B21B 45/0275
Cleaning devices
Official title: {Cleaning devices}
B21B45/0275 (Cleaning devices) appears on 115 US grants and 88 published applications in this corpus.
Search patents in B21B- Granted patents
- 115
- Published applications
- 88
- Assignees
- 82
- Inventors
- 303
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 5 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 6 | 0 |
| 1996 | 0 | 0 |
| 1997 | 4 | 0 |
| 1998 | 5 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 3 |
| 2003 | 5 | 3 |
| 2004 | 4 | 2 |
| 2005 | 3 | 5 |
| 2006 | 5 | 3 |
| 2007 | 1 | 7 |
| 2008 | 2 | 3 |
| 2009 | 3 | 3 |
| 2010 | 3 | 2 |
| 2011 | 0 | 2 |
| 2012 | 2 | 2 |
| 2013 | 2 | 3 |
| 2014 | 0 | 1 |
| 2015 | 1 | 7 |
| 2016 | 5 | 5 |
| 2017 | 6 | 4 |
| 2018 | 0 | 4 |
| 2019 | 5 | 7 |
| 2020 | 3 | 4 |
| 2021 | 5 | 3 |
| 2022 | 2 | 1 |
| 2023 | 3 | 1 |
| 2024 | 1 | 7 |
| 2025 | 1 | 4 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Apparatus for removing foreign matter on hot-rolled steel strip18 Aug 2026US 12,708,931 B2Posco
- Wiping apparatus and rolling facility21 Jul 2026US 12,686,044 B2Primetals Technologies Japan, Ltd.
- Colored reagent complex and method of detecting a rust removing agent in metal working fluids using the same20 Jan 2026US 12,529,648 B2Northern Technologies International Corporation
- Method of detecting chattering in cold rolling mill, chattering detecting device for cold rolling mill, cold rolling method, cold rolling mill, and method of manufacturing steel sheet19 Aug 2025US 12,390,846 B2Jfe Steel Corporation
- Roller cleaning method and roller cleaning machine2 Apr 2024US 11,945,008 B2Hydro Aluminum Rolled Products GmbH
- Squeezing roller having an internal drive for a cold rolling system10 Sep 2026US 2026/0264127 A1Primetals Technologies Austria GmbH
- Production and processing equipment for oxygen-free copper alloy thick strips and processing method thereof16 Jul 2026US 2026/0199946 A1Jinvi Copper Corporation, Tongling Nonferrous Metals Group Holding Co., Ltd.
- Spin-drying process and spin-drying installation25 Dec 2025US 2025/0387819 A1
- Apparatus for removing foreign matter on hot-rolled steel strip27 Mar 2025US 2025/0100021 A1Posco
- Wiping apparatus and rolling facility27 Mar 2025US 2025/0100036 A1Primetals Technologies Japan, Ltd.
Most cited
By later US patents
- Liquid removal device36US 4,477,287 AKaiser Aluminum & Chemical Corporation · 1984
- Process and apparatus for applying and removing liquid coolant to control temperature of continuously moving metal strip28US 5,701,775 AAlcan International Limited · 1997
- Self-healing articles resistant to oxidizing agents28US 6,300,261 B13M Innovative Properties Company · 2001
- Degreasing apparatus for elongated materials20US 4,391,016 AKabushiki Kaisha Kobe Seiko Sho · 1983
- Device for removing liquid from the surface of a moving strip19US 5,313,685 ASundwiger Eisenhutte Maschinenfabrik GmbH & Co. · 1994