B21C 47/16
Unwinding or uncoiling
B21C47/16 (Unwinding or uncoiling) appears on 137 US grants and 118 published applications in this corpus.
Search patents in B21C- Granted patents
- 137
- Published applications
- 118
- Assignees
- 114
- Inventors
- 347
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 5 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 1 |
| 2003 | 3 | 4 |
| 2004 | 2 | 5 |
| 2005 | 0 | 3 |
| 2006 | 4 | 5 |
| 2007 | 1 | 3 |
| 2008 | 2 | 1 |
| 2009 | 2 | 5 |
| 2010 | 1 | 3 |
| 2011 | 3 | 4 |
| 2012 | 5 | 7 |
| 2013 | 2 | 5 |
| 2014 | 3 | 0 |
| 2015 | 6 | 6 |
| 2016 | 0 | 4 |
| 2017 | 4 | 3 |
| 2018 | 1 | 10 |
| 2019 | 4 | 14 |
| 2020 | 4 | 4 |
| 2021 | 6 | 5 |
| 2022 | 10 | 3 |
| 2023 | 3 | 7 |
| 2024 | 3 | 8 |
| 2025 | 6 | 4 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Device and method for unwinding and inspection of metallic strip coils31 Mar 2026US 12,589,424 B2Danieli & C. Officine Meccaniche SpA
- Coilbox and method for the operation thereof20 Jan 2026US 12,528,109 B2SMS group GmbH
- Rolling apparatus and evaluation system for evaluating durability of flexible material4 Nov 2025US 12,461,000 B2FlexiGO INC.
- Metal wire15 Jul 2025US 12,359,288 B2Panasonic Intellectual Property Management Co., Ltd.
- Pre-ageing systems and methods using magnetic heating24 Jun 2025US 12,338,520 B2Novelis Inc.
- Rolling plant comprising a system for mechanised unloading and loading of a sleeve23 Jul 2026US 2026/0208250 A1Fives Dms
- Determining the lateral offset of a metal strip on the basis of the contour of an end face of a coil2 Jul 2026US 2026/0183818 A1Primetals Technologies Germany GmbH
- Coil realignment and untelescoping machine2 Jul 2026US 2026/0184526 A1SOS Service, Inc.
- Metal coil stock feed system and method of operating the same26 Feb 2026US 2026/0054309 A1Edw. C. Levy Co.
- Mechanical arrangement and method for processing a sheet-metal strip unwound from a coil28 Aug 2025US 2025/0269418 A1
Most cited
By later US patents
- Wire supply reel support device50US 5,060,882 AThe Lincoln Electric Company · 1991
- Procedure and apparatus for the optimized manufacture of coil springs on automatic spring winding machines29US 5,865,051 AWAFIOS Maschinenfabrik GmbH & Co. Kommanditgesellschaft · 1999
- Method and apparatus for laying continuous pipe24US 3,965,713 ADeep Oil Technology, Inc. · 1976
- Continuous delivery apparatus for work material22US 4,582,271 A1986
- Floating liner21US 7,100,863 B2Lincoln Global.Inc. · 2006