B21B 45/004
Heating the product
Official title: {Heating the product}
B21B45/004 (Heating the product) appears on 327 US grants and 235 published applications in this corpus.
Search patents in B21B- Granted patents
- 327
- Published applications
- 235
- Assignees
- 169
- Inventors
- 860
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 5 | 0 |
| 1985 | 3 | 0 |
| 1986 | 6 | 0 |
| 1987 | 5 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 6 | 0 |
| 1992 | 3 | 0 |
| 1993 | 8 | 0 |
| 1994 | 5 | 0 |
| 1995 | 9 | 0 |
| 1996 | 8 | 0 |
| 1997 | 9 | 0 |
| 1998 | 14 | 0 |
| 1999 | 16 | 0 |
| 2000 | 13 | 0 |
| 2001 | 10 | 5 |
| 2002 | 12 | 6 |
| 2003 | 8 | 6 |
| 2004 | 6 | 17 |
| 2005 | 6 | 9 |
| 2006 | 10 | 7 |
| 2007 | 3 | 7 |
| 2008 | 3 | 12 |
| 2009 | 5 | 8 |
| 2010 | 4 | 14 |
| 2011 | 13 | 8 |
| 2012 | 5 | 8 |
| 2013 | 10 | 7 |
| 2014 | 1 | 5 |
| 2015 | 7 | 19 |
| 2016 | 7 | 11 |
| 2017 | 7 | 11 |
| 2018 | 12 | 7 |
| 2019 | 11 | 6 |
| 2020 | 6 | 9 |
| 2021 | 7 | 7 |
| 2022 | 4 | 13 |
| 2023 | 9 | 11 |
| 2024 | 10 | 11 |
| 2025 | 12 | 4 |
| 2026 | 4 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Forging press for hot forging of asymmetric to symmetric rail and process of forging thereof26 May 2026US RE50,897 E1Savita Nowar
- Rolling mill facility19 May 2026US 12,629,737 B2Primetals Technologies Japan, Ltd.
- Manufacturing method and manufacturing equipment of cold-rolled steel sheet12 May 2026US 12,623,264 B2Jfe Steel Corporation
- Process and apparatus for producing metallurgical products, in particular of the merchant type, in particular in an endless mode31 Mar 2026US 12,589,423 B2Danieli & C. Officine Meccaniche SpA
- Process for forming wrought structures using cold spray30 Dec 2025US 12,509,776 B2Commonwealth Scientific and Industrial Research Organisation
- Method of making thick aluminum alloy products8 Oct 2026US 2026/0308740 A1Arconic Technologies LLC
- Hot roll forming system for high strength component production23 Jul 2026US 2026/0208247 A1GM Global Technology Operations LLC
- Side trimming method23 Jul 2026US 2026/0208249 A1
- Improved operation of an induction furnace12 Feb 2026US 2026/0043610 A1Abp Induction Systems GmbH
- Process for operating a thermal treatment line for the flexible thermal treatment of metal pre-products22 Jan 2026US 2026/0022435 A1SMS group GmbH
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
- Isothermal metal forming apparatus89US 3,988,913 AInternational Harvester Company · 1976
- Method for reducing thickness of a high-strength low-ductility metal foil on thin strip element89US 5,222,282 ATexas Instruments Incorporated · 1993
- Apparatus for and method of processing billets in a rolling mill69US 6,233,994 B1Morgan Construction Company · 2001
- Metallic material having ultra-fine grain structure and method for its manufacture65US 5,080,727 ASumitomo Metal Industries, Ltd. · 1992