B21J 5/00
Methods for forging, hammering, or pressing
Official title: Methods for forging, hammering, or pressing (for working sheet-metal or metal tubes, rods, or profiles B21D; for working wire B21F); Special equipment or accessories therefor
B21J5/00 (Methods for forging, hammering, or pressing) appears on 1,422 US grants and 1,345 published applications in this corpus.
Search patents in B21J- Granted patents
- 1,422
- Published applications
- 1,345
- Assignees
- 835
- Inventors
- 3,253
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 13 | 0 |
| 1978 | 15 | 0 |
| 1979 | 7 | 0 |
| 1980 | 10 | 0 |
| 1981 | 15 | 0 |
| 1982 | 14 | 0 |
| 1983 | 16 | 0 |
| 1984 | 23 | 0 |
| 1985 | 13 | 0 |
| 1986 | 21 | 0 |
| 1987 | 20 | 0 |
| 1988 | 6 | 0 |
| 1989 | 14 | 0 |
| 1990 | 15 | 0 |
| 1991 | 10 | 0 |
| 1992 | 7 | 0 |
| 1993 | 10 | 0 |
| 1994 | 12 | 0 |
| 1995 | 7 | 0 |
| 1996 | 12 | 0 |
| 1997 | 19 | 0 |
| 1998 | 17 | 0 |
| 1999 | 31 | 0 |
| 2000 | 25 | 0 |
| 2001 | 34 | 17 |
| 2002 | 43 | 40 |
| 2003 | 33 | 38 |
| 2004 | 23 | 48 |
| 2005 | 19 | 32 |
| 2006 | 25 | 44 |
| 2007 | 30 | 48 |
| 2008 | 19 | 35 |
| 2009 | 25 | 48 |
| 2010 | 24 | 58 |
| 2011 | 48 | 56 |
| 2012 | 40 | 44 |
| 2013 | 40 | 57 |
| 2014 | 50 | 55 |
| 2015 | 52 | 110 |
| 2016 | 42 | 79 |
| 2017 | 70 | 62 |
| 2018 | 57 | 85 |
| 2019 | 71 | 72 |
| 2020 | 67 | 74 |
| 2021 | 51 | 56 |
| 2022 | 55 | 60 |
| 2023 | 39 | 36 |
| 2024 | 37 | 33 |
| 2025 | 45 | 31 |
| 2026 | 18 | 27 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B21J 5/06Methods for forging, hammering, or pressing: for performing particular operations757
- B21J 5/02Die forging414
- B21J 5/002Hybrid process101
- B21J 5/008Incremental forging63
- B21J 5/004Thixotropic process, i.e. forging at semi-solid state39
- B21J 5/006Methods for forging, hammering, or pressing: using ultrasonic waves13
- B21J 5/04Methods for forging, hammering, or pressing: by directly applied fluid pressure or12
Recent patents
- Radial forging for the manufacture of ball screw actuator shafts29 Sep 2026US 12,746,593 B2The Boeing Company
- Method for fitting a measuring device on a tube29 Sep 2026US 12,747,817 B2Siemens Mobility GmbH
- Method for manufacturing a large-sized seamless dome, and corresponding dome4 Aug 2026US 12,697,653 B2Albert & Duval
- Rack bar and steering device7 Jul 2026US 12,673,359 B2Hitachi Astemo, Ltd.
- Autogenic canister for metal recycling by indirect hot extrusion30 Jun 2026US 12,667,885 B2LeTourneau University
- Two-fire forming forging process for large crank throw8 Oct 2026US 2026/0307136 A1Zhongjuxin Ocean Engineering Equipment Co., Ltd
- Progressive area forging method1 Oct 2026US 2026/0295654 A1Doosan Enerbility Co., Ltd.
- Combined process of hot and cold forging with different forging directions1 Oct 2026US 2026/0295655 A1Hirschvogel Holding GmbH
- Bearing element manufacturing method, bearing manufacturing method, machine manufacturing method, vehicle manufacturing method, bearing element, bearing, machine, and vehicle1 Oct 2026US 2026/0298290 A1Nsk Ltd.
- Shaft-hub assembly3 Sep 2026US 2026/0258843 A1Stabilus GmbH
Most cited
By later US patents
- Apparatus for rivetting592US 8,327,514 B2Gunyang Trunet Co., Ltd. · 2012
- Golf club head with a face composed of a forged material388US 6,354,962 B1Callaway Golf Company · 2002
- Multiple material golf club head377US 6,491,592 B2Callaway Golf Company · 2002
- Golf club head with customizable center of gravity364US 6,739,983 B2Callaway Golf Company · 2004
- Multiple material golf head356US 6,471,604 B2Callaway Golf Company · 2002