B21C 23/218
Indirect extrusion presses
Official title: {Indirect extrusion presses}
B21C23/218 (Indirect extrusion presses) appears on 65 US grants and 30 published applications in this corpus.
Search patents in B21C- Granted patents
- 65
- Published applications
- 30
- Assignees
- 30
- Inventors
- 88
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 5 | 0 |
| 1981 | 1 | 0 |
| 1982 | 7 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 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 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 3 |
| 2018 | 0 | 6 |
| 2019 | 2 | 0 |
| 2020 | 4 | 4 |
| 2021 | 3 | 5 |
| 2022 | 5 | 2 |
| 2023 | 2 | 4 |
| 2024 | 0 | 2 |
| 2025 | 5 | 0 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Autogenic canister for metal recycling by indirect hot extrusion30 Jun 2026US 12,667,885 B2LeTourneau University
- Devices and methods for performing shear-assisted extrusion and extrusion processes17 Feb 2026US 12,551,946 B2Battelle Memorial Institute
- Method for forming hollow profile non-circular extrusions using shear assisted processing and extrusion (ShAPE)21 Oct 2025US 12,447,518 B2Battelle Memorial Institute
- Functionally graded coatings and claddings5 Aug 2025US 12,377,455 B2Battelle Memorial Institute
- High speed shear-assisted extrusion22 Jul 2025US 12,365,027 B2Battelle Memorial Institute
- Method for Forming Hollow Profile Non-Circular Extrusions Using Shear Assisted Processing and Extrusion (ShAPE)22 Jan 2026US 2026/0021524 A1Battelle Memorial Institute
- Autogenic canister for metal recycling by indirect hot extrusion26 Sep 2024US 2024/0316632 A1LeTourneau University
- Devices and methods for performing shear-assisted extrusion and extrusion processes4 Jul 2024US 2024/0216973 A1Battelle Memorial Institute
- Devices and Methods for Performing Shear-Assisted Extrusion and Extrusion Processes18 May 2023US 2023/0150022 A1Battelle Memorial Institute
- Functionally Graded Coatings and Claddings23 Mar 2023US 2023/0088412 A1Battelle Memorial Institute
Most cited
By later US patents
- System and process for formation of extrusion products25US 10,189,063 B2Battelle Memorial Institute · 2019
- Functionally graded coatings and claddings20US 10,695,811 B2Battelle Memorial Institute · 2020
- Device for extruding sections from an ingot16US 4,165,625 ASwiss Aluminium Ltd. · 1979
- Method and apparatus for the extrusion of tubes of easily oxidized materials16US 4,316,373 A1982
- Method for Forming Hollow Profile Non-Circular Extrusions Using Shear Assisted Processing and Extrusion (ShAPE)15US 11,045,851 B2Battelle Memorial Institute · 2021