B21C 47/006
Winding-up or winding-off several parallel metal bands
Official title: {winding-up or winding-off several parallel metal bands}
B21C47/006 (Winding-up or winding-off several parallel metal bands) appears on 67 US grants and 31 published applications in this corpus.
Search patents in B21C- Granted patents
- 67
- Published applications
- 31
- Assignees
- 41
- Inventors
- 103
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 4 | 0 |
| 1980 | 5 | 0 |
| 1981 | 5 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 3 | 2 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 2 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 1 | 2 |
| 2017 | 1 | 4 |
| 2018 | 3 | 3 |
| 2019 | 1 | 2 |
| 2020 | 3 | 1 |
| 2021 | 2 | 2 |
| 2022 | 1 | 2 |
| 2023 | 2 | 1 |
| 2024 | 0 | 0 |
| 2025 | 2 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Additive manufacturing of multilayered structures16 Jun 2026US 12,654,417 B2FMC Technologies, Inc.
- Rewind system16 Dec 2025US 12,497,256 B2Contemporary Amperex Technology (Hong Kong) Limited
- Equipment for manufacturing separator for fuel cell and method of manufacturing same14 Jan 2025US 12,194,521 B2Elf System Co., LTD
- Reversing reel and method of operating a reversing reel31 Oct 2023US 11,801,543 B2SMS group GmbH
- Mult threader with separator shaft assembly and clamp bar18 Jul 2023US 11,702,313 B2Butech, Inc.
- Additive manufacturing of multilayered structures23 Oct 2025US 2025/0326197 A1FMC Technologies, Inc.
- Rewind system12 Oct 2023US 2023/0322514 A1Contemporary Amperex Technology Co., Limited
- Equipment for manufacturing separator for fuel cell and method of manufacturing same21 Jul 2022US 2022/0226875 A1Elf System Co., LTD
- Reversing reel and method of operating a reversing reel17 Mar 2022US 2022/0080485 A1SMS group GmbH
- Mult threader with separator shaft assembly and clamp bar5 Aug 2021US 2021/0238004 A1Butech, Inc.
Most cited
By later US patents
- Method and combination for winding strands of web material having varying thicknesses on a take-up drum34US 4,201,352 ALoopco Industries, Inc. · 1980
- Metal web handling method, apparatus and coil construct18US 4,173,313 A1979
- Rewind apparatus for metal strips16US 4,447,016 APerfecto, Inc. · 1984
- Steel metal web handling method, apparatus, and coil construct15US 4,170,691 A1979
- C-hook pusher assembly13US 5,688,009 AAutomatic Handling, Inc. · 1997