B21C 47/00
Winding-up, coiling or winding-off metal wire, metal band or other flexible metal
Official title: Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only (coiling wire into particular forms B21F3/00)
B21C47/00 (Winding-up, coiling or winding-off metal wire, metal band or other flexible metal) appears on 993 US grants and 687 published applications in this corpus.
Search patents in B21C- Granted patents
- 993
- Published applications
- 687
- Assignees
- 530
- Inventors
- 1,980
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 31 | 0 |
| 1977 | 36 | 0 |
| 1978 | 26 | 0 |
| 1979 | 17 | 0 |
| 1980 | 22 | 0 |
| 1981 | 24 | 0 |
| 1982 | 16 | 0 |
| 1983 | 18 | 0 |
| 1984 | 16 | 0 |
| 1985 | 14 | 0 |
| 1986 | 11 | 0 |
| 1987 | 11 | 0 |
| 1988 | 17 | 0 |
| 1989 | 14 | 0 |
| 1990 | 23 | 0 |
| 1991 | 12 | 0 |
| 1992 | 10 | 0 |
| 1993 | 11 | 0 |
| 1994 | 21 | 0 |
| 1995 | 13 | 0 |
| 1996 | 17 | 0 |
| 1997 | 15 | 0 |
| 1998 | 16 | 0 |
| 1999 | 28 | 0 |
| 2000 | 26 | 0 |
| 2001 | 28 | 4 |
| 2002 | 23 | 21 |
| 2003 | 21 | 22 |
| 2004 | 20 | 27 |
| 2005 | 11 | 18 |
| 2006 | 17 | 30 |
| 2007 | 14 | 20 |
| 2008 | 12 | 22 |
| 2009 | 14 | 27 |
| 2010 | 11 | 28 |
| 2011 | 13 | 26 |
| 2012 | 25 | 28 |
| 2013 | 20 | 36 |
| 2014 | 16 | 20 |
| 2015 | 23 | 36 |
| 2016 | 16 | 23 |
| 2017 | 25 | 23 |
| 2018 | 27 | 42 |
| 2019 | 22 | 34 |
| 2020 | 23 | 24 |
| 2021 | 28 | 26 |
| 2022 | 23 | 40 |
| 2023 | 21 | 37 |
| 2024 | 24 | 24 |
| 2025 | 37 | 30 |
| 2026 | 14 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B21C 47/02Winding-up or coiling365
- B21C 47/24Transferring coils to or from winding apparatus or to or from operative243
- B21C 47/34Feeding or guiding devices not specially adapted to a particular type of201
- B21C 47/26Special arrangements with regard to simultaneous or subsequent treatment of the material159
- B21C 47/16Unwinding or uncoiling137
- B21C 47/28Drums or other coil-holders124
- B21C 47/003Regulation of tension or speed69
- B21C 47/006Winding-up or winding-off several parallel metal bands67
All 9 subgroupsShow fewer
Recent patents
- High strength steel sheet and method of producing same6 Oct 2026US 12,753,454 B2Jfe Steel Corporation
- Method of producing a steel sheet for cans6 Oct 2026US 12,753,472 B2Jfe Steel Corporation
- Motor and transmission case of high-speed wire rod integrated laying head composed of same15 Sep 2026US 12,738,796 B2Hengshui Haxite Hydraulic Machinery Co., Ltd.
- Apparatus for removing foreign matter on hot-rolled steel strip18 Aug 2026US 12,708,931 B2Posco
- Additive manufacturing of multilayered structures16 Jun 2026US 12,654,417 B2FMC Technologies, Inc.
- Meandering correction apparatus for metal strip and meandering correction method for metal strip24 Sep 2026US 2026/0284727 A1Jfe Steel Corporation
- Winding method and system27 Aug 2026US 2026/0249341 A1Primetals Technologies Austria GmbH
- Scrap clearing system, metal-strip production line, and scrap clearing method13 Aug 2026US 2026/0233273 A1Primetals Technologies Austria GmbH
- Apparatus having a coiling device23 Jul 2026US 2026/0208248 A1SMS group GmbH
- Rolling plant comprising a system for mechanised unloading and loading of a sleeve23 Jul 2026US 2026/0208250 A1Fives Dms
Most cited
By later US patents
- Wire coiling apparatus with a recovery device for a coiled wire reel74US 4,869,437 ASMS Schloemann-Siemag Aktiengesellschaft · 1989
- Wire supply reel support device50US 5,060,882 AThe Lincoln Electric Company · 1991
- Driven mandrel and method42US 4,212,179 AThe Gates Rubber Company · 1980
- Method and apparatus for packing wire in a storage drum42US 6,260,781 B1Lincoln Global.Inc. · 2001
- Coiler spindle for winding a band-type product and its use39US 5,996,929 AKvaerner Metals Clecim · 1999