B21D 22/185
Making domed objects
Official title: {making domed objects}
B21D22/185 (Making domed objects) appears on 15 US grants and 11 published applications in this corpus.
Search patents in B21D- Granted patents
- 15
- Published applications
- 11
- Assignees
- 15
- Inventors
- 34
- Latest grant
- 26 Sep 2017
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 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 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 2 |
| 2008 | 1 | 0 |
| 2009 | 1 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 3 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 2 | 0 |
| 2017 | 3 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cold-formed tank head for railroad tank car26 Sep 2017US 9,771,630 B1Samuel, Son & Co., Limited
- Spin forming process and apparatus for manufacturing articles by spin forming21 Mar 2017US 9,597,721 B2Cambridge Enterprise Limited
- Cold-formed tank head for railroad tank car17 Jan 2017US 9,545,932 B1Samuel, Son & Co., Limited
- Method for shaping an essentially flat-surfaced blank to form a shell body and use thereof18 Oct 2016US 9,468,965 B2Mt Aerospace AG
- Method for forming a pipe section12 Jan 2016US 9,233,412 B2Leifeld Metal Spinning AG
- Automated sphere plate pressing method16 Jul 2026US 2026/0199948 A1CB&I STS Delaware LLC
- Apparatus for spin-forming a circular body from a flat blank metal workpiece17 Dec 2020US 2020/0391270 A1
- Method for Producing a Formed Body23 May 2019US 2019/0151923 A1thyssenkrupp AG
- Method for forming a pipe section26 Sep 2013US 2013/0247635 A1Leifeld Metal Spinning AG
- Method for shaping an essentially flat-surfaced blank to form a shell body and use thereof29 Aug 2013US 2013/0219981 A1Mt Aerospace AG
Most cited
By later US patents
- Method and apparatus for forming sheet metal49US 7,536,892 B2Amino Corporation · 2009
- Sequential forming device45US 6,823,705 B2Honda Giken Kogyo Kabushiki Kaisha · 2004
- Process and device for metal spinning23US 5,218,849 AZeppelin-Metallwerke GmbH · 1993
- Method for manufacturing a dome from an undersized blank19US 6,199,419 B12001
- Method for manufacturing a dome from an undersized blank8US 6,006,569 A1999