B21B 15/00
Arrangements for performing additional metal-working operations specially combined with or arranged in
Official title: Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
B21B15/00 (Arrangements for performing additional metal-working operations specially combined with or arranged in) appears on 603 US grants and 397 published applications in this corpus.
Search patents in B21B- Granted patents
- 603
- Published applications
- 397
- Assignees
- 282
- Inventors
- 1,381
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 5 | 0 |
| 1979 | 6 | 0 |
| 1980 | 2 | 0 |
| 1981 | 7 | 0 |
| 1982 | 7 | 0 |
| 1983 | 6 | 0 |
| 1984 | 4 | 0 |
| 1985 | 7 | 0 |
| 1986 | 9 | 0 |
| 1987 | 6 | 0 |
| 1988 | 8 | 0 |
| 1989 | 8 | 0 |
| 1990 | 7 | 0 |
| 1991 | 13 | 0 |
| 1992 | 13 | 0 |
| 1993 | 12 | 0 |
| 1994 | 13 | 0 |
| 1995 | 13 | 0 |
| 1996 | 19 | 0 |
| 1997 | 18 | 0 |
| 1998 | 25 | 0 |
| 1999 | 35 | 0 |
| 2000 | 21 | 0 |
| 2001 | 27 | 7 |
| 2002 | 25 | 11 |
| 2003 | 17 | 20 |
| 2004 | 13 | 21 |
| 2005 | 12 | 15 |
| 2006 | 10 | 8 |
| 2007 | 11 | 12 |
| 2008 | 6 | 21 |
| 2009 | 4 | 13 |
| 2010 | 8 | 12 |
| 2011 | 12 | 17 |
| 2012 | 11 | 16 |
| 2013 | 16 | 20 |
| 2014 | 11 | 14 |
| 2015 | 17 | 25 |
| 2016 | 14 | 18 |
| 2017 | 13 | 10 |
| 2018 | 18 | 17 |
| 2019 | 14 | 16 |
| 2020 | 11 | 16 |
| 2021 | 7 | 14 |
| 2022 | 12 | 15 |
| 2023 | 12 | 15 |
| 2024 | 7 | 10 |
| 2025 | 19 | 15 |
| 2026 | 6 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B21B 15/0007Cutting or shearing the product196
- B21B 15/0085Joining ends of material to continuous strip, bar or sheet155
- B21B 2015/0057Coiling the rolled productIndexing code119
- B21B 2015/0071Levelling the rolled productIndexing code92
- B21B 15/0035Forging or pressing devices as units69
- B21B 2015/0028Drawing the rolled productIndexing code32
- B21B 2015/0064Uncoiling the rolled productIndexing code28
- B21B 2015/0078Extruding the rolled productIndexing code13
Recent patents
- Method of descaling heavy gage sheet metal coils and heavy gage individual sheets of sheet metal22 Sep 2026US 12,741,306 B2Lloyds Engineering Works Limited
- Apparatus for removing foreign matter on hot-rolled steel strip18 Aug 2026US 12,708,931 B2Posco
- Bridging an interruption in production in a combined casting-rolling installation12 May 2026US 12,623,265 B2Primetals Technologies Austria GmbH
- Measuring the flatness of rolling trains for aluminium12 May 2026US 12,623,268 B2Primetals Technologies Germany GmbH
- Preprocessing, layout and production optimization methods for nesting and shear cutting of a defective plate24 Feb 2026US 12,561,622 B2Baoshan Iron & Steel Co., Ltd.
- Multiple-billet hot rolling plant with joint cooling system1 Oct 2026US 2026/0295647 A1Pomini Long Rolling Mills S.R.I.
- Electrode sheet roll-pressing and cutting system and method27 Aug 2026US 2026/0249336 A1Contemporary Amperex Technology Co., Limited
- Method for cutting a metal strip to length and rolling mill with a shear for cutting a metal strip to length20 Aug 2026US 2026/0241426 A1SMS group GmbH
- Scrap clearing system, metal-strip production line, and scrap clearing method13 Aug 2026US 2026/0233273 A1Primetals Technologies Austria GmbH
- High-tensile steel having improved hydrogen embrittlement resistance13 Aug 2026US 2026/0233274 A1ThyssenKrupp Steel Europe AG
Most cited
By later US patents
- High-capacity wire rolling mill195US 5,946,783 ASMS Schloemann-Siemag Aktiengesellschaft · 1999
- Method for reducing thickness of a titanium foil or thin strip element91US 5,226,989 ATexas Instruments Incorporated · 1993
- Process for forming seamless tubing of zirconium or titanium alloys from welded precursors52US 4,690,716 AWestinghouse Electric Corp. · 1987
- Methods of and apparatus for production of wire50US 3,934,446 A1976
- Sheet forming of metallic glass by rapid capacitor discharge46US 8,613,815 B2California Institute of Technology · 2013