B29C 45/60
Screws
B29C45/60 (Screws) appears on 173 US grants and 165 published applications in this corpus.
Search patents in B29C- Granted patents
- 173
- Published applications
- 165
- Assignees
- 114
- Inventors
- 368
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 5 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 9 | 0 |
| 2000 | 4 | 0 |
| 2001 | 5 | 0 |
| 2002 | 2 | 0 |
| 2003 | 2 | 4 |
| 2004 | 1 | 4 |
| 2005 | 2 | 0 |
| 2006 | 1 | 2 |
| 2007 | 2 | 5 |
| 2008 | 0 | 2 |
| 2009 | 1 | 3 |
| 2010 | 0 | 6 |
| 2011 | 5 | 0 |
| 2012 | 1 | 0 |
| 2013 | 1 | 9 |
| 2014 | 3 | 5 |
| 2015 | 3 | 1 |
| 2016 | 5 | 8 |
| 2017 | 6 | 5 |
| 2018 | 1 | 6 |
| 2019 | 4 | 8 |
| 2020 | 4 | 8 |
| 2021 | 5 | 32 |
| 2022 | 9 | 17 |
| 2023 | 16 | 15 |
| 2024 | 19 | 12 |
| 2025 | 12 | 7 |
| 2026 | 4 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Injection molding machine for foam molding1 Sep 2026US 12,722,332 B2The Japan Steel Works, Ltd.
- Plasticizing device12 May 2026US 12,623,383 B2Seiko Epson Corporation
- Screw for direct molding, injection molding apparatus, and kneading piece12 May 2026US 12,623,384 B2The Japan Steel Works, Ltd.
- Injection molding machine24 Mar 2026US 12,583,156 B2Nissei Plastic Industrial Co., Ltd.
- Plasticizing device, injection molding device, and three-dimensional shaping device2 Sep 2025US 12,403,640 B2Seiko Epson Corporation
- Thixotropic injection molding barrel assembly3 Sep 2026US 2026/0257407 A1Leggera Thixo Technologies LLC
- Plasticizing device, injection molding device, and screw13 Aug 2026US 2026/0233458 A1Seiko Epson Corporation
- Plasticizing device, injection molding device, and screw23 Jul 2026US 2026/0208416 A1Seiko Epson Corporation
- Temperature control device for a plasticizing screw and/or a plasticizing cylinder of a plasticizing unit11 Jun 2026US 2026/0158722 A1
- Injection molding machine26 Feb 2026US 2026/0054437 A1Sodick Co., Ltd.
Most cited
By later US patents
- Screw apparatus and method for supplying reinforcing fiber-containing molten resin using the apparatus45US 5,653,534 ASumitomo Chemical Company, Limited · 1997
- Method and molding screw for injection molding37US 4,802,140 AEastman Kodak Company · 1989
- Methods of injection molding and extruding wet hygroscopic ionomers35US 4,944,906 ASpirex Corporation · 1990
- Screw with wear resistant surface35US 4,949,836 AKrauss-Maffei Aktiengesellschaft · 1990
- Extruder mixing screw34US 5,215,764 AWestland plc · 1993