B21D 43/16
By gravity
Official title: by gravity, e.g. chutes
B21D43/16 (By gravity) appears on 23 US grants and 13 published applications in this corpus.
Search patents in B21D- Granted patents
- 23
- Published applications
- 13
- Assignees
- 19
- Inventors
- 41
- Latest grant
- 4 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 1 | 2 |
| 2017 | 1 | 0 |
| 2018 | 1 | 0 |
| 2019 | 2 | 0 |
| 2020 | 0 | 2 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 2 |
| 2024 | 0 | 1 |
| 2025 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Seaming device4 Feb 2025US 12,214,409 B2TOYO SEIKAN GROUP ENGINEERING CO., Ltd.
- Container member supply device4 Feb 2025US 12,214,410 B2TOYO SEIKAN GROUP ENGINEERING CO., Ltd.
- Cup feed mechanism for vertical bodymaker3 May 2022US 11,318,523 B2Stolle Machinery Company, LLC
- Cup feed mechanism for vertical bodymaker31 Dec 2019US 10,518,313 B2Stolle Machinery Company, LLC
- Workpiece discharging devices and related systems and methods22 Oct 2019US 10,449,593 B2TRUMPF Werkzeugmaschinen GmbH + Co. KG
- Apparatus and method to collect products, in particular metal products, from a work machine5 Jun 2025US 2025/0178064 A1M. E. P. Macchine Elettroniche Piegatrici SpA
- Conversion press for can ends31 Oct 2024US 2024/0359228 A1Alfons Haar, Inc.
- Container member supply device5 Jan 2023US 2023/0001467 A1TOYO SEIKAN GROUP ENGINEERING CO., Ltd.
- Seaming device5 Jan 2023US 2023/0001468 A1TOYO SEIKAN GROUP ENGINEERING CO., Ltd.
- Cup feed mechanism for vertical bodymaker12 Mar 2020US 2020/0078852 A1Stolle Machinery Company, LLC
Most cited
By later US patents
- System and apparatus for forming containers17US 4,483,172 ARedicon Corporation · 1984
- Rotary cup infeed16US 4,928,511 ASequa Corporation · 1990
- Cup feeding mechanism11US 4,534,202 ANational Can Corporation · 1985
- Can end feed mechanism10US 4,019,452 AAmerican Can Company · 1977
- Gravity-operated blank loading device10US 6,085,571 AGeneral Motors Corporation · 2000