B23B 23/04
Live centres
B23B23/04 (Live centres) appears on 40 US grants and 18 published applications in this corpus.
Search patents in B23B- Granted patents
- 40
- Published applications
- 18
- Assignees
- 23
- Inventors
- 60
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 3 |
| 2003 | 1 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 2 | 0 |
| 2015 | 0 | 1 |
| 2016 | 2 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 1 | 2 |
| 2020 | 2 | 1 |
| 2021 | 2 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 2 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for pressing tailstock of machining apparatus, machining apparatus, and computer-readable storage medium17 Feb 2026US 12,551,949 B2Yamazaki Mazak Corporation
- Tail stock for a long vertically suspended workpiece that will experience heat expansion26 Sep 2023US 11,766,723 B2Baker Hughes, A Ge Company, LLC
- Tail stock for a long vertically suspended workpiece that will experience heat expansion14 Dec 2021US 11,198,183 B2Baker Hughes, A Ge Company, LLC
- Spindle device6 Jul 2021US 11,052,503 B2Fanuc Corporation
- Adjustable pipe center and method21 Apr 2020US 10,625,346 B2
- Adjustable tailstock of a woodturning lathe13 Jun 2024US 2024/0189916 A1Penn State Industries
- Method for pressing tailstock of machining apparatus, machining apparatus, and computer-readable storage medium28 Sep 2023US 2023/0302543 A1Yamazaki Mazak Corporation
- Low frequency vibration machining center for breaking up chip20 Apr 2023US 2023/0120743 A1Hantop Intelligence Technology Co., LTD.
- Tail stock for a long vertically suspended workpiece that will experience heat expansion30 Dec 2021US 2021/0402484 A1Baker Hughes, A Ge Company, LLC
- Spindle device23 Jan 2020US 2020/0023482 A1Fanuc Corporation
Most cited
By later US patents
- Workholding apparatus10US 5,797,605 AThe Gleason Works · 1998
- Live center with hydraulic pressure indicator6US 4,033,210 AJ & S Tool Company, Inc. · 1977
- Centering fixture for wood turning lathe6US 4,702,132 A1987
- Cylindrical member and method of manufacturing the same6US 5,749,274 ACanon Kabushiki Kaisha · 1998
- Lathe6US 5,924,344 AIndex-Werke GmbH & Co. KG Hahn & Tessky · 1999