B21C 47/245
Devices for the replacement of full reels by empty reels or vice
Official title: {Devices for the replacement of full reels by empty reels or vice versa, without considerable loss of time}
B21C47/245 (Devices for the replacement of full reels by empty reels or vice) appears on 65 US grants and 37 published applications in this corpus.
Search patents in B21C- Granted patents
- 65
- Published applications
- 37
- Assignees
- 55
- Inventors
- 141
- Latest grant
- 12 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 6 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 0 |
| 2002 | 4 | 2 |
| 2003 | 3 | 1 |
| 2004 | 0 | 2 |
| 2005 | 0 | 0 |
| 2006 | 2 | 2 |
| 2007 | 0 | 1 |
| 2008 | 1 | 1 |
| 2009 | 1 | 2 |
| 2010 | 1 | 0 |
| 2011 | 0 | 2 |
| 2012 | 1 | 0 |
| 2013 | 2 | 2 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 0 | 0 |
| 2017 | 2 | 1 |
| 2018 | 0 | 2 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 3 |
| 2025 | 1 | 8 |
| 2026 | 0 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and apparatus for feeding an elongate workpiece to a forming machine12 Aug 2025US 12,383,952 B2WAFIOS Aktiengesellschaft
- Reversing reel and method of operating a reversing reel31 Oct 2023US 11,801,543 B2SMS group GmbH
- Unreeling apparatus and method7 Sep 2021US 11,111,101 B2SMS group GmbH Sitz Duesseldorf
- Device for winding strip-shaped material6 Aug 2019US 10,370,213 B2Leicht Stanzautomation GmbH
- Winding/unwinding device and method for winding/ unwinding a metal product in a rolling line24 Oct 2017US 9,796,009 B2Danieli & C. Officine Meccaniche SpA
- Winding method and system27 Aug 2026US 2026/0249341 A1Primetals Technologies Austria GmbH
- Rolling plant comprising a system for mechanised unloading and loading of a sleeve23 Jul 2026US 2026/0208250 A1Fives Dms
- Winding device, method of replacing mandrel, and mandrel2 Jul 2026US 2026/0183817 A1Primetals Technologies Japan, Ltd.
- Apparatus for the production of inner assemblies and method thereof9 Apr 2026US 2026/0097920 A1G. D S.p.A.
- Apparatus and method for making a coil, preferably for an electrochemical cell intended for the production of batteries21 Aug 2025US 2025/0266487 A1
Most cited
By later US patents
- Metal wire winding apparatus24US 4,293,103 A1981
- Method and apparatus for gathering rings or wire rods into coils20US 4,437,620 ANippon Steel Corporation · 1984
- High speed transfer of strip in a continuous strip processing application19US 6,082,659 AKaiser Aluminum & Chemical Corporation · 2000
- Chuck for webs of material wound onto spools16US 4,211,375 AJagenberg Werke Atkiengesellschaft · 1980
- Installation for the manufacture of hot-rolled steel strip14US 5,335,713 AMannesmann Aktiengesellschaft · 1994