B23B 23/02
Dead centres
B23B23/02 (Dead centres) appears on 28 US grants and 11 published applications in this corpus.
Search patents in B23B- Granted patents
- 28
- Published applications
- 11
- Assignees
- 18
- Inventors
- 44
- Latest grant
- 18 Jul 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 4 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 2 |
| 2020 | 3 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method and apparatus for turning pens18 Jul 2023US 11,701,790 B2Woodpeckers, LLC
- Method for positioning a center point on a geometric axis in a machine tool29 Sep 2020US 10,788,306 B2Index-Werke GmbH & Co. KG Hahn & Tessky
- Adjustable pipe center and method21 Apr 2020US 10,625,346 B2
- Convertible center drill4 Feb 2020US 10,549,354 B1
- Drive center with guard20 Sep 2016US 9,446,453 B2Big Tree Tools, LLC
- Yoke clamping system, grinding machine with a yoke clamping system and method for using a yoke clamping system28 May 2026US 2026/0145297 A1Adelbert Haas GmbH
- Adjustable tailstock of a woodturning lathe13 Jun 2024US 2024/0189916 A1Penn State Industries
- Method and apparatus for turning pens19 May 2022US 2022/0152863 A1Woodpeckers, LLC
- Method for Positioning a Center Point on a Geometric Axis in a Machine Tool14 Mar 2019US 2019/0078868 A1Index-Werke GmbH & Co. KG Hahn & Tessky
- Adjustable pipe center and method14 Feb 2019US 2019/0047053 A1
Most cited
By later US patents
- Method and apparatus for machining hardened parts apparatus for machining hardened parts12US 5,527,400 ADana Corporation · 1996
- Machine tool for turning, milling, boring, drilling, and washing with independent means for clamping the part to be machined9US 4,856,178 ASZ s.r.l. · 1989
- Chuck assembly for a veneer lathe8US 4,141,397 A1979
- Apparatus for supporting crystalline wafers8US 4,445,494 AWacker-Chemitronic Gesellschaft fur Elektronik-Grundstoffe mbH · 1984
- Method of machining a metal workpiece8US 5,531,633 AIngersoll-Rand Company · 1996