B21B 37/78
Control of tube rolling
B21B37/78 (Control of tube rolling) appears on 56 US grants and 46 published applications in this corpus.
Search patents in B21B- Granted patents
- 56
- Published applications
- 46
- Assignees
- 28
- Inventors
- 138
- Latest grant
- 9 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 3 |
| 2005 | 2 | 1 |
| 2006 | 2 | 3 |
| 2007 | 1 | 0 |
| 2008 | 1 | 3 |
| 2009 | 0 | 1 |
| 2010 | 2 | 2 |
| 2011 | 2 | 2 |
| 2012 | 2 | 3 |
| 2013 | 1 | 5 |
| 2014 | 0 | 0 |
| 2015 | 1 | 5 |
| 2016 | 3 | 1 |
| 2017 | 4 | 1 |
| 2018 | 1 | 0 |
| 2019 | 2 | 0 |
| 2020 | 1 | 4 |
| 2021 | 2 | 3 |
| 2022 | 2 | 6 |
| 2023 | 3 | 1 |
| 2024 | 2 | 0 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cross-rolling unit and method for setting the roll pass of a cross-rolling unit9 Dec 2025US 12,491,549 B2SMS group GmbH
- Seamless pipe and method for manufacturing same12 Nov 2024US 12,140,265 B2Jfe Steel Corporation
- Method of manufacturing zirconium alloy tubular products2 Apr 2024US 11,946,130 B2Joint-Stock Company “Tvel”
- Method and device for controlling a stretch reducing rolling mill for wall thickness compensation5 Sep 2023US 11,745,235 B2SMS group GmbH
- Wall thickness monitoring while stretch-reducing tubes16 May 2023US 11,648,597 B2SMS group GmbH
- Device with adjustable offset distance in serpentine rolling for rolling mill and using method thereof8 Jan 2026US 2026/0008086 A1Taiyuan University of Science and Technology
- Seamless pipe and method for manufacturing same16 Mar 2023US 2023/0079996 A1Jfe Steel Corporation
- Cross-rolling unit and method for setting the roll pass of a cross-rolling unit27 Oct 2022US 2022/0339683 A1SMS group GmbH
- Manufacturing Method for Zirconium Alloy Tubular Products6 Oct 2022US 2022/0314289 A1
- Method of Manufacturing Zirconium Alloy Tubular Products6 Oct 2022US 2022/0316040 A1Joint-Stock Company “Tvel”
Most cited
By later US patents
- Automated system for controlling the quality of regularly-shaped products during their manufacture25US 5,379,237 AIntegrated Diagnostic Measurement Corporation · 1995
- Method of preparing a steel pipe, an apparatus thereof and a steel pipe22US 6,006,789 AKawasaki Steel Corporation · 1999
- Electrical control arrangement for a rolling mill drive motor of a rolling mill15US 4,578,626 ASiemens Aktiengesellschaft · 1986
- Method and apparatus for elongating metal tubes by means of a mandrel mill12US 5,501,091 ASumitomo Metal Industries, Ltd. · 1996
- Manufacturing method and manufacturing apparatus of pipe, thickness deviation information derivation apparatus, and computer program8US 7,093,469 B2Sumitomo Metal Industries, Ltd. · 2006