B29C 45/54
And plasticising screw
Official title: and plasticising screw {(B29C45/532 takes precedence)}
B29C45/54 (And plasticising screw) appears on 201 US grants and 190 published applications in this corpus.
Search patents in B29C- Granted patents
- 201
- Published applications
- 190
- Assignees
- 134
- Inventors
- 440
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 4 | 0 |
| 1998 | 6 | 0 |
| 1999 | 6 | 0 |
| 2000 | 9 | 0 |
| 2001 | 6 | 3 |
| 2002 | 7 | 6 |
| 2003 | 10 | 13 |
| 2004 | 3 | 4 |
| 2005 | 1 | 11 |
| 2006 | 6 | 8 |
| 2007 | 5 | 9 |
| 2008 | 7 | 9 |
| 2009 | 4 | 8 |
| 2010 | 11 | 1 |
| 2011 | 1 | 6 |
| 2012 | 1 | 9 |
| 2013 | 2 | 3 |
| 2014 | 5 | 4 |
| 2015 | 3 | 4 |
| 2016 | 4 | 3 |
| 2017 | 1 | 4 |
| 2018 | 4 | 6 |
| 2019 | 4 | 6 |
| 2020 | 6 | 5 |
| 2021 | 4 | 22 |
| 2022 | 8 | 14 |
| 2023 | 9 | 7 |
| 2024 | 12 | 8 |
| 2025 | 4 | 11 |
| 2026 | 8 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B29C 45/542Using an accumulator between plasticising and injection unit31
- B29C 2045/547Continuously rotating plasticising screw cooperating with a single injection plungerIndexing code18
- B29C 2045/545Alternately operating injection plungersIndexing code16
- B29C 45/544The plasticising unit being connected to a transfer chamber in the injection11
- B29C 45/541Using a hollow plasticising screw co-operating with a coaxial injection ram8
- B29C 2045/548Reciprocating plasticising screwsIndexing code7
Recent patents
- Motor core manufacturing device and motor core manufacturing method22 Sep 2026US 12,741,405 B2NHK Spring Co., Ltd.
- Injection apparatus and method of manufacturing resin body28 Jul 2026US 12,691,616 B2Canon Kabushiki Kaisha
- Extrusion device30 Jun 2026US 12,668,005 B2Aisapack Holding S.A.
- Manufacturing apparatus control method, manufacturing system, control apparatus, and molded article manufacturing method2 Jun 2026US 12,643,272 B2Canon Kabushiki Kaisha
- Injection device14 Apr 2026US 12,600,067 B2Sodick Co., Ltd.
- Manufacturing apparatus control method, manufacturing system, control apparatus, and molded article manufacturing method17 Sep 2026US 2026/0273821 A1Canon Kabushiki Kaisha
- Melter device for injection molding apparatus and injection-molded object using the same13 Aug 2026US 2026/0233447 A1Century Innovation Corporation
- Motor core manufacturing method and motor core manufacturing apparatus25 Jun 2026US 2026/0175482 A1NHK Spring Co., Ltd.
- Injection Molding Machine, Injection Device, and Method of Controlling Injection Molding Machine7 May 2026US 2026/0124797 A1The Japan Steel Works, Ltd.
- Injection molding machine26 Feb 2026US 2026/0054437 A1Sodick Co., Ltd.
Most cited
By later US patents
- Multi-cavity, co-injection molding apparatus83US 5,028,226 ACMB Foodcan plc · 1991
- Process and apparatus for compounding and injection-moulding desiccant-filled polymers47US 7,744,788 B2Airsec S.A.S. · 2010
- Method and device for mold press forming41US 5,389,315 AKasai Kogyo Co., Ltd. · 1995
- Apparatus for injection molding of parts from foam plastics material and/or from solid plastics material33US 4,390,332 AKMMCO Structural Foam, Inc. · 1983
- Apparatus and method for molding of polyester articles directly from a melt31US 5,968,429 AEastman Chemical Company · 1999