C21D 9/5737
Rolls
Official title: {Rolls; Drums; Roll arrangements}
C21D9/5737 (Rolls) appears on 30 US grants and 39 published applications in this corpus.
Search patents in C21D- Granted patents
- 30
- Published applications
- 39
- Assignees
- 28
- Inventors
- 107
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 2 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 2 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 3 |
| 2018 | 1 | 1 |
| 2019 | 2 | 1 |
| 2020 | 2 | 3 |
| 2021 | 2 | 4 |
| 2022 | 1 | 3 |
| 2023 | 1 | 1 |
| 2024 | 3 | 8 |
| 2025 | 2 | 4 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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
- 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
- Cooling water temperature control method and cooling water temperature control device for steel sheet12 May 2026US 12,624,414 B2Jfe Steel Corporation
- Metal-strip rapid cooling apparatus, metal-strip rapid cooling method, and method of producing metal strip product22 Jul 2025US 12,365,956 B2Jfe Steel Corporation
- Method and system for heat treatment of metal alloy sheet4 Feb 2025US 12,215,412 B2ELKEME Hellenic Research Centre for Metals S.A.
- Metal-strip warped-shape control method, metal-strip manufacturing method, and metal-strip warped-shape control device2 Apr 2026US 2026/0091420 A1Jfe Steel Corporation
- Metal-strip warped-shape prediction method, metal-strip warped-shape control method, metal-strip manufacturing method, warped-shape prediction model generation method, and metal-strip warped-shape control device2 Apr 2026US 2026/0092339 A1Jfe Steel Corporation
- Annealing facility, and method for manufacturing grain-oriented electromagnetic steel sheet5 Feb 2026US 2026/0035762 A1Jfe Steel Corporation
- Manufacturing equipment for metal band, acceptability determination method for metal band, and manufacturing method for metal band1 Jan 2026US 2026/0001114 A1Jfe Steel Corporation
- Cooling device and heat treatment apparatus including the same11 Sep 2025US 2025/0281957 A1Noritake Co., Limited
Most cited
By later US patents
- Rapidly quenched Fe-based soft-magnetic alloy ribbon and its production method and core7US 10,468,182 B2Hitachi Metals, Ltd. · 2019
- Cooling drum for continuously casting thin cast piece and fabricating method and device therefor and thin cast piece and continuous casting method therefor6US 6,896,033 B2Nippon Steel Corporation · 2005
- Method for cooling a metal strip in a continuous annealing furnace5US 4,705,579 ANippon Steel Corporation · 1987
- Apparatus for continuously cooling metal strip4US 5,182,074 ANKK Corporation · 1993
- Cooling drum for thin slab continuous casting, processing method and apparatus thereof, and thin slab and continuous casting method thereof4US 7,159,641 B2Nippon Steel Corporation · 2007