B23B 31/16045
Jaws movement actuated by screws and nuts or oblique racks
Official title: {Jaws movement actuated by screws and nuts or oblique racks}
B23B31/16045 (Jaws movement actuated by screws and nuts or oblique racks) appears on 40 US grants and 28 published applications in this corpus.
Search patents in B23B- Granted patents
- 40
- Published applications
- 28
- Assignees
- 22
- Inventors
- 55
- Latest grant
- 8 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 5 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 3 |
| 2014 | 1 | 2 |
| 2015 | 3 | 2 |
| 2016 | 2 | 3 |
| 2017 | 1 | 1 |
| 2018 | 1 | 3 |
| 2019 | 1 | 0 |
| 2020 | 1 | 3 |
| 2021 | 2 | 3 |
| 2022 | 1 | 1 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
| 2025 | 2 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for manufacturing gripping tool8 Jul 2025US 12,350,817 B2Kitagawa Ironworks Co., Ltd.
- Power tool chuck6 May 2025US 12,290,864 B2Black & Decker Inc.
- Air chuck26 Nov 2024US 12,151,368 B2SMC Corporation
- Device for clamping a workpiece13 Sep 2022US 11,440,104 B2
- Chuck26 Oct 2021US 11,154,938 B2SMW-Autoblok Spannsysteme GmbH
Most cited
By later US patents
- Chuck with dual independently actuable sets of jaws12US 3,975,030 AGeneral Motors Corporation · 1976
- 4-Jaw work holding chucks12US 4,192,521 A1980
- 4-Jaw work holding lathe chuck12US 4,429,887 A1984
- Chuck master jaw and false jaw construction10US 4,667,972 ASMW Schneider & Weisshaupt GmbH · 1987
- Spindle powered adjustable chuck9US 4,482,163 ALitton Industrial Products, Inc. · 1984