B23Q 3/183
Centering devices
Official title: {Centering devices}
B23Q3/183 (Centering devices) appears on 176 US grants and 135 published applications in this corpus.
Search patents in B23Q- Granted patents
- 176
- Published applications
- 135
- Assignees
- 132
- Inventors
- 324
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 6 | 0 |
| 1990 | 5 | 0 |
| 1991 | 5 | 0 |
| 1992 | 3 | 0 |
| 1993 | 6 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 6 | 0 |
| 2002 | 4 | 5 |
| 2003 | 6 | 4 |
| 2004 | 5 | 11 |
| 2005 | 7 | 7 |
| 2006 | 6 | 6 |
| 2007 | 6 | 7 |
| 2008 | 4 | 5 |
| 2009 | 0 | 7 |
| 2010 | 9 | 6 |
| 2011 | 3 | 4 |
| 2012 | 5 | 5 |
| 2013 | 4 | 5 |
| 2014 | 4 | 1 |
| 2015 | 4 | 10 |
| 2016 | 3 | 2 |
| 2017 | 7 | 6 |
| 2018 | 3 | 3 |
| 2019 | 2 | 4 |
| 2020 | 6 | 7 |
| 2021 | 5 | 9 |
| 2022 | 5 | 6 |
| 2023 | 9 | 7 |
| 2024 | 5 | 2 |
| 2025 | 2 | 2 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Gemstone centering device19 May 2026US 12,629,799 B2Gemological Appraisal Association, Inc.
- Centering mechanisms for precision alignment of a component or ware10 Mar 2026US 12,569,951 B2Corning Incorporated
- Device for extracting drilling sludge and the use thereof15 Jul 2025US 12,358,091 B2Hilti Aktiengesellschaft
- Centering mechanisms for precision alignment of a component or ware8 Apr 2025US 12,269,138 B2Corning Incorporated
- Flat head units for heavy load alignment12 Nov 2024US 12,140,168 B2APPLIED Materials.Inc.
- Detachable fixture device23 Jul 2026US 2026/0208307 A1Grand Mate Co., Ltd.
- Centering mechanisms for precision alignment of a component or ware18 Jun 2026US 2026/0166667 A1Corning Incorporated
- Work Holding Device7 May 2026US 2026/0124717 A1Brinkman Products, Inc.
- Apparatus and method for rotation assembly centering in a substrate processing system5 Feb 2026US 2026/0034625 A1ASM IP Holding B. V.
- Positioning device21 Aug 2025US 2025/0262777 A1Fanuc Corporation
Most cited
By later US patents
- Distortion-free method of mounting an end piece on a thin-walled hollow tube73US 5,177,854 A1993
- Component centering tool64US 4,821,393 ASrtechnologies, Inc. · 1989
- Eyeglasses frame tracing device45US 5,228,242 ANidek Co., Ltd. · 1993
- Unit for releasably attaching parts and palletizing apparatus for it36US 6,161,826 AParotec AG · 2000
- Coupling assembly for a machining device34US 6,152,436 AMecatool AG · 2000