B23B 2231/54
Chucks for taps
B23B2231/54 (Chucks for taps) appears on 19 US grants and 20 published applications in this corpus.
Search patents in B23B- Granted patents
- 19
- Published applications
- 20
- Assignees
- 14
- Inventors
- 25
- Latest grant
- 5 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 1 |
| 2013 | 1 | 3 |
| 2014 | 1 | 1 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 3 | 1 |
| 2018 | 0 | 1 |
| 2019 | 1 | 1 |
| 2020 | 0 | 3 |
| 2021 | 3 | 0 |
| 2022 | 0 | 2 |
| 2023 | 1 | 1 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Tap holder5 Aug 2025US 12,377,471 B2Sugino Machine Limited
- Dual operating tapping head13 Feb 2024US 11,897,039 B2
- Compression and tension floating deburring tool14 Mar 2023US 11,602,793 B2Tapmatic Corporation
- Tool holder26 Oct 2021US 11,154,937 B2Nt Tool Corporation
- Torque-adjustable tapping apparatus17 Aug 2021US 11,090,745 B2Pard Hardware Industrial Co., Ltd.
- Tap holder30 Mar 2023US 2023/0094334 A1Sugino Machine Limited
- Dual Operating Tapping Head7 Apr 2022US 2022/0105581 A1
- Compression and Tension Floating Deburring Tool24 Feb 2022US 2022/0055124 A1Tapmatic Corporation
- Tool holder24 Sep 2020US 2020/0298321 A1Nt Tool Corporation
- Tool Length Adjustment System12 Mar 2020US 2020/0078874 A1Tapmatic Corporation
Most cited
By later US patents
- Combination of a drill and a means for securing the drill in a chuck12US 5,904,456 A1999
- Collet for a square-shank tap9US 5,383,673 AKennametal Inc. · 1995
- Adaptor for holding a threading device9US 8,844,941 B12014
- Tapping collet6US 5,636,851 APower Tool Holders Incorporated · 1997
- Self-synchronizing tap driver for rigid tapping with starting force adjustment6US 7,708,506 B2Tapmatic Corporation · 2010