B21C 47/22
Unwinding coils without reels or drums
B21C47/22 (Unwinding coils without reels or drums) appears on 27 US grants and 24 published applications in this corpus.
Search patents in B21C- Granted patents
- 27
- Published applications
- 24
- Assignees
- 23
- Inventors
- 64
- Latest grant
- 20 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 1 |
| 2004 | 1 | 2 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 0 | 2 |
| 2017 | 2 | 1 |
| 2018 | 0 | 1 |
| 2019 | 1 | 7 |
| 2020 | 1 | 0 |
| 2021 | 2 | 0 |
| 2022 | 1 | 0 |
| 2023 | 1 | 2 |
| 2024 | 1 | 1 |
| 2025 | 2 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Coilbox and method for the operation thereof20 Jan 2026US 12,528,109 B2SMS group GmbH
- Wire straightening solution for bulk packaging4 Mar 2025US 12,240,034 B2Lincoln Global.Inc.
- Method for producing a continuous strip-shaped composite material7 Jan 2025US 12,186,825 B2SMS group GmbH
- Automatic trimming apparatus for wire coils6 Feb 2024US 11,890,666 B2Yeminy Inc.
- Automated wire rod trimming station and sample quality evaluation4 Apr 2023US 11,618,069 B2Primetals Technologies USA LLC
- Coilbox and method for the operation thereof22 Feb 2024US 2024/0058854 A1SMS group GmbH
- An Automatic Trimming Apparatus for Wire Coils12 Oct 2023US 2023/0321714 A1Yeminy Inc.
- Wire straightening solution for bulk packaging6 Jul 2023US 2023/0211404 A1Lincoln Global.Inc.
- Method and device for producing a continuous strip-shaped composite material5 Dec 2019US 2019/0366471 A1SMS group GmbH
- Method and device for producing a continuous strip-shaped composite material31 Oct 2019US 2019/0329307 A1SMS group GmbH
Most cited
By later US patents
- Method and apparatus for laying continuous pipe24US 3,965,713 ADeep Oil Technology, Inc. · 1976
- Stand for dispensing rolled sheet stock17US 4,246,817 ATapco Products Company, Inc. · 1981
- Mandrelless downcoiler for coil box15US 4,005,830 AThe Steel Company of Canada, Limited · 1977
- Method and apparatus for dispensing flexible coiled materials from pallets14US 4,249,705 AReel-O-Matic Systems, Incorporated · 1981
- Unwinding apparatus12US 3,955,772 AGTE Sylvania Incorporated · 1976