B23Q 3/152
Rotary devices
B23Q3/152 (Rotary devices) appears on 23 US grants and 27 published applications in this corpus.
Search patents in B23Q- Granted patents
- 23
- Published applications
- 27
- Assignees
- 23
- Inventors
- 68
- Latest grant
- 4 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 1 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 2 |
| 2010 | 1 | 1 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 5 |
| 2014 | 1 | 0 |
| 2015 | 4 | 3 |
| 2016 | 1 | 2 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 5 |
| 2021 | 0 | 2 |
| 2022 | 1 | 1 |
| 2023 | 1 | 0 |
| 2024 | 3 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Deposition apparatus, electronic device manufacturing apparatus, and deposition method4 Nov 2025US 12,463,071 B2Canon Tokki Corporation
- Transport carrier, deposition apparatus, and electronic device manufacturing apparatus15 Oct 2024US 12,116,664 B2Canon Tokki Corporation
- Mounting system for a grinding machine27 Aug 2024US 12,070,804 B2Schaeffler Technologies AG & Co. KG
- Turning system and method of use11 Jun 2024US 12,005,512 B1
- Electrostatic chuck with charge dissipation coating29 Aug 2023US 11,742,781 B2Entegris, Inc.
- Substrate processing apparatus and manufacturing method thereof27 Oct 2022US 2022/0339749 A1Semes Co., Ltd.
- Mounting system for a grinding machine19 Aug 2021US 2021/0252608 A1Schaeffler Technologies AG & Co. KG
- Method of grinding and turning a workpiece29 Apr 2021US 2021/0121995 A1Fives Landis Limited
- Workpiece spindle for a magnetic-shoe external cylindrical grinding machine, and magnetic-shoe external cylindrical grinding machine12 Nov 2020US 2020/0353589 A1Schaeffler Technologies AG & Co. KG
- Deposition apparatus, electronic device manufacturing apparatus, and deposition method18 Jun 2020US 2020/0189054 A1Canon Tokki Corporation
Most cited
By later US patents
- Modular permanent magnet chuck51US 7,161,451 B2GM Global Technology Operations LLC · 2007
- Switchable permanent magnetic holding devices49US 4,055,824 A1977
- Workpart chuck positioning mechanism with independent shoes11US 5,213,348 ABryant Grinder Corporation · 1993
- Automatic workpart centering mechanism for a chuck10US 4,926,337 ABryant Grinder Corporation · 1990
- Method to estimate attractive force in a permanent magnet chuck9US 7,102,476 B1General Motors Corporation · 2006