B21K 1/06
Axles or shafts
Official title: axles or shafts
B21K1/06 (Axles or shafts) appears on 330 US grants and 317 published applications in this corpus.
Search patents in B21K- Granted patents
- 330
- Published applications
- 317
- Assignees
- 216
- Inventors
- 741
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 6 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 5 | 0 |
| 1992 | 3 | 0 |
| 1993 | 7 | 0 |
| 1994 | 7 | 0 |
| 1995 | 6 | 0 |
| 1996 | 6 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 7 | 0 |
| 2000 | 6 | 0 |
| 2001 | 8 | 5 |
| 2002 | 5 | 9 |
| 2003 | 7 | 11 |
| 2004 | 7 | 14 |
| 2005 | 8 | 15 |
| 2006 | 6 | 14 |
| 2007 | 11 | 9 |
| 2008 | 2 | 16 |
| 2009 | 7 | 11 |
| 2010 | 5 | 14 |
| 2011 | 6 | 10 |
| 2012 | 7 | 7 |
| 2013 | 13 | 6 |
| 2014 | 7 | 9 |
| 2015 | 6 | 21 |
| 2016 | 10 | 15 |
| 2017 | 11 | 19 |
| 2018 | 17 | 26 |
| 2019 | 17 | 15 |
| 2020 | 20 | 23 |
| 2021 | 16 | 19 |
| 2022 | 13 | 12 |
| 2023 | 12 | 2 |
| 2024 | 7 | 6 |
| 2025 | 6 | 4 |
| 2026 | 4 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Hollow wind turbine main shaft and profiling forging process and use thereof25 Aug 2026US 12,716,108 B2Zenkung Heavy Industry (Jiangsu) Co., Ltd.
- Method for manufacturing constant velocity drive shaft23 Jun 2026US 12,661,708 B2Sigma & Hearts Co., Ltd.
- Impact tool, spindle, and spindle manufacturing method5 May 2026US 12,617,067 B2Makita Corporation
- Method for automated pass schedule calculation in forging stepped shafts31 Mar 2026US 12,589,430 B2SMS group GmbH
- Device and method for continuously producing an at least partly hollow shaft having a varying inner and/or outer diameter23 Dec 2025US 12,502,705 B2MAGNA Powertrain AG & Co KG
- Method and mechanical arrangement for producing a tubular hollow body from a tubular hollow body blank, in particular for producing a hollow shaft from a shaft blank13 Aug 2026US 2026/0233293 A1FELSS Systems GmbH
- Forming tool, forming tool assembly, forming machine, forming method and computer program for producing a cylindrical workpiece having a helical outer contour by means of swaging16 Jul 2026US 2026/0199959 A1FELSS Systems GmbH
- Hollow wind turbine main shaft and profiling forging process and use thereof30 Apr 2026US 2026/0117334 A1Zenkung Heavy Industry (Jiangsu) Co., Ltd.
- Method and mechanical arrangement for producing a wall profile on a plastically deformable hollow body wall5 Mar 2026US 2026/0061470 A1FELSS Systems GmbH
- Method of manufacturing a push rod for a motor vehicle steering system and push rod8 Jan 2026US 2026/0008095 A1ZF Active Safety GmbH
Most cited
By later US patents
- Hydroforming of compound tubes93US 5,333,775 AGeneral Motors Corporation · 1994
- Flexible shaft and method for manufacturing same91US 5,488,761 A1996
- Forging of a camshaft88US 4,317,355 ADiesel Kiki Co., Ltd. · 1982
- Method for forming a lightweight flanged axle shaft35US 5,213,250 A1993
- Method of internally and externally upsetting the end of a metal tube34US 5,184,495 APrideco, Inc. · 1993