C21D 9/564
Tension control
Official title: {Tension control}
C21D9/564 (Tension control) appears on 23 US grants and 23 published applications in this corpus.
Search patents in C21D- Granted patents
- 23
- Published applications
- 23
- Assignees
- 22
- Inventors
- 80
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 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 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 2 |
| 2018 | 0 | 3 |
| 2019 | 4 | 3 |
| 2020 | 1 | 2 |
| 2021 | 2 | 2 |
| 2022 | 1 | 2 |
| 2023 | 0 | 4 |
| 2024 | 3 | 1 |
| 2025 | 0 | 0 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Steel sheet, member, and methods for producing the same26 May 2026US 12,637,730 B2Jfe Steel Corporation
- Continuous annealing line, continuous hot-dip galvanizing line, and steel sheet production method10 Mar 2026US 12,571,068 B2Jfe Steel Corporation
- Steel sheet, member, and methods for producing the same19 Nov 2024US 12,146,204 B2Jfe Steel Corporation
- Method for forming film and method for manufacturing electrical steel sheet with insulating film9 Jul 2024US 12,033,791 B2Jfe Steel Corporation
- Method for increasing the straightness of a thin wire30 Jan 2024US 11,884,991 B2Heraeus Materials Singapore Pte. Ltd.
- Method for forming film and method for manufacturing electrical steel sheet with insulating film28 Mar 2024US 2024/0105384 A1Jfe Steel Corporation
- Heat treatment method for amorphous alloy ribbon and heat treatment apparatus for amorphous alloy ribbon16 Nov 2023US 2023/0366054 A1Proterial, Ltd.
- Continuous annealing line, continuous hot-dip galvanizing line, and steel sheet production method24 Aug 2023US 2023/0265539 A1Jfe Steel Corporation
- Correction apparatus for correcting the planarity of a metal strip and related correction method17 Aug 2023US 2023/0257842 A1Danieli & C. Officine Meccaniche SpA
- Non-oriented electrical steel sheet and method for manufacturing same16 Feb 2023US 2023/0050497 A1Posco
Most cited
By later US patents
- Apparatus for producing strip of stainless steel31US 5,904,204 ANippon Steel Corporation · 1999
- Method of heat treatments of amorphous alloy ribbons27US 4,288,260 AMatsushita Electric Industrial Co., Ltd. · 1981
- Apparatus and method of continuous sintering a web material25US 6,306,336 B1USF Filtration and Separations Group, Inc. · 2001
- Web tension control system8US 5,415,611 A1995
- Method and apparatus for bainite blades8US 6,632,301 B2Benton Graphics, Inc. · 2003