B21K 1/32
Discs
Official title: discs, e.g. disc wheels
B21K1/32 (Discs) appears on 42 US grants and 47 published applications in this corpus.
Search patents in B21K- Granted patents
- 42
- Published applications
- 47
- Assignees
- 39
- Inventors
- 134
- Latest grant
- 7 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 0 |
| 2003 | 1 | 2 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 3 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 1 | 2 |
| 2010 | 1 | 0 |
| 2011 | 1 | 2 |
| 2012 | 1 | 3 |
| 2013 | 1 | 1 |
| 2014 | 2 | 1 |
| 2015 | 2 | 5 |
| 2016 | 1 | 2 |
| 2017 | 2 | 3 |
| 2018 | 2 | 2 |
| 2019 | 1 | 3 |
| 2020 | 5 | 7 |
| 2021 | 3 | 2 |
| 2022 | 5 | 2 |
| 2023 | 1 | 2 |
| 2024 | 1 | 1 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for manufacturing a one-piece wheel by forging and a one-piece wheel manufactured thereby7 Jan 2025US 12,187,073 B2Hands Corporation Ltd.
- High-strength stainless steel rotor and method for preparing the same9 Apr 2024US 11,951,530 B2Central Iron and Steel Research Institute
- Forging process of magnesium alloy wheel hub30 May 2023US 11,660,659 B2CITIC Dicastal Co., Ltd.
- Method and product for manufacturing titanium alloy dual-structure turbine disk based on partial hydrogenation15 Nov 2022US 11,499,215 B2Huazhong University of Science and Technology
- Wheel automatic closed die forging production line and aluminum alloy wheel4 Oct 2022US 11,458,528 B2CITIC Dicastal Co., Ltd.
- Method for producing a part made of a y/y' nickel-based alloy by hot forging7 Aug 2025US 2025/0250656 A1Aubert & Duval
- Railway wheel6 Jun 2024US 2024/0181806 A1Nippon Steel Corporation
- Method for manufacturing a one-piece wheel by forging and a one-piece wheel manufactured thereby8 Jun 2023US 2023/0173840 A1Hands Corporation Ltd.
- Forging Process of Magnesium Alloy Wheel Hub9 Mar 2023US 2023/0071499 A1CITIC Dicastal Co., Ltd.
- Method for manufacturing one-piece wheel having hollow structure for reducing noise, and one-piece wheel using same22 Dec 2022US 2022/0402296 A1Hands Corporation Ltd.
Most cited
By later US patents
- Method of manufacturing dual alloy turbine disks34US 5,100,050 AGeneral Electric Company · 1992
- Dual-alloy disk system32US 5,106,012 AWyman-Gordon Company · 1992
- Method of controlling grain size in forged precipitation-strengthened alloys and components formed thereby28US 8,679,269 B2General Electric Company · 2014
- Method and apparatus for forge-shaping sheet members22US 4,356,717 AHonda Giken Kogyo Kabushiki Kaisha · 1982
- Forging process for superalloys22US 4,579,602 AUnited Technologies Corporation · 1986