B21C 47/04
On or in reels or drums, without using a moving guide
Official title: on or in reels or drums, without using a moving guide
B21C47/04 (On or in reels or drums, without using a moving guide) appears on 157 US grants and 119 published applications in this corpus.
Search patents in B21C- Granted patents
- 157
- Published applications
- 119
- Assignees
- 114
- Inventors
- 370
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 7 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 5 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 5 | 0 |
| 1989 | 6 | 0 |
| 1990 | 5 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 0 |
| 2002 | 4 | 1 |
| 2003 | 4 | 1 |
| 2004 | 0 | 3 |
| 2005 | 0 | 2 |
| 2006 | 4 | 0 |
| 2007 | 1 | 4 |
| 2008 | 1 | 3 |
| 2009 | 4 | 3 |
| 2010 | 0 | 5 |
| 2011 | 1 | 7 |
| 2012 | 5 | 8 |
| 2013 | 1 | 1 |
| 2014 | 4 | 4 |
| 2015 | 5 | 6 |
| 2016 | 3 | 4 |
| 2017 | 4 | 5 |
| 2018 | 5 | 8 |
| 2019 | 6 | 4 |
| 2020 | 4 | 3 |
| 2021 | 6 | 4 |
| 2022 | 3 | 9 |
| 2023 | 2 | 8 |
| 2024 | 8 | 6 |
| 2025 | 10 | 11 |
| 2026 | 1 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Automated rod coil cutting station10 Mar 2026US 12,569,900 B2Primetals Technologies USA LLC
- Strap-winding and strap-coil-deforming system18 Nov 2025US 12,472,547 B2Signode India Ltd.
- Method for mitigating the effects of coil collapse on hot strip mill coils4 Nov 2025US 12,459,021 B2ArcelorMittal
- Method of determining tension pattern and method of coiling steel sheet14 Oct 2025US 12,440,880 B2Jfe Steel Corporation
- Hot-rolled steel sheet and manufacturing method thereof1 Jul 2025US 12,344,913 B2Nippon Steel Corporation
- Winding method and system27 Aug 2026US 2026/0249341 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
- Non-oriented electrical steel sheet and method for manufacturing same23 Jul 2026US 2026/0209878 A1Posco
- Winding device, method of replacing mandrel, and mandrel2 Jul 2026US 2026/0183817 A1Primetals Technologies Japan, Ltd.
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
- Driven mandrel and method42US 4,212,179 AThe Gates Rubber Company · 1980
- Metal wire winding apparatus24US 4,293,103 A1981
- Wire winding machine18US 7,076,985 B22006
- Coiler17US 4,964,587 AMitsubishi Jukogyo Kabushiki Kaisha · 1990