B21J 9/02
Special design or construction
B21J9/02 (Special design or construction) appears on 493 US grants and 377 published applications in this corpus.
Search patents in B21J- Granted patents
- 493
- Published applications
- 377
- Assignees
- 278
- Inventors
- 1,001
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 4 | 0 |
| 1978 | 11 | 0 |
| 1979 | 4 | 0 |
| 1980 | 7 | 0 |
| 1981 | 8 | 0 |
| 1982 | 4 | 0 |
| 1983 | 6 | 0 |
| 1984 | 10 | 0 |
| 1985 | 8 | 0 |
| 1986 | 7 | 0 |
| 1987 | 6 | 0 |
| 1988 | 1 | 0 |
| 1989 | 5 | 0 |
| 1990 | 9 | 0 |
| 1991 | 8 | 0 |
| 1992 | 7 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 5 | 0 |
| 1997 | 13 | 0 |
| 1998 | 13 | 0 |
| 1999 | 5 | 0 |
| 2000 | 7 | 0 |
| 2001 | 15 | 7 |
| 2002 | 13 | 15 |
| 2003 | 11 | 17 |
| 2004 | 15 | 10 |
| 2005 | 10 | 13 |
| 2006 | 7 | 8 |
| 2007 | 8 | 14 |
| 2008 | 11 | 13 |
| 2009 | 8 | 6 |
| 2010 | 12 | 13 |
| 2011 | 6 | 9 |
| 2012 | 6 | 11 |
| 2013 | 5 | 8 |
| 2014 | 13 | 20 |
| 2015 | 16 | 24 |
| 2016 | 17 | 17 |
| 2017 | 24 | 22 |
| 2018 | 17 | 20 |
| 2019 | 13 | 20 |
| 2020 | 17 | 26 |
| 2021 | 17 | 16 |
| 2022 | 16 | 12 |
| 2023 | 16 | 20 |
| 2024 | 17 | 13 |
| 2025 | 15 | 13 |
| 2026 | 8 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Device and method of radially collapsing medical devices18 Aug 2026US 12,708,536 B2Meril Life Sciences Pvt Ltd.
- Manufacturing system26 May 2026US 12,636,698 B2Tusas- Turk Havacilik Ve Uzay Sanayii Anonim Sirketi
- Forging press for hot forging of asymmetric to symmetric rail and process of forging thereof26 May 2026US RE50,897 E1Savita Nowar
- Equipment and method for forming a front toothing on an inner ring of a wheel hub12 May 2026US 12,623,273 B2Aktiebolaget Skf
- Insulating die plate, forging press and ceramic insulating body28 Apr 2026US 12,611,707 B2SMS group GmbH
- Progressive area forging method1 Oct 2026US 2026/0295654 A1Doosan Enerbility Co., Ltd.
- Portable hot swaged coupling device for connecting articles10 Sep 2026US 2026/0266071 A1Life Coded, LLC
- Hot Straightening Device for the Hot Straightening of a Component and Hot Straightening Process30 Jul 2026US 2026/0216775 A1Core 12 GmbH
- Equipment and method for forming a front toothing on an inner ring of a wheel hub23 Jul 2026US 2026/0208259 A1
- Multi-stage forging process16 Jul 2026US 2026/0199747 A1Karsten Manufacturing Corporation
Most cited
By later US patents
- Forging press and method68US 4,096,730 AUnited States Steel Corporation · 1978
- Spade-type boring bit and an associated method and apparatus for forming metallic parts54US 5,700,113 ABlack & Decker Inc. · 1997
- Process for obtaining a hermetic connection for rigid tube51US 5,131,145 AParker Hannifin RAK SA · 1992
- Orthopaedic wire with an enlarged end and method of forming the same42US 5,690,842 AZimmer, Inc. · 1997
- Rolling bearing unit for supporting vehicle wheel42US 6,280,096 B1Nsk Ltd. · 2001