B29C 45/62
Barrels or cylinders
B29C45/62 (Barrels or cylinders) appears on 111 US grants and 128 published applications in this corpus.
Search patents in B29C- Granted patents
- 111
- Published applications
- 128
- Assignees
- 76
- Inventors
- 262
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 3 |
| 2003 | 2 | 2 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 2 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 4 |
| 2009 | 2 | 2 |
| 2010 | 1 | 1 |
| 2011 | 2 | 1 |
| 2012 | 0 | 1 |
| 2013 | 1 | 2 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 4 |
| 2017 | 2 | 9 |
| 2018 | 1 | 9 |
| 2019 | 7 | 3 |
| 2020 | 4 | 6 |
| 2021 | 4 | 38 |
| 2022 | 10 | 13 |
| 2023 | 13 | 8 |
| 2024 | 13 | 8 |
| 2025 | 8 | 5 |
| 2026 | 5 | 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.
- Resin molded body and resin molded body production method14 Jul 2026US 12,679,951 B2Mitsubishi Chemical Corporation
- Extrusion device30 Jun 2026US 12,668,005 B2Aisapack Holding S.A.
- Pressure moulding process and related pressure moulding device31 Mar 2026US 12,589,528 B2Persico S.P.A.
- Resin molded body and resin molded body production method24 Mar 2026US 12,583,997 B2Mitsubishi Chemical Corporation
- 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
- Temperature control device for a plasticizing screw and/or a plasticizing cylinder of a plasticizing unit11 Jun 2026US 2026/0158722 A1
- Injection molding machine30 Apr 2026US 2026/0115982 A1Seikoh Giken Co., Ltd.
- Injection unit and injection molding machine provided with same8 Jan 2026US 2026/0008215 A1The Japan Steel Works, Ltd.
Most cited
By later US patents
- Apparatus embodying explosively removable sleeve22US 4,133,460 A1979
- Reinforced tubing manufacture by a plastic processing screw machine15US 5,851,477 A1998
- Resin molding process employing a mickel-based alloy liner12US 4,863,661 AXaloy, Inc. · 1989
- Plasticizing apparatus for use in an injection molding machine11US 5,182,118 A1993
- Multiphase matter introduction with a plasticating screw arrangement11US 5,670,112 ADynamic Mixer, Inc. · 1997