B21B 45/04
Devices for surface or other treatment of work, specially combined with or
Official title: for de-scaling {, e.g. by brushing (descaling of rod or wire B21C43/04)}
B21B45/04 (Devices for surface or other treatment of work, specially combined with or) appears on 250 US grants and 154 published applications in this corpus.
Search patents in B21B- Granted patents
- 250
- Published applications
- 154
- Assignees
- 131
- Inventors
- 640
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 4 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 6 | 0 |
| 1990 | 5 | 0 |
| 1991 | 7 | 0 |
| 1992 | 2 | 0 |
| 1993 | 7 | 0 |
| 1994 | 4 | 0 |
| 1995 | 9 | 0 |
| 1996 | 8 | 0 |
| 1997 | 9 | 0 |
| 1998 | 16 | 0 |
| 1999 | 14 | 0 |
| 2000 | 8 | 0 |
| 2001 | 10 | 3 |
| 2002 | 9 | 4 |
| 2003 | 6 | 4 |
| 2004 | 4 | 7 |
| 2005 | 3 | 9 |
| 2006 | 6 | 5 |
| 2007 | 4 | 5 |
| 2008 | 3 | 7 |
| 2009 | 3 | 6 |
| 2010 | 3 | 7 |
| 2011 | 10 | 10 |
| 2012 | 2 | 8 |
| 2013 | 0 | 9 |
| 2014 | 3 | 5 |
| 2015 | 5 | 7 |
| 2016 | 6 | 7 |
| 2017 | 7 | 1 |
| 2018 | 3 | 7 |
| 2019 | 6 | 9 |
| 2020 | 2 | 6 |
| 2021 | 7 | 7 |
| 2022 | 3 | 8 |
| 2023 | 4 | 3 |
| 2024 | 9 | 6 |
| 2025 | 3 | 3 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method of descaling heavy gage sheet metal coils and heavy gage individual sheets of sheet metal22 Sep 2026US 12,741,306 B2Lloyds Engineering Works Limited
- Apparatus for removing foreign matter on hot-rolled steel strip18 Aug 2026US 12,708,931 B2Posco
- Steel sheet having excellent hydrophilicity and conductivity3 Feb 2026US 12,542,284 B2Posco
- Descaling cell component and method30 Sep 2025US 12,427,562 B2The Material Works, Ltd.
- Device and a method for machining at least one surface of a continuous aluminum or an aluminum alloy strip5 Aug 2025US 12,377,454 B2SMS group GmbH
- Induction heating device for metal plate, processing equipment for metal plate, and induction heating method of metal plate15 Jan 2026US 2026/0016227 A1Nippon Steel Corporation
- Method of Descaling Heavy Gage Sheet Metal Coils and Heavy Gage Individual Sheets of Sheet Metal29 May 2025US 2025/0170631 A1The Material Works, Ltd.
- Apparatus for removing foreign matter on hot-rolled steel strip27 Mar 2025US 2025/0100021 A1Posco
- Method and apparatus for stripping an oxide layer from a metal product20 Mar 2025US 2025/0092529 A1Aperam
- Descaling Cell Component and Method14 Nov 2024US 2024/0375166 A1The Material Works, Ltd.
Most cited
By later US patents
- Automatically adjustable brush assembly for cleaning semiconductor wafers68US 5,475,889 AOntrak Systems, Inc. · 1995
- Ultra high pressure water cleaning tool55US 5,052,624 APossis Corporation · 1991
- High-pressure spray nozzle42US 6,402,062 B1Lechler GmbH · 2002
- Hot strip rolling plant and method directly combined with continuous casting36US 5,634,257 AHitachi, Ltd. · 1997
- Method of descaling metal products35US 4,063,063 AAcieries Reunies de Burbach-Eich-Dudelange S.A. ARBED · 1977