B22D 11/1287
Rolls
Official title: {Rolls; Lubricating, cooling or heating rolls while in use}
B22D11/1287 (Rolls) appears on 133 US grants and 105 published applications in this corpus.
Search patents in B22D- Granted patents
- 133
- Published applications
- 105
- Assignees
- 74
- Inventors
- 323
- Latest grant
- 5 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 9 | 0 |
| 1979 | 4 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 5 | 0 |
| 1985 | 2 | 0 |
| 1986 | 5 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 3 |
| 2003 | 1 | 3 |
| 2004 | 1 | 2 |
| 2005 | 0 | 5 |
| 2006 | 3 | 8 |
| 2007 | 3 | 3 |
| 2008 | 3 | 3 |
| 2009 | 4 | 5 |
| 2010 | 1 | 2 |
| 2011 | 4 | 4 |
| 2012 | 8 | 4 |
| 2013 | 2 | 2 |
| 2014 | 1 | 1 |
| 2015 | 2 | 8 |
| 2016 | 4 | 3 |
| 2017 | 6 | 4 |
| 2018 | 2 | 5 |
| 2019 | 0 | 3 |
| 2020 | 5 | 6 |
| 2021 | 7 | 12 |
| 2022 | 6 | 7 |
| 2023 | 4 | 3 |
| 2024 | 8 | 2 |
| 2025 | 4 | 6 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Bearing block unit and use thereof5 Aug 2025US 12,377,457 B2Aktiebolaget Skf
- Fine grain rare earth alloy cast strip, preparation method thereof, and a rotary cooling roll device20 May 2025US 12,305,265 B2Beijing Zhong Ke San Huan Hi-Tech Co., Ltd.
- Six-high rolling mill stand and finishing mill train for hot rolling an intermediate strip into a thin strip25 Feb 2025US 12,233,443 B2Primetals Technologies Austria GmbH
- Apparatus for manufacturing thin steel sheet and method for manufacturing thin steel sheet11 Feb 2025US 12,221,664 B2Nippon Steel Corporation
- Bearing box for rotating roller, method for cooling bearing box for rotating roller, steel continuous casting machine, and steel continuous casting method27 Aug 2024US 12,071,983 B2Jfe Steel Corporation
- Method for manufacturing high-chromium (cr) molten steel, method for manufacturing cast piece, and method for manufacturing press roll16 Apr 2026US 2026/0103769 A1Posco
- Casting-rolling method based on multi-layer heterogeneous composite roll sleeve and apparatus thereof25 Dec 2025US 2025/0387829 A1Yanshan University
- Steel continuous casting method4 Dec 2025US 2025/0367719 A1Jfe Steel Corporation
- Steel continuous casting method16 Oct 2025US 2025/0319513 A1Jfe Steel Corporation
- Segment of a soft reduction device for carrying out a soft reduction of slabs3 Jul 2025US 2025/0214136 A1Danieli & C. Officine Meccaniche SpA
Most cited
By later US patents
- Rolls for metal shaping27US 6,171,222 B2Commonwealth Scientific and Industrial Research Organisation · 2001
- Continuous casting plant23US 3,965,974 AVereinigte Osterreichische Eisen- und Stahlwerke-Alpine Montan Aktiengesellschaft · 1976
- Internally cooled roller23US 4,071,081 AFives-Cail Babcock · 1978
- Internally cooled roll20US 4,090,553 AFives-Cail Babcock · 1978
- Fluid-cooled bearing housing20US 5,915,843 AThe Torrington Company · 1999