B23B 31/16241
Form of the jaws
Official title: {Form of the jaws}
B23B31/16241 (Form of the jaws) appears on 17 US grants and 11 published applications in this corpus.
Search patents in B23B- Granted patents
- 17
- Published applications
- 11
- Assignees
- 14
- Inventors
- 36
- Latest grant
- 7 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 0 |
| 2012 | 1 | 1 |
| 2013 | 1 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 2 |
| 2021 | 1 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 0 | 0 |
| 2025 | 2 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Perforating apparatus for cylindrical workpiece, method for perforating cylindrical workpiece, method for manufacturing cylindrical product, and method for inspecting cylindrical workpiece31 Oct 2023US 11,801,564 B2NGK Insulators, Ltd.
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- Chuck mechanism17 Nov 2020US 10,835,965 B2Kitagawa Iron Works Co., Ltd.
- Chuck For A Wire Driver29 Jan 2026US 2026/0027627 A1Stryker Corporation
- Method for manufacturing gripping tool13 Feb 2025US 2025/0050510 A1Kitagawa Ironworks Co., Ltd.
- Chuck For A Wire Driver26 Oct 2023US 2023/0339026 A1Stryker Corporation
- Chuck and method for manufacturing same24 Jun 2021US 2021/0187627 A1Kitagawa Iron Works Co., Ltd.
- Perforating apparatus for cylindrical workpiece, method for perforating cylindrical workpiece, method for manufacturing cylindrical product, and method for inspecting cylindrical workpiece1 Oct 2020US 2020/0306843 A1NGK Insulators, Ltd.
Most cited
By later US patents
- Chuck apparatus for centering and locking aluminum wheels18US 5,820,137 A1998
- Expansible shaft with actuator retaining member and spherical bearing surface10US 4,469,288 ADouble-E Inc. · 1984
- Adaptive clamping type chuck10US 6,371,493 B1Sandvik Tobler S.A. · 2002
- Gripper device for mounting rubber elastic rings and finger for a gripper device of this type10US 8,671,533 B2Schunk GmbH & Co. KG Spann-Und Greiftechnik · 2014
- Chuck, particularly for machine tools9US 4,838,561 ATVA Holding S.p.A. · 1989