B29C 44/421
By plastizising the material into a shot cavity and injecting using a
Official title: {by plastizising the material into a shot cavity and injecting using a plunger}
B29C44/421 (By plastizising the material into a shot cavity and injecting using a) appears on 28 US grants and 18 published applications in this corpus.
Search patents in B29C- Granted patents
- 28
- Published applications
- 18
- Assignees
- 20
- Inventors
- 66
- Latest grant
- 1 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 2 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 2 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 2 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 1 | 2 |
| 2020 | 1 | 3 |
| 2021 | 0 | 1 |
| 2022 | 3 | 2 |
| 2023 | 1 | 1 |
| 2024 | 3 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Blowing agents in polymer foam processing systems1 Apr 2025US 12,264,226 B2Trexel, Inc.
- Molding system and method3 Sep 2024US 12,076,892 B2NIKE, Inc.
- Foamed resin molded article and method for manufacturing same28 May 2024US 11,992,980 B2Toyota Boshoku Kabushiki Kaisha
- Injection mold, injection molding machine including injection mold, and method for manufacturing injection-molded product using injection molding machine14 May 2024US 11,981,055 B2LG Chem.Ltd.
- Molding system and method10 Oct 2023US 11,780,134 B2NIKE, Inc.
- Blowing agents in polymer foam processing systems13 Apr 2023US 2023/0113531 A1Trexel, Inc.
- Molding system and method8 Dec 2022US 2022/0388207 A1NIKE, Inc.
- Molding system and method18 Aug 2022US 2022/0258393 A1NIKE, Inc.
- Injection mold, injection molding machine including injection mold, and method for manufacturing injection-molded product using injection molding machine2 Sep 2021US 2021/0268694 A1LG Chem.Ltd.
- Molding system and method26 Mar 2020US 2020/0094452 A1NIKE, Inc.
Most cited
By later US patents
- Method and apparatus for making large size, low density, elongated thermoplastic cellular bodies98US 4,323,528 AValcour Imprinted Papers, Inc. · 1982
- Injection-expansion molded, thermoplastic resin product and production process thereof81US 5,997,781 AMitsui Chemicals, Inc. · 1999
- Method for producing an improved molded thermoplastic article48US 3,962,154 AThe Standard Oil Company · 1976
- Method of injection molding a foamed plastic article using a relatively light gas as a blowing agent48US 4,783,292 A1988
- Method for injection foam molding31US 4,155,969 AEx-Cell-O Corporation · 1979