B21B 1/227
Surface roughening or texturing
Official title: {Surface roughening or texturing}
B21B1/227 (Surface roughening or texturing) appears on 189 US grants and 151 published applications in this corpus.
Search patents in B21B- Granted patents
- 189
- Published applications
- 151
- Assignees
- 128
- Inventors
- 486
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 7 | 0 |
| 1997 | 5 | 0 |
| 1998 | 10 | 0 |
| 1999 | 9 | 0 |
| 2000 | 3 | 0 |
| 2001 | 8 | 0 |
| 2002 | 4 | 7 |
| 2003 | 4 | 6 |
| 2004 | 5 | 6 |
| 2005 | 2 | 5 |
| 2006 | 0 | 5 |
| 2007 | 5 | 1 |
| 2008 | 4 | 4 |
| 2009 | 3 | 2 |
| 2010 | 3 | 8 |
| 2011 | 1 | 3 |
| 2012 | 3 | 8 |
| 2013 | 2 | 4 |
| 2014 | 4 | 7 |
| 2015 | 5 | 10 |
| 2016 | 2 | 1 |
| 2017 | 7 | 8 |
| 2018 | 6 | 8 |
| 2019 | 3 | 10 |
| 2020 | 7 | 5 |
| 2021 | 5 | 4 |
| 2022 | 7 | 6 |
| 2023 | 11 | 16 |
| 2024 | 9 | 5 |
| 2025 | 8 | 8 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Flat metal product and component based thereon15 Sep 2026US 12,734,569 B2ThyssenKrupp Steel Europe AG
- Method of manufacturing a steel strip and coated steel sheet obtainable thereby12 May 2026US 12,624,407 B2Tata Steel Ijmuiden B.V.
- Method for producing a hot-dip-coated steel sheet and hot-dip-coated steel sheet12 May 2026US 12,624,436 B2ThyssenKrupp Steel Europe AG
- Method for reproducible manufacturing of electrode for secondary battery28 Apr 2026US 12,614,713 B2LG Energy Solution, Ltd.
- Method for producing a surface-treated and surface-conditioned steel sheet18 Nov 2025US 12,472,544 B2ThyssenKrupp Steel Europe AG
- Ultra-thin metal strip with superficial micro-cup array structure and preparation method thereof4 Jun 2026US 2026/0151810 A1Taiyuan University of Technology
- Sanding-free preparation method and use of ultra-thin double-layer metal composite strip4 Jun 2026US 2026/0151811 A1Taiyuan University of Technology
- Rolling methods using corrugated rolls and rolling systems30 Apr 2026US 2026/0115777 A1Taiyuan University of Technology
- Method of manufacturing a steel strip and coated steel sheet obtainable thereby5 Feb 2026US 2026/0035760 A1Tata Steel Ijmuiden B.V.
- Roll structure of a four-high rolling mill for preparing ultra-thin metal foils with surface microtexture and a rolling method thereof25 Dec 2025US 2025/0387818 A1Taiyuan University of Technology
Most cited
By later US patents
- Method of providing textures on material by rolling61US 5,025,547 AAluminum Company of America · 1991
- Heat transfer tubes and method for manufacturing61US 5,052,476 A501 Mitsubishi Shindoh Co., Ltd. · 1991
- Method and device for manufacturing cold rolled metal sheets or strips and metal sheets or strips obtained52US 5,789,066 ASidmar N.V. · 1998
- Brightness enhancement with textured roll32US 4,996,113 AAluminum Company of America · 1991
- Thin plate electrochemical cell32US 5,368,961 ABolder Battery, Inc. · 1994