B21C 1/20
From stock of essentially unlimited length
Official title: from stock of essentially unlimited length (B21C1/22 takes precedence)
B21C1/20 (From stock of essentially unlimited length) appears on 12 US grants and 12 published applications in this corpus.
Search patents in B21C- Granted patents
- 12
- Published applications
- 12
- Assignees
- 11
- Inventors
- 27
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 1 | 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 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 2 |
| 2007 | 1 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 4 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 2 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process for producing an ornamental chain10 Feb 2026US 12,543,827 B2Minervahub S.P.A.
- Method for changing the callibration range of a drawing chain, comprising chain links, of a caterpillar-track drawing machine, and caterpillar-track drawing machine17 Oct 2023US 11,786,950 B2SMS group GmbH
- Method and device for applying coating layers to a coating material30 Aug 2022US 11,426,753 B2
- Caterpillar-traction drawing machine and drawing method1 Mar 2022US 11,260,440 B2SMS group GmbH Sitz Duesseldorf
- Electric conductor combined by composite conductor and its manufacturing method13 Aug 2019US 10,377,109 B2
- Process for producing an ornamental chain and ornamental chain29 Feb 2024US 2024/0065392 A1Minervahub S.P.A.
- Method for changing the callibration range of a drawing chain, comprising chain links, of a caterpillar-track drawing machine, and caterpillar-track drawing machine24 Mar 2022US 2022/0088659 A1SMS group GmbH
- Method and device for applying coating layers to a coating material9 Jan 2020US 2020/0009601 A1Tipper Tie technopack GmbH
- Electric conductor combined by composite conductor and its manufacturing method27 Dec 2018US 2018/0370188 A1
- Systems, methods, and apparatus to preheat welding wire for low hydrogen welding13 Dec 2018US 2018/0354053 A1
Most cited
By later US patents
- Process and device for straight-drawing long drawing material in multiple steps6US 5,771,727 AMannesmann Aktiengesellschaft · 1998
- Method of drawing metal workpieces and drawing unit for a drawing machine6US 6,715,332 B2SMS Meer GmbH · 2004
- Methods and apparatus for drawing wire4US 4,754,633 AStelco Inc. · 1988
- Method for straight-line drawing of round material2US 4,805,434 ASchumag AG · 1989
- Drawing apparatus and method of operating same1US 7,096,706 B2SMS Meer GmbH · 2006