B21B 1/46
Metal-rolling methods or mills for making semi-finished products of solid or profiled
Official title: for rolling metal immediately subsequent to continuous casting (metal-rolling stands B21B13/22; continuous casting B22D11/00, e.g. into moulds with rolls B22D11/06)
B21B1/46 (Metal-rolling methods or mills for making semi-finished products of solid or profiled) appears on 518 US grants and 350 published applications in this corpus.
Search patents in B21B- Granted patents
- 518
- Published applications
- 350
- Assignees
- 206
- Inventors
- 1,090
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 8 | 0 |
| 1988 | 4 | 0 |
| 1989 | 6 | 0 |
| 1990 | 12 | 0 |
| 1991 | 16 | 0 |
| 1992 | 11 | 0 |
| 1993 | 6 | 0 |
| 1994 | 15 | 0 |
| 1995 | 20 | 0 |
| 1996 | 19 | 0 |
| 1997 | 17 | 0 |
| 1998 | 23 | 0 |
| 1999 | 28 | 0 |
| 2000 | 23 | 0 |
| 2001 | 23 | 7 |
| 2002 | 12 | 13 |
| 2003 | 15 | 8 |
| 2004 | 11 | 15 |
| 2005 | 12 | 11 |
| 2006 | 6 | 8 |
| 2007 | 3 | 11 |
| 2008 | 4 | 18 |
| 2009 | 5 | 20 |
| 2010 | 7 | 14 |
| 2011 | 16 | 11 |
| 2012 | 14 | 20 |
| 2013 | 15 | 11 |
| 2014 | 0 | 10 |
| 2015 | 12 | 18 |
| 2016 | 8 | 26 |
| 2017 | 10 | 13 |
| 2018 | 10 | 16 |
| 2019 | 21 | 17 |
| 2020 | 16 | 15 |
| 2021 | 18 | 16 |
| 2022 | 6 | 10 |
| 2023 | 11 | 13 |
| 2024 | 8 | 8 |
| 2025 | 17 | 14 |
| 2026 | 8 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for producing a dual-phase steel strip in a combined casting and rolling system, a dual-phase steel strip produced by means of the method, and a combined casting and rolling system19 May 2026US 12,629,747 B2Primetals Technologies Austria GmbH
- Bridging an interruption in production in a combined casting-rolling installation12 May 2026US 12,623,265 B2Primetals Technologies Austria GmbH
- Method for producing a microalloyed steel, a microalloyed steel produced using the method, and a combined casting/rolling installation12 May 2026US 12,623,278 B2Primetals Technologies Austria GmbH
- Process and apparatus for producing metallurgical products, in particular of the merchant type, in particular in an endless mode31 Mar 2026US 12,589,423 B2Danieli & C. Officine Meccaniche SpA
- High-strength thin-gauge checkered steel plate/strip and manufacturing method therefor10 Mar 2026US 12,571,067 B2Baoshan Iron & Steel Co., Ltd.
- Method for cutting a metal strip to length and rolling mill with a shear for cutting a metal strip to length20 Aug 2026US 2026/0241426 A1SMS group GmbH
- Operating method of a continuous casting-rolling plant with edger20 Aug 2026US 2026/0241427 A1Primetals Technologies Germany GmbH
- Scrap clearing system, metal-strip production line, and scrap clearing method13 Aug 2026US 2026/0233273 A1Primetals Technologies Austria GmbH
- Method for producing metal strips by continuous casting and rolling19 Feb 2026US 2026/0048427 A1SMS group GmbH
- Process for operating a thermal treatment line for the flexible thermal treatment of metal pre-products22 Jan 2026US 2026/0022435 A1SMS group GmbH
Most cited
By later US patents
- High-capacity wire rolling mill195US 5,946,783 ASMS Schloemann-Siemag Aktiengesellschaft · 1999
- Control device for controlling a controlled apparatus, and a control method therefor101US 5,430,642 AHitachi, Ltd. · 1995
- Methods of beta processing titanium alloys43US 7,611,592 B2ATI Properties, Inc. · 2009
- Hot strip rolling plant and method directly combined with continuous casting36US 5,634,257 AHitachi, Ltd. · 1997
- Process and plant for obtaining steel strip coils having cold-rolled characteristics and directly obtained in a hot-rolling line32US 5,329,688 AHoogovens Groep B.V. · 1994