B21J 5/12
Forming profiles on internal or external surfaces
Official title: Forming profiles on internal or external surfaces (making screw-thread by forging, pressing, or hammering B21K)
B21J5/12 (Forming profiles on internal or external surfaces) appears on 242 US grants and 201 published applications in this corpus.
Search patents in B21J- Granted patents
- 242
- Published applications
- 201
- Assignees
- 188
- Inventors
- 551
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 7 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 7 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 6 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 7 | 0 |
| 1999 | 9 | 0 |
| 2000 | 6 | 0 |
| 2001 | 5 | 5 |
| 2002 | 7 | 4 |
| 2003 | 5 | 7 |
| 2004 | 6 | 9 |
| 2005 | 1 | 7 |
| 2006 | 6 | 11 |
| 2007 | 7 | 10 |
| 2008 | 3 | 8 |
| 2009 | 6 | 6 |
| 2010 | 4 | 9 |
| 2011 | 9 | 9 |
| 2012 | 7 | 5 |
| 2013 | 4 | 12 |
| 2014 | 9 | 3 |
| 2015 | 10 | 8 |
| 2016 | 1 | 3 |
| 2017 | 6 | 3 |
| 2018 | 2 | 6 |
| 2019 | 0 | 11 |
| 2020 | 11 | 15 |
| 2021 | 10 | 15 |
| 2022 | 12 | 13 |
| 2023 | 7 | 7 |
| 2024 | 9 | 4 |
| 2025 | 9 | 6 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Equipment and method for forming a front toothing on an inner ring of a wheel hub12 May 2026US 12,623,273 B2Aktiebolaget Skf
- Method and connecting device for connecting at least two elements by a connecting element10 Mar 2026US 12,571,419 B2Atlas Copco IAS GmbH
- Forming method and forming machine for producing a helical toothing of a cylindrical workpiece by extrusion23 Sep 2025US 12,420,331 B2FELSS Systems GmbH
- Extrusion and/or pultrusion device and method19 Aug 2025US 12,390,974 B2Reliefed AB
- Process for manufacturing a metal part15 Apr 2025US 12,275,054 B2Creuzet Aeronautique
- Method for forming a face spline in a constant velocity joint6 Aug 2026US 2026/0225150 A1Hansae Mobility Co., Ltd.
- Equipment and method for forming a front toothing on an inner ring of a wheel hub23 Jul 2026US 2026/0208259 A1
- Textured Skived Fins28 May 2026US 2026/0145224 A1Dell Products L. P.
- Method and mechanical arrangement for producing a wall profile on a plastically deformable hollow body wall5 Mar 2026US 2026/0061470 A1FELSS Systems GmbH
- Method and connecting device for connecting at least two elements by a connecting element22 Jan 2026US 2026/0022728 A1
Most cited
By later US patents
- Two-piece dental abutment92US 5,829,977 AImplant Innovations, Inc. · 1998
- Method of manufacturing a valve sleeve86US 4,706,487 AJidosha Kiki Co., Ltd. · 1987
- Ceramic two-piece dental abutment67US 5,989,026 AImplant Innovations, Inc. · 1999
- Spade-type boring bit and an associated method and apparatus for forming metallic parts54US 5,700,113 ABlack & Decker Inc. · 1997
- Anti-rotational connecting mechanism53US 5,725,375 AImplant Innovations, Inc. · 1998