B21C 47/24
Transferring coils to or from winding apparatus or to or from operative
Official title: Transferring coils to or from winding apparatus or to or from operative position therein; Preventing uncoiling during transfer
B21C47/24 (Transferring coils to or from winding apparatus or to or from operative) appears on 243 US grants and 170 published applications in this corpus.
Search patents in B21C- Granted patents
- 243
- Published applications
- 170
- Assignees
- 175
- Inventors
- 519
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 9 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 5 | 0 |
| 1982 | 3 | 0 |
| 1983 | 5 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 5 | 0 |
| 1988 | 7 | 0 |
| 1989 | 3 | 0 |
| 1990 | 7 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 7 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 5 | 0 |
| 1998 | 2 | 0 |
| 1999 | 11 | 0 |
| 2000 | 6 | 0 |
| 2001 | 9 | 0 |
| 2002 | 7 | 7 |
| 2003 | 7 | 2 |
| 2004 | 3 | 7 |
| 2005 | 0 | 1 |
| 2006 | 4 | 7 |
| 2007 | 3 | 7 |
| 2008 | 2 | 4 |
| 2009 | 4 | 10 |
| 2010 | 4 | 7 |
| 2011 | 3 | 6 |
| 2012 | 8 | 5 |
| 2013 | 7 | 10 |
| 2014 | 7 | 4 |
| 2015 | 5 | 9 |
| 2016 | 3 | 7 |
| 2017 | 6 | 7 |
| 2018 | 7 | 8 |
| 2019 | 3 | 7 |
| 2020 | 4 | 9 |
| 2021 | 5 | 7 |
| 2022 | 4 | 6 |
| 2023 | 4 | 7 |
| 2024 | 7 | 10 |
| 2025 | 9 | 10 |
| 2026 | 2 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Hot uncoiling of metal5 May 2026US 12,618,130 B2Novelis Inc.
- Coilbox and method for the operation thereof20 Jan 2026US 12,528,109 B2SMS group GmbH
- Rewind system16 Dec 2025US 12,497,256 B2Contemporary Amperex Technology (Hong Kong) Limited
- 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
- 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.
- Transport vehicle system25 Jun 2026US 2026/0176069 A1Murata Machinery, Ltd.
- Apparatus for the production of inner assemblies and method thereof9 Apr 2026US 2026/0097920 A1G. D S.p.A.
Most cited
By later US patents
- Roll lift and transfer apparatus34US 4,358,143 ACentral Machine Corporation · 1982
- Apparatus for handling objects30US 4,708,574 AD. W. Zimmerman Mfg., Inc. · 1987
- Metal wire winding apparatus24US 4,293,103 A1981
- Variable sized coil carrying car24US 4,367,059 ADavy-Loewy Limited · 1983
- Method of hot rolling metal strip23US 4,019,359 AThe Steel Company of Canada, Limited · 1977