B21J 5/022
Open die forging
Official title: {Open die forging}
B21J5/022 (Open die forging) appears on 33 US grants and 48 published applications in this corpus.
Search patents in B21J- Granted patents
- 33
- Published applications
- 48
- Assignees
- 41
- Inventors
- 114
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 2 |
| 2013 | 0 | 2 |
| 2014 | 0 | 4 |
| 2015 | 2 | 4 |
| 2016 | 3 | 6 |
| 2017 | 8 | 4 |
| 2018 | 3 | 7 |
| 2019 | 3 | 3 |
| 2020 | 3 | 3 |
| 2021 | 3 | 1 |
| 2022 | 1 | 3 |
| 2023 | 2 | 2 |
| 2024 | 2 | 1 |
| 2025 | 1 | 2 |
| 2026 | 1 | 2 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Method for manufacturing a large-sized seamless dome, and corresponding dome4 Aug 2026US 12,697,653 B2Albert & Duval
- Method for manufacturing hot-forged member6 May 2025US 12,290,853 B2Proterial, Ltd.
- Component with structured panel(s) and methods for forming the component12 Mar 2024US 11,925,971 B2Rohr, Inc.
- Forged outer ring9 Jan 2024US 11,867,232 B2Aktiebolaget Skf
- Method and apparatus for manufacturing a forged component25 Apr 2023US 11,633,779 B2Hyundai Motor Company
- Progressive area forging method1 Oct 2026US 2026/0295654 A1Doosan Enerbility Co., Ltd.
- Method for manufacturing a large-sized seamless dome, and corresponding dome15 Jan 2026US 2026/0014616 A1Aubert & Duval
- Process monitor for open die forging27 Nov 2025US 2025/0360556 A1SMS group GmbH
- Method for manufacturing hot-forged member5 Jun 2025US 2025/0179620 A1Proterial, Ltd.
- Method for reading a marking, and workpiece26 Dec 2024US 2024/0428031 A1
Most cited
By later US patents
- Thermomechanical processing of high strength non-magnetic corrosion resistant material20US 9,192,981 B2ATI Properties, Inc. · 2015
- Thermal module19US 7,914,902 B2Jiing Tung Tec. Metal Co., Ltd. · 2011
- Method for producing cold-worked centrifugal cast composite tubular products8US 9,574,684 B1ATI Properties, Inc. · 2017
- Non-magnetic alloy forgings5US 10,337,093 B2ATI Properties, Inc. · 2019
- Method for hot forging threads into an end of a steel bar3US 9,266,165 B22016