B29C 45/50
Axially movable screw
B29C45/50 (Axially movable screw) appears on 540 US grants and 422 published applications in this corpus.
Search patents in B29C- Granted patents
- 540
- Published applications
- 422
- Assignees
- 223
- Inventors
- 840
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 5 | 0 |
| 1978 | 5 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 6 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 5 | 0 |
| 1987 | 7 | 0 |
| 1988 | 5 | 0 |
| 1989 | 8 | 0 |
| 1990 | 7 | 0 |
| 1991 | 9 | 0 |
| 1992 | 17 | 0 |
| 1993 | 12 | 0 |
| 1994 | 8 | 0 |
| 1995 | 11 | 0 |
| 1996 | 6 | 0 |
| 1997 | 7 | 0 |
| 1998 | 8 | 0 |
| 1999 | 20 | 0 |
| 2000 | 16 | 0 |
| 2001 | 18 | 7 |
| 2002 | 28 | 17 |
| 2003 | 19 | 32 |
| 2004 | 19 | 33 |
| 2005 | 10 | 18 |
| 2006 | 27 | 16 |
| 2007 | 20 | 17 |
| 2008 | 15 | 27 |
| 2009 | 9 | 19 |
| 2010 | 16 | 11 |
| 2011 | 18 | 11 |
| 2012 | 10 | 9 |
| 2013 | 2 | 12 |
| 2014 | 7 | 8 |
| 2015 | 13 | 14 |
| 2016 | 15 | 15 |
| 2017 | 11 | 12 |
| 2018 | 6 | 14 |
| 2019 | 6 | 9 |
| 2020 | 11 | 8 |
| 2021 | 9 | 32 |
| 2022 | 12 | 17 |
| 2023 | 16 | 13 |
| 2024 | 14 | 25 |
| 2025 | 15 | 14 |
| 2026 | 11 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B29C 45/5008Drive means therefor316
- B29C 45/52Non-return devices121
- B29C 2045/5096Decompression of the moulding material by retraction or opposite rotation of theIndexing code26
- B29C 45/5092Intrusion moulding, i.e. the screw rotates during injection20
- B29C 2045/5004The forward screw end provided with an injection ramIndexing code2
Recent patents
- Systems and approaches for manufacturing parts1 Sep 2026US 12,722,334 B2The Procter & Gamble Company
- Controller for injection molding machine, injection molding machine, and control method for injection molding machine30 Jun 2026US 12,668,009 B2Sumitomo Heavy Industries, Ltd.
- Screw for direct molding, injection molding apparatus, and kneading piece12 May 2026US 12,623,384 B2The Japan Steel Works, Ltd.
- Injection molding machine with controller for diagnosing injection molding machine5 May 2026US 12,617,138 B2The Japan Steel Works, Ltd.
- Control method for injection molding machine and injection molding machine5 May 2026US 12,617,139 B2Shibaura Machine Co., Ltd.
- Injection molding machine1 Oct 2026US 2026/0295915 A1Toyo Innovex Co., Ltd.
- Vacuum degasser, injection unit provided with same, and method for vacuum degassing27 Aug 2026US 2026/0249531 A1The Japan Steel Works, Ltd.
- Injection molding machine and control method thereof27 Aug 2026US 2026/0249534 A1Delta Electronics, Inc.
- Injection molding machine23 Jul 2026US 2026/0208417 A1Sodick Co., Ltd.
- Plasticizing device, injection molding device, and decelerator16 Jul 2026US 2026/0200150 A1Seiko Epson Corporation
Most cited
By later US patents
- Injection molding machines having a brushless DC drive system82US 4,988,273 ACincinnati Milacron Inc. · 1991
- Injection molding machine55US 4,540,359 ANissei Plastics Industrial Co., Ltd. · 1985
- Screw apparatus and method for supplying reinforcing fiber-containing molten resin using the apparatus45US 5,653,534 ASumitomo Chemical Company, Limited · 1997
- Molding machine44US 6,051,896 AMisso Electric Company · 2000
- Process for injection molding machine with electric drives40US 5,911,924 AProcontrol, Inc. · 1999