B21C 23/217
Tube extrusion presses
Official title: {Tube extrusion presses (B21C23/218 takes precedence)}
B21C23/217 (Tube extrusion presses) appears on 46 US grants and 46 published applications in this corpus.
Search patents in B21C- Granted patents
- 46
- Published applications
- 46
- Assignees
- 27
- Inventors
- 68
- Latest grant
- 23 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 4 |
| 2015 | 1 | 6 |
| 2016 | 2 | 2 |
| 2017 | 4 | 6 |
| 2018 | 2 | 3 |
| 2019 | 4 | 1 |
| 2020 | 4 | 6 |
| 2021 | 3 | 3 |
| 2022 | 7 | 3 |
| 2023 | 3 | 3 |
| 2024 | 1 | 2 |
| 2025 | 3 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Shear assisted extrusion apparatus, tools, and methods23 Dec 2025US 12,502,701 B2Battelle Memorial Institute
- Functionally graded coatings and claddings5 Aug 2025US 12,377,455 B2Battelle Memorial Institute
- Processes and/or machines for producing continuous plastic deformation, and/or compositions and/or manufactures produced thereby8 Jul 2025US 12,350,740 B2
- Methods, systems, and apparatus for component manufacturing12 Nov 2024US 12,138,708 B2Goodrich Corporation
- Method for producing seamless pipes and extruder15 Aug 2023US 11,724,297 B1Foshan Nanhai Mingsheng Machinery Manufacturing Co. Ltd
- Shear Assisted Extrusion Apparatus, Tools, and Methods21 May 2026US 2026/0138170 A1Battelle Memorial Institute
- Process and apparatus for producing a hollow cylinder for a medical application7 May 2026US 2026/0124051 A1BIOTRONIK SE & Co. KG
- Processes and/or Machines for Producing Continuous Plastic Deformation, and/or Compositions and/or Manufactures Produced Thereby16 Oct 2025US 2025/0319517 A1
- Extrusion with specifiable or variable wall thickness14 Mar 2024US 2024/0082898 A1Battelle Memorial Institute
- Shear Assisted Extrusion Apparatus, Tools, and Methods11 Jan 2024US 2024/0009725 A1Battelle Memorial Institute
Most cited
By later US patents
- Functionally graded coatings and claddings20US 10,695,811 B2Battelle Memorial Institute · 2020
- Aluminum extruding machine19US 5,595,085 A1997
- Press for hydrostatic extrusion of tubes18US 3,994,149 AAllmanna Svenska Elektriska Aktiebolaget · 1976
- Thermal controlled mandrel with replaceable tip for copper and brass extrusion11US 5,687,604 AExco Technologies Limited · 1997
- Extrusion press with multipurpose side cylinders6US 4,050,281 ASutton Engineering Company · 1977