B21B 13/18
Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and
Official title: for step-by-step or planetary rolling; {pendulum mills}(methods B21B1/42; making tubes by pilgrim-step rolling B21B21/00)
B21B13/18 (Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and) appears on 35 US grants and 8 published applications in this corpus.
Search patents in B21B- Granted patents
- 35
- Published applications
- 8
- Assignees
- 22
- Inventors
- 64
- Latest grant
- 20 Aug 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 3 | 1 |
| 2003 | 0 | 3 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Method and apparatus for producing flat metal products20 Aug 2024US 12,064,799 B2Danieli & C. Officine Meccaniche SpA
- Planetary reform roller and method of reforming a vessel cavity26 Oct 2021US 11,154,919 B2Titanium Metals Corporation
- Device and method for rolling of pipe blanks11 Apr 2017US 9,616,476 B2SMS group GmbH
- Plate reduction press apparatus and methods21 Nov 2006US 7,137,283 B2Ishikawajima-Harima Heavy Industries Co., Ltd.
- Plate reduction press apparatus and methods13 Jul 2004US 6,761,053 B2Ishikawajima-Harima Heavy Industries Co., Ltd.
- Method and apparatus for producing flat metal products9 Feb 2023US 2023/0042075 A1Danieli & C. Officine Meccaniche SpA
- Planetary reform roller and method of reforming a vessel cavity17 Jan 2019US 2019/0015882 A1Titanium Metals Corporation
- Manufacturing method of thickness-varied metal plate, manufacturing method of pressed part, and processing machine21 Jun 2018US 2018/0169723 A1Toyota Jidosha Kabushiki Kaisha
- Device and method for rolling of pipe blanks13 Dec 2012US 2012/0312062 A1SMS Meer GmbH
- Plate reduction press apparatus and methods16 Oct 2003US 2003/0192360 A1Ishikawajima-Harima Heavy Industries Co., Ltd.
Most cited
By later US patents
- System and process for forming thin flat hot rolled steel strip21US 5,133,205 AChaparral Steel Company · 1992
- Method of forge-conditioning non-ferrous metals prior to rolling15US 4,354,880 ASouthwire Company · 1982
- Method of hot-forming metals prone to crack during rolling13US 4,352,697 ASouthwire Company · 1982
- Method and apparatus for the manufacture of formable steel strip11US 5,009,396 AHoogovens Groep B.V. · 1991
- Ring manufacturing method and ring manufacturing apparatus11US 5,979,205 AAisin Seiki Kabushiki Kaisha · 1999