B21K 1/10
Of cylindrical form
Official title: of cylindrical form
B21K1/10 (Of cylindrical form) appears on 44 US grants and 41 published applications in this corpus.
Search patents in B21K- Granted patents
- 44
- Published applications
- 41
- Assignees
- 42
- Inventors
- 130
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 1 |
| 2003 | 2 | 0 |
| 2004 | 1 | 3 |
| 2005 | 3 | 6 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 5 |
| 2009 | 3 | 1 |
| 2010 | 0 | 4 |
| 2011 | 1 | 1 |
| 2012 | 1 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 1 | 1 |
| 2017 | 1 | 1 |
| 2018 | 0 | 3 |
| 2019 | 1 | 1 |
| 2020 | 2 | 1 |
| 2021 | 0 | 4 |
| 2022 | 2 | 1 |
| 2023 | 1 | 1 |
| 2024 | 1 | 0 |
| 2025 | 1 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Impact tool, spindle, and spindle manufacturing method5 May 2026US 12,617,067 B2Makita Corporation
- Treatment machine, drive unit for a treatment machine and use of the treatment machine14 Jan 2025US 12,196,260 B2Singulus Technologies AG
- Method for manufacturing cold-forged, extruded aluminum alloy tube16 Jan 2024US 11,872,616 B2Jin Yuncheng Enterprise Co., Ltd.
- Shaft for steering device, method of manufacturing shaft for steering device, and electric power steering device3 Jan 2023US 11,541,450 B2Nsk Ltd.
- Motor device and method for manufacturing same13 Sep 2022US 11,441,668 B2Mitsuba Corporation
- Propeller shaft manufacturing method and propeller shaft5 Jun 2025US 2025/0178071 A1Hitachi Astemo, Ltd.
- Impact tool, spindle, and spindle manufacturing method3 Apr 2025US 2025/0108498 A1Makita Corporation
- Mill shafts7 Sep 2023US 2023/0279529 A1AçOforja Industria De Forjados S/A
- Motor device and method for manufacturing same14 Apr 2022US 2022/0112937 A1Mitsuba Corporation
- Method for manufacturing steering shaft of steering device22 Jul 2021US 2021/0220901 A1Hitachi Automotive Systems, Ltd.
Most cited
By later US patents
- Process for cold-forming a tube having a thick-walled end portion29US 4,454,745 AStandard Tube Canada Limited · 1984
- Radial forging method20US 4,722,216 AGrotnes Metalforming Systems, Inc. · 1988
- Method of processing a multiple alloy rotor18US 7,065,872 B2General Electric Company · 2006
- Lightweight drive shaft17US 5,320,580 A1994
- Method of forming a drive shaft17US 6,247,346 B1Alcoa Inc. · 2001