B21B 2275/05
Speed difference between top and bottom rolls
B21B2275/05 (Speed difference between top and bottom rolls) appears on 22 US grants and 9 published applications in this corpus.
Search patents in B21B- Granted patents
- 22
- Published applications
- 9
- Assignees
- 16
- Inventors
- 50
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 4 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 2 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 1 | 2 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Dynamic roll eccentricity identification using extended Kalman filter state estimation and control upgrade for cold rolling mills2 Jun 2026US 12,643,136 B2Honeywell International Inc.
- Device for rolling a metal lithium band23 Jul 2024US 12,046,742 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Rolling mill with rolling dependent on material properties4 Oct 2022US 11,458,518 B2Primetals Technologies Germany GmbH
- Rolling plant23 Apr 2013US 8,424,354 B2Danieli & C. Officine Meccaniche SpA
- Driving apparatus of electric motor for reduction roll12 Oct 2010US 7,812,558 B2Toshiba Mitsubishi-Electric Industrial Systgems Corporation
- Dynamic Roll Eccentricity Identification Using Extended Kalman Filter State Estimation and Control Upgrade for Cold Rolling Mills12 Sep 2024US 2024/0299997 A1Honeywell International Inc.
- Device for rolling a metal lithium band14 Jul 2022US 2022/0223832 A1Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Rolling mill with rolling dependent on material properties29 Jul 2021US 2021/0229149 A1Primetals Technologies Germany GmbH
- Driving apparatus of electric motor for reduction roll29 Oct 2009US 2009/0267554 A1Toshiba Mitsubishi-Electric Ind. Systems Corp.
- Rolling Plant2 Jul 2009US 2009/0165517 A1Danieli & C. Officine Meccaniche SpA
Most cited
By later US patents
- Rolling process19US 4,365,496 AIshikawajima-Harima Jukogyo Kabushiki Kaisha · 1982
- Control method and apparatus for rolling mill15US 4,566,299 AHitachi, Ltd. · 1986
- Method for manufacturing an oxide superconducting tape14US 5,360,784 AMitsubishi Materials Corporation · 1994
- Rolling mill12US 4,145,901 AIshikawajima-Harima Jukogyo Kabushiki Kaisha · 1979
- Method of rolling metal articles9US 4,385,511 A1983