B23B 31/16279
Fixation on the master jaw
Official title: {Fixation on the master jaw}
B23B31/16279 (Fixation on the master jaw) appears on 62 US grants and 40 published applications in this corpus.
Search patents in B23B- Granted patents
- 62
- Published applications
- 40
- Assignees
- 36
- Inventors
- 87
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 1 |
| 2002 | 3 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 2 |
| 2008 | 0 | 2 |
| 2009 | 1 | 2 |
| 2010 | 0 | 3 |
| 2011 | 2 | 2 |
| 2012 | 3 | 1 |
| 2013 | 4 | 2 |
| 2014 | 2 | 4 |
| 2015 | 1 | 2 |
| 2016 | 2 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 2 |
| 2019 | 2 | 2 |
| 2020 | 2 | 3 |
| 2021 | 2 | 1 |
| 2022 | 1 | 3 |
| 2023 | 1 | 3 |
| 2024 | 0 | 1 |
| 2025 | 2 | 0 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Chuck jaw28 Apr 2026US 12,611,720 B2
- Structure and chuck14 Apr 2026US 12,599,973 B2Kitagawa Iron Works Co., Ltd.
- Automatic jig replacement system10 Feb 2026US 12,544,873 B2Kitagawa Iron Works Co., Ltd.
- Structure29 Apr 2025US 12,285,807 B2Kitagawa Iron Works Co., Ltd.
- Chuck with improved gripping stroke28 Jan 2025US 12,208,452 B2Workholding US Holdings, LLC
- Chuck arrangement comprising a turnable t-slot nut provided with threaded holes and a method for operating the same24 Sep 2026US 2026/0284753 A1M.P.C.-System AB
- Clamping jaw and chuck2 May 2024US 2024/0139830 A1Rohm Co., Ltd.
- Automatic jig replacement system30 Nov 2023US 2023/0381907 A1Kitagawa Iron Works Co., Ltd.
- Securement Device for a Press Tool24 Aug 2023US 2023/0264447 A1
- Chuck jaw25 May 2023US 2023/0158580 A1
Most cited
By later US patents
- Diaphragm chuck35US 6,145,850 ASMW-Autoblok Spannsysteme GmbH · 2000
- Quick-change chuck jaws25US 5,664,793 A1997
- Locking tool holder apparatus19US 5,464,232 AIllinois Tool Works Inc. · 1995
- System for the rapid change of clamping jaws on a machine tool15US 4,763,906 ASandvik Tobler S.A. · 1988
- Jaw assembly14US 4,960,285 A1990