B30B 11/221
Extrusion dies
Official title: {extrusion dies}
B30B11/221 (Extrusion dies) appears on 92 US grants and 62 published applications in this corpus.
Search patents in B30B- Granted patents
- 92
- Published applications
- 62
- Assignees
- 78
- Inventors
- 207
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 5 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 5 | 0 |
| 1985 | 3 | 0 |
| 1986 | 6 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 6 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 2 |
| 2005 | 0 | 3 |
| 2006 | 1 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 3 |
| 2010 | 0 | 1 |
| 2011 | 1 | 2 |
| 2012 | 1 | 4 |
| 2013 | 1 | 8 |
| 2014 | 4 | 3 |
| 2015 | 1 | 5 |
| 2016 | 6 | 1 |
| 2017 | 0 | 4 |
| 2018 | 1 | 4 |
| 2019 | 1 | 4 |
| 2020 | 3 | 4 |
| 2021 | 4 | 3 |
| 2022 | 1 | 1 |
| 2023 | 2 | 1 |
| 2024 | 1 | 4 |
| 2025 | 1 | 2 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Die, method of manufacturing die, extruder and method of manufacturing pellet7 Apr 2026US 12,594,709 B2The Japan Steel Works, Ltd.
- Nozzle for extruding a material rich in protein and water, as well as an extrusion machine comprising such a nozzle3 Mar 2026US 12,564,993 B2Clextral
- Method and apparatus for forming high strength products2 Sep 2025US 12,403,641 B2Guill Tool & Engineering Co., Inc.
- Multi-chamber pellet die system13 Feb 2024US 11,897,221 B2University of South Carolina
- Micro-layer tubular extrusion products5 Dec 2023US 11,833,726 B2Guill Tool & Engineering Co., Inc.
- Die for producing aerosol-generating articles18 Dec 2025US 2025/0381721 A1Smoore International Holdings Limited
- A production method, and a ceramic product obtained by such method20 Mar 2025US 2025/0091247 A1Reliefed AB
- Method and apparatus for forming high strength products14 Mar 2024US 2024/0083084 A1Guill Tool & Engineering Co., Inc.
- Method and device for coaxially extruding an extruded product8 Feb 2024US 2024/0042667 A1Technische UniversitäT Berlin
- Method and device for producing an extruded product25 Jan 2024US 2024/0024938 A1Technische UniversitäT Berlin
Most cited
By later US patents
- Fuel pelletizing apparatus and method72US 4,834,777 AHydraulic Services Inc. · 1989
- Annular die for a lamination product54US 5,076,776 AMitsubishi Plastics Industries Limited · 1991
- Method for preparing cooked wheat product49US 4,438,146 ANew Generation Foods, Inc. · 1984
- Extrusion head42US 4,217,083 ADiepal Corporation · 1980
- Machinery for making encrusted food products41US 4,469,475 A1984