B21J
Forging
Official title: FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES (rolling of metal B21B; making particular products by forging or pressing B21K; cladding or plating B23K; finishing surfaces by hammering B23P9/04; compacting surfaces by blasting with particulate material B24C1/10; general features of presses, presses for consolidating scrap B30B; furnaces in general F27)
B21J (Forging) appears on 5,041 US grants and 3,959 published applications in this corpus.
Search patents in B21J- Granted patents
- 5,041
- Published applications
- 3,959
- Assignees
- 1,966
- Inventors
- 8,699
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 77 | 0 |
| 1977 | 75 | 0 |
| 1978 | 77 | 0 |
| 1979 | 50 | 0 |
| 1980 | 60 | 0 |
| 1981 | 58 | 0 |
| 1982 | 60 | 0 |
| 1983 | 66 | 0 |
| 1984 | 66 | 0 |
| 1985 | 63 | 0 |
| 1986 | 71 | 0 |
| 1987 | 90 | 0 |
| 1988 | 43 | 0 |
| 1989 | 77 | 0 |
| 1990 | 66 | 0 |
| 1991 | 90 | 0 |
| 1992 | 66 | 0 |
| 1993 | 76 | 0 |
| 1994 | 73 | 0 |
| 1995 | 54 | 0 |
| 1996 | 77 | 0 |
| 1997 | 89 | 0 |
| 1998 | 80 | 0 |
| 1999 | 76 | 0 |
| 2000 | 95 | 0 |
| 2001 | 101 | 48 |
| 2002 | 116 | 103 |
| 2003 | 91 | 109 |
| 2004 | 103 | 151 |
| 2005 | 91 | 107 |
| 2006 | 85 | 139 |
| 2007 | 75 | 113 |
| 2008 | 68 | 105 |
| 2009 | 66 | 121 |
| 2010 | 76 | 137 |
| 2011 | 109 | 139 |
| 2012 | 102 | 146 |
| 2013 | 112 | 177 |
| 2014 | 143 | 181 |
| 2015 | 153 | 255 |
| 2016 | 159 | 236 |
| 2017 | 191 | 208 |
| 2018 | 181 | 249 |
| 2019 | 196 | 222 |
| 2020 | 233 | 211 |
| 2021 | 178 | 172 |
| 2022 | 184 | 175 |
| 2023 | 146 | 119 |
| 2024 | 117 | 122 |
| 2025 | 123 | 108 |
| 2026 | 67 | 106 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
Granted patents with any code in the group
- B21J 15/00Riveting2,333
- B21J 5/00Methods for forging, hammering, or pressing1,422
- B21J 13/00Details of machines for forging, pressing, or hammering800
- B21J 9/00Forging presses664
- B21J 1/00Preparing metal stock or similar ancillary operations prior, during or post forging409
- B21J 7/00Hammers245
- B21J 3/00Lubricating during forging or pressing103
- B21J 17/00Forge furnaces23
Recent patents
- Radial forging for the manufacture of ball screw actuator shafts29 Sep 2026US 12,746,593 B2The Boeing Company
- Compositions for the treatment of rheumatoid arthritis and methods of using same29 Sep 2026US 12,747,487 B2Regeneron Pharmaceuticals, Inc.
- Method for fitting a measuring device on a tube29 Sep 2026US 12,747,817 B2Siemens Mobility GmbH
- Blind rivet nut-setting tool15 Sep 2026US 12,734,657 B2Milwaukee Electric Tool Corporation
- Fastener, fastening assembly and method of installing a fastener8 Sep 2026US 12,729,707 B2Avdel UK Limited
- Two-fire forming forging process for large crank throw8 Oct 2026US 2026/0307136 A1Zhongjuxin Ocean Engineering Equipment Co., Ltd
- Portable electric rivet nut setting tool8 Oct 2026US 2026/0307225 A1Black & Decker Inc.
- Connecting system and pressing tool for a connecting system8 Oct 2026US 2026/0309256 A1Henn GmbH & Co KG.
- 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
Most cited
By later US patents
- Electric drill multi-functional apparatus946US 4,085,337 A1978
- 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