B23B 2215/20
Crankshafts
B23B2215/20 (Crankshafts) appears on 33 US grants and 33 published applications in this corpus.
Search patents in B23B- Granted patents
- 33
- Published applications
- 33
- Assignees
- 29
- Inventors
- 65
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 1 |
| 2002 | 2 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 1 |
| 2006 | 1 | 1 |
| 2007 | 1 | 1 |
| 2008 | 1 | 2 |
| 2009 | 1 | 0 |
| 2010 | 1 | 1 |
| 2011 | 1 | 2 |
| 2012 | 0 | 0 |
| 2013 | 1 | 2 |
| 2014 | 1 | 4 |
| 2015 | 1 | 3 |
| 2016 | 3 | 1 |
| 2017 | 3 | 2 |
| 2018 | 1 | 1 |
| 2019 | 3 | 2 |
| 2020 | 2 | 2 |
| 2021 | 0 | 1 |
| 2022 | 1 | 1 |
| 2023 | 1 | 2 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Machine tool18 Aug 2026US 12,708,974 B2Etxe-Tar, S.A.
- Drill30 Dec 2025US 12,508,661 B2Sumitomo Electric Hardmetal Corp.
- Machining center for processing center groove and center groove processing method of a crankshaft using the same11 Jul 2023US 11,697,163 B2Hyundai Motor Company
- Machining center for processing center groove and center groove processing method of a crankshaft using the same8 Mar 2022US 11,267,056 B2Hyundai Motor Company
- Method of manufacturing a crankshaft3 Nov 2020US 10,821,527 B2GM Global Technology Operations LLC
- Machine tool8 Oct 2026US 2026/0307196 A1Etxe-Tar, S.A.
- Machine tool12 Oct 2023US 2023/0321780 A1Etxe-Tar, S.A.
- Drill8 Jun 2023US 2023/0173593 A1Sumitomo Electric Hardmetal Corp.
- Machining Center for Processing Center Groove and Center Groove Processing Method of a Crankshaft Using the Same14 Apr 2022US 2022/0111451 A1Hyundai Motor Company
- Machining Center for Processing Center Groove and Center Groove Processing Method of a Crankshaft Using the Same3 Jun 2021US 2021/0162517 A1Hyundai Motor Company
Most cited
By later US patents
- Method and apparatus for machining axially symmetrical parts21US 5,025,689 ABoehringer Werkzeugmaschinen GmbH · 1991
- Machine tool for processing crankshafts16US 6,228,007 B1Honsberg Lamb Sonderwerkzeugmaschinen GmbH · 2001
- Machine for drilling oil holes in crankshafts14US 6,203,478 B1Etxe-Tar, S.A. · 2001
- Indexable cutting bit and cutting bit holder10US 7,857,555 B2Sandvik Intellectual Property AB · 2010
- Method and apparatus for machining holes in crankshafts9US 5,759,140 AIngersoll CM Systems LLC · 1998