B21D 51/08
Ball-shaped objects
Official title: ball-shaped objects
B21D51/08 (Ball-shaped objects) appears on 21 US grants and 16 published applications in this corpus.
Search patents in B21D- Granted patents
- 21
- Published applications
- 16
- Assignees
- 15
- Inventors
- 51
- Latest grant
- 10 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 1 | 2 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 2 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 2 |
| 2022 | 1 | 1 |
| 2023 | 1 | 1 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Automated punching station for the production of punched components, punched component and relative production method10 Jun 2025US 12,324,571 B2Hpf S.R.L.
- Manufacture of an air inlet lip or ring sector of an air inlet lip incorporating openings with turned-in edges29 Oct 2024US 12,129,793 B2Safran Nacelles
- Systems and methods for launch vehicle dome manufacturing19 Sep 2023US 11,759,837 B1ABL Space Systems
- Forming device and method for large thin-walled part with curved surface1 Mar 2022US 11,260,444 B2Harbin Institute of Technology
- Method and system for controlling axial length of ellipsoidal shells based on liquid volume loading8 Jun 2021US 11,027,863 B2Harbin Institute of Technology
- Automated sphere plate pressing method16 Jul 2026US 2026/0199948 A1CB&I STS Delaware LLC
- Manufacture of an air inlet lip or ring sector of an air inlet lip incorporating openings with turned-in edges14 Sep 2023US 2023/0287835 A1Safran Nacelles
- Automated punching station for the production of punched components, punched component and relative production method10 Feb 2022US 2022/0040877 A1Hpf S.R.L.
- Method and system for controlling axial length of ellipsoidal shells based on liquid volume loading6 May 2021US 2021/0130016 A1Harbin Institute of Technology
- Forming device and method for large thin-walled part with curved surface18 Feb 2021US 2021/0046534 A1Harbin Institute of Technology
Most cited
By later US patents
- Filler body for receptacles for combustible fluids and method of making same38US 4,613,054 A1986
- Process for the production of hollow ball bearings33US 5,659,956 A1997
- Fully rounded jingle bell making method14US 5,297,324 A1994
- Method of and apparatus for fabricating dimensionally stable, cylindrical filler bodies and expanded material14US 5,781,976 A1998
- Method and device for manufacturing filler elements from expanded material10US 5,247,822 A1993