B21J 9/20
Control devices specially adapted to forging presses not restricted to one of
Official title: Control devices specially adapted to forging presses not restricted to one of the preceding subgroups
B21J9/20 (Control devices specially adapted to forging presses not restricted to one of) appears on 89 US grants and 58 published applications in this corpus.
Search patents in B21J- Granted patents
- 89
- Published applications
- 58
- Assignees
- 69
- Inventors
- 178
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 6 | 1 |
| 2002 | 3 | 1 |
| 2003 | 1 | 1 |
| 2004 | 0 | 2 |
| 2005 | 1 | 4 |
| 2006 | 2 | 1 |
| 2007 | 2 | 0 |
| 2008 | 2 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 3 |
| 2012 | 1 | 1 |
| 2013 | 0 | 3 |
| 2014 | 0 | 1 |
| 2015 | 2 | 3 |
| 2016 | 1 | 3 |
| 2017 | 2 | 4 |
| 2018 | 4 | 5 |
| 2019 | 2 | 3 |
| 2020 | 5 | 3 |
| 2021 | 4 | 3 |
| 2022 | 2 | 1 |
| 2023 | 3 | 6 |
| 2024 | 2 | 6 |
| 2025 | 4 | 1 |
| 2026 | 5 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Manufacturing system26 May 2026US 12,636,698 B2Tusas- Turk Havacilik Ve Uzay Sanayii Anonim Sirketi
- Hydraulic forming machine for pressing workpieces, in particular forging hammer, and method for operating a hydraulic forming machine, in particular a forging hammer14 Apr 2026US 12,599,954 B2Langenstein & Schemann GmbH
- Method for automated pass schedule calculation in radial forging31 Mar 2026US 12,589,429 B2SMS group GmbH
- Method for automated pass schedule calculation in forging stepped shafts31 Mar 2026US 12,589,430 B2SMS group GmbH
- Method for automated pass schedule calculation in radial forging27 Jan 2026US 12,535,802 B2SMS group GmbH
- Energy-saving control system for production apparatus and energy-saving control method thereof4 Jun 2026US 2026/0151826 A1Metal Industries Research & Development Centre
- Smx forging strategy25 Dec 2025US 2025/0387826 A1SMS group GmbH
- Method for manufacturing a control device, and control device1 Aug 2024US 2024/0253463 A1Nanomade Lab
- Manufacturing system20 Jun 2024US 2024/0198412 A1Tusas- Turk Havacilik Ve Uzay Sanayii Anonim Sirketi
- Hydraulic forming machine for pressing workpieces, in particular forging hammer, and method for operating a hydraulic forming machine, in particular a forging hammer30 May 2024US 2024/0173765 A1Langenstein & Schemann GmbH
Most cited
By later US patents
- Hydraulic machine26US 6,240,758 B1Toyokoki Co., Ltd. · 2001
- Impact extrusion molded article, and impact extrusion molding method, and an impact extrusion molding apparatus20US 7,117,704 B2Furukawa-Sky Aluminum Corp. · 2006
- Hydraulic protection device for presses19US 4,030,336 A1977
- Closed forging press17US 4,321,818 AKawaski Yukon Kabushiki Kaisha · 1982
- Forging press14US 4,148,209 AKawasaki Yukoh Kabushiki Kaisha · 1979