C21D 1/82
Descaling by thermal stresses
Official title: Descaling by thermal stresses (mechanically B21, B23; chemically C23; electrolytically C25F1/00)
C21D1/82 (Descaling by thermal stresses) appears on 11 US grants and 5 published applications in this corpus.
Search patents in C21D- Granted patents
- 11
- Published applications
- 5
- Assignees
- 13
- Inventors
- 44
- Latest grant
- 17 Oct 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Hot-band annealing equipment, hot-band annealing method and descaling method for Si-containing hot rolled steel sheet17 Oct 2023US 11,788,165 B2Jfe Steel Corporation
- Plating method26 Apr 2016US 9,321,077 B2Posco
- Laser beam apparatus and workpiece machining process5 Sep 2000US 6,114,651 AFrauenhofer Society for the Promotion of Applied Research
- Method for removal of certain oxide films from metal surfaces7 Nov 1995US 5,464,510 ADynamotive Corporation
- Method for removal of certain oxide films from metal surfaces18 Apr 1995US 5,407,544 ADynamotive Corporation
- Method and apparatus for stripping an oxide layer from a metal product20 Mar 2025US 2025/0092529 A1Aperam
- Hot-band annealing equipment, hot-band annealing method and descaling method for si-containing hot rolled steel sheet3 Feb 2022US 2022/0033928 A1Jfe Steel Corporation
- Hot-band annealing equipment, hot-band annealing method and descaling method for si-containing hot rolled steel sheet15 Aug 2019US 2019/0249270 A1Jfe Steel Corporation
- Plating Method and Zinc Plating Process31 Oct 2013US 2013/0288073 A1Posco
- Method and arrangement for heating extended steel products9 Jul 2009US 2009/0174125 A1Aga AB
Most cited
By later US patents
- Laser beam apparatus and workpiece machining process38US 6,114,651 AFrauenhofer Society for the Promotion of Applied Research · 2000
- Method of descaling metal products35US 4,063,063 AAcieries Reunies de Burbach-Eich-Dudelange S.A. ARBED · 1977
- Furnace for the heat treatment of scale-covered steel23US 4,397,451 AChugai Ro Kogyo Co., Ltd. · 1983
- Method for removal of certain oxide films from metal surfaces8US 5,407,544 ADynamotive Corporation · 1995
- Method for exposing surface defects on hot steel blanks5US 3,933,532 AEschweiler Bergwerks-Verein Aktiengesellschaft · 1976