A tool and method for manufacturing an over-molded structural thermoplastic composite hybrid part with aesthetic integration23 Jul 2026US 2026/0208413 A1Sabic Global Technologies B.V.
- Polypropylene resin composition for improving surface quality of molded article and enhancing injection moldability, and molded article thereof16 Jul 2026US 2026/0201156 A1BGFecomaterials
- Injection molding process including in-mold laser gate cutting25 Jun 2026US 2026/0175487 A1GM Global Technology Operations LLC
- Injection molding device and injection unit25 Jun 2026US 2026/0175489 A1Seiko Epson Corporation
- Injection molding device25 Jun 2026US 2026/0175490 A1Seiko Epson Corporation
Most cited
By later US patents
- Method of operating a two-shot injection-molding machine258US 4,444,711 AHusky Injection Molding Systems Ltd. · 1984
- Two-shot injection molding225US 4,460,534 AInternational Business Machines Corporation · 1984
- Two-shot molded plunger107US 5,902,276 ALiebel-Flarsheim Company · 1999
- Method and apparatus for producing synthetic plastics products, and product produced thereby93US 4,187,352 ALankhorst Touwfabrieken B. V. · 1980
- Cement injection device88US 4,546,767 A1985