B29C 45/74
Of the injection unit
Official title: of the injection unit
B29C45/74 (Of the injection unit) appears on 205 US grants and 255 published applications in this corpus.
Search patents in B29C- Granted patents
- 205
- Published applications
- 255
- Assignees
- 123
- Inventors
- 389
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 7 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 0 |
| 2003 | 0 | 4 |
| 2004 | 2 | 7 |
| 2005 | 2 | 3 |
| 2006 | 6 | 4 |
| 2007 | 6 | 5 |
| 2008 | 1 | 3 |
| 2009 | 0 | 8 |
| 2010 | 4 | 4 |
| 2011 | 3 | 3 |
| 2012 | 5 | 1 |
| 2013 | 2 | 12 |
| 2014 | 4 | 10 |
| 2015 | 9 | 10 |
| 2016 | 7 | 22 |
| 2017 | 13 | 11 |
| 2018 | 5 | 8 |
| 2019 | 3 | 4 |
| 2020 | 9 | 14 |
| 2021 | 6 | 27 |
| 2022 | 10 | 17 |
| 2023 | 17 | 21 |
| 2024 | 17 | 26 |
| 2025 | 18 | 12 |
| 2026 | 13 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- In-mold coat injection device8 Sep 2026US 12,728,575 B2Seikoh Giken Co., Ltd.
- Injection molding machine for foam molding1 Sep 2026US 12,722,332 B2The Japan Steel Works, Ltd.
- Molding cycle stopping method, injection device, and injection molding machine25 Aug 2026US 12,715,164 B2The Japan Steel Works, Ltd.
- Control device of injection molding machine, injection molding machine, and method of controlling injection molding machine21 Jul 2026US 12,686,156 B2Sumitomo Heavy Industries, Ltd.
- Injection molding machine for foam molding and method for controlling injection molding machine14 Jul 2026US 12,679,015 B2The Japan Steel Works, Ltd.
- Injection molding machine1 Oct 2026US 2026/0295915 A1Toyo Innovex Co., Ltd.
- Thixotropic injection molding barrel assembly3 Sep 2026US 2026/0257407 A1Leggera Thixo Technologies LLC
- Melter device for injection molding apparatus and injection-molded object using the same13 Aug 2026US 2026/0233447 A1Century Innovation Corporation
- Injection molding device and method for controlling injection molding device13 Aug 2026US 2026/0233448 A1Seiko Epson Corporation
- Plasticizing device, injection molding device, and screw23 Jul 2026US 2026/0208416 A1Seiko Epson Corporation
Most cited
By later US patents
- Injection molding nozzle49US 4,389,002 AKona Corporation · 1983
- Thermoplastic elastomer composite, electronic cigarette component and method for producing the same39US 9,623,592 B2Huizhou Kimree Technology Co., Ltd. Shenzhen Branch · 2017
- Method of producing epoxy resin-encapsulated semiconductor device36US 5,672,549 ASumitomo Bakelite Co., Ltd. · 1997
- Electric heating arrangement for spray nozzles33US 4,644,140 ATüRk & Hillinger GmbH · 1987
- Heated nozzle for plastic injection and manufacturing method therefor30US 5,226,596 AMold-Masters Limited · 1993