B21J 1/00
Preparing metal stock or similar ancillary operations prior, during or post forging
Official title: Preparing metal stock {or similar ancillary operations prior, during or post forging, e.g. heating or cooling (pretreatment for rolling B21B1/02, B21B15/0035)}
B21J1/00 (Preparing metal stock or similar ancillary operations prior, during or post forging) appears on 409 US grants and 461 published applications in this corpus.
Search patents in B21J- Granted patents
- 409
- Published applications
- 461
- Assignees
- 303
- Inventors
- 1,151
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 5 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 5 | 0 |
| 1994 | 5 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 4 | 4 |
| 2002 | 9 | 11 |
| 2003 | 6 | 9 |
| 2004 | 11 | 15 |
| 2005 | 9 | 8 |
| 2006 | 9 | 12 |
| 2007 | 11 | 8 |
| 2008 | 4 | 11 |
| 2009 | 6 | 12 |
| 2010 | 6 | 10 |
| 2011 | 5 | 18 |
| 2012 | 8 | 27 |
| 2013 | 13 | 23 |
| 2014 | 15 | 35 |
| 2015 | 24 | 35 |
| 2016 | 23 | 20 |
| 2017 | 27 | 25 |
| 2018 | 20 | 23 |
| 2019 | 22 | 22 |
| 2020 | 26 | 27 |
| 2021 | 18 | 20 |
| 2022 | 17 | 27 |
| 2023 | 12 | 19 |
| 2024 | 17 | 12 |
| 2025 | 10 | 15 |
| 2026 | 10 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Compositions for the treatment of rheumatoid arthritis and methods of using same29 Sep 2026US 12,747,487 B2Regeneron Pharmaceuticals, Inc.
- Method for manufacturing a large-sized seamless dome, and corresponding dome4 Aug 2026US 12,697,653 B2Albert & Duval
- Forging method for high-silver aluminum alloy and high-silver aluminum alloy forged part2 Jun 2026US 12,643,141 B2Central South University
- Forging press for hot forging of asymmetric to symmetric rail and process of forging thereof26 May 2026US RE50,897 E1Savita Nowar
- Sputtering target and method for producing same19 May 2026US 12,630,917 B2JX Advanced Metals Corporation
- Two-fire forming forging process for large crank throw8 Oct 2026US 2026/0307136 A1Zhongjuxin Ocean Engineering Equipment Co., Ltd
- Methods for enhancing strength of titanium alloys, golf club striking faces, and golf club heads24 Sep 2026US 2026/0284480 A1Acushnet Company
- Method for producing hot work tool steel, and hot work tool steel17 Sep 2026US 2026/0273613 A1Proterial, Ltd.
- Systems and methods for the local incremental deformation of local component regions6 Aug 2026US 2026/0227764 A1Ohio State Innovation Foundation
- Method for producing ni-based alloy9 Jul 2026US 2026/0193765 A1Proterial, Ltd.
Most cited
By later US patents
- Method for producing microporous objects with fiber, wire or foil core and microporous cellular objects129US 6,585,151 B1The Regents of the University of Michigan · 2003
- Die-formed amorphous metallic articles and their fabrication128US 5,896,642 AAmorphous Technologies International · 1999
- Process for fabricating multi-alloy components80US 4,529,452 AUnited Technologies Corporation · 1985
- Method for producing ultrafine-grained materials using repetitive corrugation and straightening77US 6,197,129 B1The United States of America as represented by the United States Department of Energy · 2001
- Forging press and method68US 4,096,730 AUnited States Steel Corporation · 1978