B21B 38/04
Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling
Official title: for measuring thickness, width, diameter or other transverse dimensions of the product
B21B38/04 (Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling) appears on 101 US grants and 117 published applications in this corpus.
Search patents in B21B- Granted patents
- 101
- Published applications
- 117
- Assignees
- 73
- Inventors
- 254
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 6 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 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 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 1 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 1 | 3 |
| 2005 | 1 | 2 |
| 2006 | 2 | 4 |
| 2007 | 3 | 4 |
| 2008 | 1 | 3 |
| 2009 | 1 | 3 |
| 2010 | 2 | 9 |
| 2011 | 1 | 0 |
| 2012 | 6 | 1 |
| 2013 | 5 | 6 |
| 2014 | 0 | 3 |
| 2015 | 1 | 7 |
| 2016 | 3 | 3 |
| 2017 | 5 | 10 |
| 2018 | 4 | 5 |
| 2019 | 5 | 2 |
| 2020 | 5 | 4 |
| 2021 | 4 | 14 |
| 2022 | 6 | 5 |
| 2023 | 5 | 7 |
| 2024 | 8 | 10 |
| 2025 | 5 | 6 |
| 2026 | 3 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Dynamic roll eccentricity identification using extended Kalman filter state estimation and control upgrade for cold rolling mills2 Jun 2026US 12,643,136 B2Honeywell International Inc.
- Rolling mill facility19 May 2026US 12,629,737 B2Primetals Technologies Japan, Ltd.
- Thickness controlling method and rigidity monitoring method for rolling mill5 May 2026US 12,617,008 B2TMEIC Corporation
- Rolling control device, rolling control method, and program21 Oct 2025US 12,447,517 B2Nippon Steel Corporation
- Steel-sheet meandering amount measurement device, steel-sheet meandering amount measurement method, hot-rolling equipment for hot-rolled steel strip, and hot-rolling method of hot-rolled steel strip2 Sep 2025US 12,403,514 B2Jfe Steel Corporation
- Width prediction method of rough rolled material, width control method of rough rolled material, manufacturing method of hot-rolled steel sheet, and generation method of width prediction model of rough rolled material30 Jul 2026US 2026/0216773 A1Jfe Steel Corporation
- Width prediction method of rough rolled material, width control method of rough rolled material, manufacturing method of hot-rolled steel sheet, and generation method of width prediction model of rough rolled material2 Jul 2026US 2026/0183816 A1Jfe Steel Corporation
- Width prediction method of finished rolled material, width control method of finished rolled material, manufacturing method of hot-rolled steel sheet, and generation method of width prediction model of finished rolled material14 May 2026US 2026/0131370 A1Jfe Steel Corporation
- Determining a thickness of a work item with inhomogeneous resistivity26 Mar 2026US 2026/0085922 A1
- Apparatus for adjusting roller gap, and apparatus and method for manufacturing electrode plate of secondary battery using the same5 Feb 2026US 2026/0034574 A1Samsung SDI.Co., Ltd.
Most cited
By later US patents
- Lamination process and apparatus for alkali metals or alloys thereof25US 7,513,136 B2Bathium Canada Inc. · 2009
- Electro-optical gaging system having dual cameras on a scanner18US 4,121,292 ABethlehem Steel Corporation · 1978
- Flatness measurement system for metal strip18US 6,286,349 B1Betriebsforschungsinstitut VDEh Institut fur angewandte Forschung GmbH · 2001
- Method for checking thickness of sheet materials by using acoustic oscillation and device for effecting same16US 4,117,732 A1978
- Thickness measurement system and method16US 6,678,634 B1Automation and Control Technology, Inc. · 2004