B21B 15/0085
Joining ends of material to continuous strip, bar or sheet
Official title: {Joining ends of material to continuous strip, bar or sheet}
B21B15/0085 (Joining ends of material to continuous strip, bar or sheet) appears on 155 US grants and 58 published applications in this corpus.
Search patents in B21B- Granted patents
- 155
- Published applications
- 58
- Assignees
- 68
- Inventors
- 348
- Latest grant
- 26 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 5 | 0 |
| 1992 | 3 | 0 |
| 1993 | 8 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 9 | 0 |
| 1997 | 7 | 0 |
| 1998 | 12 | 0 |
| 1999 | 12 | 0 |
| 2000 | 12 | 0 |
| 2001 | 15 | 5 |
| 2002 | 11 | 4 |
| 2003 | 7 | 3 |
| 2004 | 2 | 2 |
| 2005 | 5 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 3 |
| 2008 | 1 | 1 |
| 2009 | 0 | 3 |
| 2010 | 1 | 4 |
| 2011 | 3 | 2 |
| 2012 | 1 | 1 |
| 2013 | 3 | 1 |
| 2014 | 1 | 2 |
| 2015 | 2 | 1 |
| 2016 | 1 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 2 |
| 2021 | 1 | 3 |
| 2022 | 1 | 3 |
| 2023 | 1 | 4 |
| 2024 | 3 | 3 |
| 2025 | 5 | 2 |
| 2026 | 0 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Welding machine26 Aug 2025US 12,397,366 B2Danieli & C. Officine Meccaniche SpA
- Cold-rolled steel strip manufacturing facility and method for manufacturing cold-rolled steel strip3 Jun 2025US 12,318,826 B2Jfe Steel Corporation
- Intermediate blank connection system for hot-rolled strip headless rolling and connection method11 Mar 2025US 12,246,366 B2Cisdi Research and Development 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
- Processing method and plant for welding metal strips28 Jan 2025US 12,208,431 B2Primetals Technologies Germany GmbH
- Multiple-billet hot rolling plant with joint cooling system1 Oct 2026US 2026/0295647 A1Pomini Long Rolling Mills S.R.I.
- Laser cutting method, steel strip production method, laser cutter, and steel strip production equipment25 Jun 2026US 2026/0175330 A1Jfe Steel Corporation
- Electrical steel strip friction stir welding method, method of producing electrical steel strip, friction stir welding device, and electrical steel strip production device8 Jan 2026US 2026/0008118 A1Jfe Steel Corporation
- Electrical steel strip friction stir welding method, method of producing electrical steel strip, friction stir welding device, and electrical steel strip production device8 Jan 2026US 2026/0008119 A1Jfe Steel Corporation
- Cutting equipment for steel strips and cold rolling line1 Jan 2026US 2026/0001167 A1Jfe Steel Corporation
Most cited
By later US patents
- 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
- Dual bias weld for continuous coiled tubing30US 5,662,145 AQuality Tubing, Inc. · 1997
- Butting device for joining running steel sheets29US 5,172,846 AMitsubishi Jukogyo Kabushiki Kaisha · 1992
- Dual bias weld for continuous coiled tubing24US 5,456,405 AQuality Tubing, Inc. · 1995