B21K 7/12
Parts for locomotives or vehicles
Official title: parts for locomotives or vehicles, e.g. frames, underframes
B21K7/12 (Parts for locomotives or vehicles) appears on 22 US grants and 27 published applications in this corpus.
Search patents in B21K- Granted patents
- 22
- Published applications
- 27
- Assignees
- 26
- Inventors
- 68
- Latest grant
- 10 Sep 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 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 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 13 |
| 2016 | 3 | 0 |
| 2017 | 6 | 2 |
| 2018 | 2 | 2 |
| 2019 | 2 | 0 |
| 2020 | 2 | 2 |
| 2021 | 0 | 2 |
| 2022 | 2 | 0 |
| 2023 | 1 | 2 |
| 2024 | 2 | 1 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Method for forming hitch ball head10 Sep 2024US 12,083,583 B2Chuen Chao Enterprises Co., Ltd.
- Component with structured panel(s) and methods for forming the component12 Mar 2024US 11,925,971 B2Rohr, Inc.
- Stabilizer and method of manufacturing same28 Nov 2023US 11,827,068 B2NHK Spring Co., Ltd.
- Manufacturing method of body frame and body frame16 Aug 2022US 11,413,673 B2Honda Motor Co., Ltd.
- Steering knuckle22 Feb 2022US 11,254,358 B2Hubei Tri-Ring Forging Co., Ltd.
- Method for manufacturing a monolithic component13 Mar 2025US 2025/0083835 A1
- Method for forming hitch ball head23 May 2024US 2024/0165694 A1Chuen Chao Enterprises Co., Ltd.
- Method of manufacturing tubular hollow profile vehicle frame parts4 May 2023US 2023/0136264 A1Pole Bicycle Company Oy
- Component with structured panel(s) and methods for forming the component16 Mar 2023US 2023/0079677 A1Rohr, Inc.
- Production method of aluminum alloy forging for automobile suspension27 May 2021US 2021/0156016 A1Showa Denko K. K.
Most cited
By later US patents
- Lightweight steel door for vehicle and method for manufacturing the same11US 8,910,999 B2Arcelormittal Investigacion Y Desarrollo, S.L. · 2014
- Press component and method and device for manufacturing same5US 9,718,499 B2Nippon Steel & Sumitomo Metal Corporation · 2017
- Force transmission device3US 9,568,060 B2Meritor Heavy Vehicle Braking Systems (UK) Limited · 2017
- Pillar for a motor vehicle and method for manufacturing a pillar3US 9,981,696 B2Benteler Automobiltechnik GmbH · 2018
- Lightweight steel door for vehicle and method for manufacturing the same2US 9,308,577 B2ArcelorMittal Investigacion y Desarrolli, S.L. · 2016