B21B 35/12
Toothed-wheel gearings specially adapted for metal-rolling mills
Official title: Toothed-wheel gearings specially adapted for metal-rolling mills; Housings or mountings therefor
B21B35/12 (Toothed-wheel gearings specially adapted for metal-rolling mills) appears on 45 US grants and 20 published applications in this corpus.
Search patents in B21B- Granted patents
- 45
- Published applications
- 20
- Assignees
- 33
- Inventors
- 125
- Latest grant
- 20 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 3 |
| 2003 | 1 | 3 |
| 2004 | 0 | 0 |
| 2005 | 2 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 2 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 2 |
| 2021 | 0 | 0 |
| 2022 | 2 | 0 |
| 2023 | 0 | 2 |
| 2024 | 0 | 1 |
| 2025 | 1 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Rolling mill20 May 2025US 12,303,953 B2W. Durston Limited
- Power transmission device and rolling mill15 Mar 2022US 11,273,478 B2Mitsubishi Heavy Industries, Ltd.
- Shiftable transmission in rolling mill technology1 Mar 2022US 11,261,941 B2SMS group GmbH
- Modular finishing mill9 Aug 2016US 9,409,217 B2Primetals Technologies USA LLC
- Drive arrangement for rolling mill18 Jan 2011US 7,870,775 B2SMS Siemag Aktiengesellschaft
- 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.
- Asymmetric rolling apparatus and cassette device23 Apr 2026US 2026/0108927 A1Solum Advanced Materials Co., Ltd.
- Asymmetrical rolling device13 Nov 2025US 2025/0345835 A1Solum Advanced Materials Co., Ltd.
- Driving force transmission mechanism and method for operating driving force transmission mechanism7 Nov 2024US 2024/0367208 A1Jfe Steel Corporation
- Gear spindle device for rolling mill, rolling mill facility, and method of cooling gear spindle device for rolling mill7 Dec 2023US 2023/0390816 A1Primetals Technologies Japan, Ltd.
Most cited
By later US patents
- Rolling process19US 4,365,496 AIshikawajima-Harima Jukogyo Kabushiki Kaisha · 1982
- Work rolls crossing type mill, rolling system and rolling method19US 5,524,465 AHitachi, Ltd. · 1996
- Tandem rolling mill arrangement16US 3,945,234 A1976
- Method and arrangement for manufacturing hot-rolled steel strip15US 4,998,338 ASMS Schloemann-Siemag Aktiengesellschaft · 1991
- Rolling mill and method of using the same13US 5,666,837 AHitachi, Ltd. · 1997