B21J 13/14
Ejecting devices
B21J13/14 (Ejecting devices) appears on 104 US grants and 43 published applications in this corpus.
Search patents in B21J- Granted patents
- 104
- Published applications
- 43
- Assignees
- 63
- Inventors
- 165
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 5 | 0 |
| 1980 | 2 | 0 |
| 1981 | 7 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 1 | 0 |
| 1990 | 5 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 1 |
| 2003 | 0 | 4 |
| 2004 | 2 | 2 |
| 2005 | 1 | 1 |
| 2006 | 3 | 2 |
| 2007 | 2 | 1 |
| 2008 | 1 | 1 |
| 2009 | 2 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 2 |
| 2015 | 1 | 1 |
| 2016 | 0 | 2 |
| 2017 | 3 | 2 |
| 2018 | 2 | 4 |
| 2019 | 1 | 4 |
| 2020 | 6 | 3 |
| 2021 | 3 | 1 |
| 2022 | 3 | 3 |
| 2023 | 1 | 2 |
| 2024 | 4 | 3 |
| 2025 | 1 | 0 |
| 2026 | 1 | 2 |
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 controllable forging of forming flow line of complex-shaped component15 Apr 2025US 12,275,058 B1Southwest Technology and Engineering Research Institute
- Workpiece ejecting system for use in stamping machine29 Oct 2024US 12,128,471 B2Akribis Systems Pte Ltd
- Rebar upsetting process and rebar upset forging machine17 Sep 2024US 12,090,544 B2Zhejiang Ruicheng Machinery Manufacturing Co., Ltd.
- Stock lifter assembly30 Apr 2024US 11,969,775 B2Standard Lifters, Inc.
- Method and mold for cold extrusion forming of wheel hub18 Jun 2026US 2026/0166612 A1Ningbo J.B.J Intelligence Technology Co., Ltd.
- Fixed structure, fixing method, and fixing device1 Jan 2026US 2026/0001120 A1Kaga, Inc.
- Autogenic canister for metal recycling by indirect hot extrusion26 Sep 2024US 2024/0316632 A1LeTourneau University
- Rebar upsetting process and rebar upset forging machine11 Jul 2024US 2024/0226993 A9Zhejiang Ruicheng Machinery Manufacturing Co., Ltd.
- Rebar upsetting process and rebar upset forging machine25 Apr 2024US 2024/0131575 A1Zhejiang Ruicheng Machinery Manufacturing Co., Ltd.
Most cited
By later US patents
- Warm forging of connecting rod caps20US 4,222,260 AWSP Industries Corporation · 1980
- Method and apparatus for forging bevel gears16US 4,050,283 ABayerisches Leichtmetallwerk Graf Blucher von Wahlstatt KG · 1977
- C-Frame press15US 4,434,646 AAida Engineering, Ltd. · 1984
- Railroad spike forging machine12US 4,493,202 AStafford Rail Products, Inc. · 1985
- Forging die and upset forging method12US 6,250,128 B1Komatsu Industries Corporation · 2001