B21B 45/0233
Spray nozzles, nozzle headers
Official title: {Spray nozzles, Nozzle headers; Spray systems}
B21B45/0233 (Spray nozzles, nozzle headers) appears on 175 US grants and 140 published applications in this corpus.
Search patents in B21B- Granted patents
- 175
- Published applications
- 140
- Assignees
- 96
- Inventors
- 432
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 5 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 2 |
| 2002 | 4 | 2 |
| 2003 | 3 | 1 |
| 2004 | 1 | 3 |
| 2005 | 1 | 2 |
| 2006 | 2 | 4 |
| 2007 | 2 | 1 |
| 2008 | 2 | 6 |
| 2009 | 2 | 7 |
| 2010 | 3 | 8 |
| 2011 | 6 | 5 |
| 2012 | 3 | 5 |
| 2013 | 11 | 1 |
| 2014 | 2 | 8 |
| 2015 | 6 | 13 |
| 2016 | 7 | 5 |
| 2017 | 4 | 4 |
| 2018 | 4 | 8 |
| 2019 | 7 | 12 |
| 2020 | 3 | 13 |
| 2021 | 8 | 9 |
| 2022 | 14 | 8 |
| 2023 | 8 | 2 |
| 2024 | 6 | 6 |
| 2025 | 5 | 2 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cooling device with coolant jets having a hollow cross section17 Feb 2026US 12,551,938 B2Primetals Technologies Germany GmbH
- Modular spray bar system for selectively cooling and/or lubricating rolls13 Jan 2026US 12,521,778 B2SMS group GmbH
- Cooling section with valves and pressure vessels for preventing pressure shocks9 Sep 2025US 12,409,483 B2Primetals Technologies Germany GmbH
- Metal-strip rapid cooling apparatus, metal-strip rapid cooling method, and method of producing metal strip product22 Jul 2025US 12,365,956 B2Jfe Steel Corporation
- Distributor tube for cooling metal strips17 Jun 2025US 12,330,200 B2Danieli & C. Officine Meccaniche SpA
- Multiple-billet hot rolling plant with joint cooling system1 Oct 2026US 2026/0295647 A1Pomini Long Rolling Mills S.R.I.
- Reversible roughing mill for an aluminum or aluminum alloy product and related process13 Aug 2026US 2026/0233276 A1Danieli & C. Officine Meccaniche SpA
- Cooling module, cooling assembly, cooling system, method, hot-rolled metal strip-shaped product, and use28 May 2026US 2026/0145215 A1SMS group GmbH
- Device and method for cooling rolls used for rolling in a highly turbulent environment11 Dec 2025US 2025/0375804 A1
- System and method for rapid substrate cooling9 Jan 2025US 2025/0010348 A1Novelis Inc.
Most cited
By later US patents
- Modular zoned digital coolant control system for strip mill rolls34US 4,247,047 A1981
- Method and apparatus useful in cooling hot strip24US 4,497,180 ANational Steel Corporation · 1985
- Method and apparatus for cooling steel sheet23US 4,440,584 ANippon Kokan Kabushiki Kaisha · 1984
- Remote controlled freely pivotal nozzle22US 5,186,394 ANippon Thompson Co., Ltd. · 1993
- Apparatus for cooling sheet steel by water spraying20US 4,371,149 AIshikawajima-Harima Jukogyo Kabushiki Kaisha · 1983