B29C 44/425
Valve or nozzle constructions
Official title: {Valve or nozzle constructions; Details of injection devices}
B29C44/425 (Valve or nozzle constructions) appears on 38 US grants and 37 published applications in this corpus.
Search patents in B29C- Granted patents
- 38
- Published applications
- 37
- Assignees
- 30
- Inventors
- 60
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 2 |
| 2019 | 1 | 2 |
| 2020 | 2 | 0 |
| 2021 | 2 | 8 |
| 2022 | 1 | 2 |
| 2023 | 5 | 3 |
| 2024 | 6 | 8 |
| 2025 | 2 | 5 |
| 2026 | 5 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Footwear mold assembly for injection-molding25 Aug 2026US 12,715,971 B2NIKE, Inc.
- Footwear mold system for injection-molding21 Apr 2026US 12,606,684 B2NIKE, Inc.
- Molded foam manufacturing apparatus and screw for molded foam manufacturing apparatus31 Mar 2026US 12,589,533 B2Nihon Yuki Co., Ltd.
- Footwear component manufacturing system24 Mar 2026US 12,583,990 B2NIKE, Inc.
- Foam molding method, control method for injection molding machine for foam molding, and injection molding machine for foam molding17 Mar 2026US 12,576,566 B2Shibaura Machine Co., Ltd.
- Foam molding method, control method for injection molding machine for foam molding, and injection molding machine for foam molding2 Jul 2026US 2026/0183994 A1Shibaura Machine Co., Ltd.
- Injection molding system and injection molding method9 Apr 2026US 2026/0097545 A1King Steel Machinery Co., Ltd.
- Method for making molded polymer foam5 Mar 2026US 2026/0061672 A1Dow Global Technologies LLC
- Injection head for expandable polymer foams with anti-seize control21 Aug 2025US 2025/0262631 A1Astom Corporation
- Shut-off nozzle, injection device, and injection molding machine22 May 2025US 2025/0162220 A1The Japan Steel Works, Ltd.
Most cited
By later US patents
- Process for producing a cushioning article47US 6,537,472 B2Asahi Kasei Kabushiki Kaisha · 2003
- Injection molding apparatus having a sprue holder with an inclined retractable ram34US 4,498,860 AMouldmaking Design Centre Limited · 1985
- Device for manufacturing molded articles of plastics material31US 4,789,318 ABattenfeld GmbH · 1988
- Nozzle for mixing at least two flowable reaction components16US 4,582,224 AMaschinenfabrik Hennecke GmbH · 1986
- Injection molding apparatus14US 3,937,447 ASiemag Siegener Maschinenbau GmbH · 1976