B23Q 11/123
For lubricating spindle bearings
Official title: {for lubricating spindle bearings (F16C33/66 takes precedence)}
B23Q11/123 (For lubricating spindle bearings) appears on 55 US grants and 48 published applications in this corpus.
Search patents in B23Q- Granted patents
- 55
- Published applications
- 48
- Assignees
- 35
- Inventors
- 98
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 2 |
| 2003 | 3 | 4 |
| 2004 | 0 | 0 |
| 2005 | 2 | 3 |
| 2006 | 2 | 4 |
| 2007 | 2 | 3 |
| 2008 | 3 | 6 |
| 2009 | 2 | 7 |
| 2010 | 1 | 3 |
| 2011 | 2 | 0 |
| 2012 | 3 | 0 |
| 2013 | 3 | 1 |
| 2014 | 2 | 1 |
| 2015 | 2 | 1 |
| 2016 | 0 | 1 |
| 2017 | 1 | 3 |
| 2018 | 3 | 1 |
| 2019 | 2 | 1 |
| 2020 | 0 | 1 |
| 2021 | 3 | 2 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 1 | 0 |
| 2025 | 0 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Spindle lubricator of machine tool, machine tool, and use method of machine tool15 Sep 2026US 12,734,632 B2Yamazaki Mazak Corporation
- Bearing apparatus3 Dec 2024US 12,157,194 B2Ntn Corporation
- Measuring device22 Aug 2023US 11,733,018 B2
- Main shaft device19 Oct 2021US 11,148,241 B2Makino Milling Machine Co., Ltd.
- Ball bearing, and machine tool spindle device17 Aug 2021US 11,092,193 B2Nsk Ltd.
- Bearing device and spindle device with bearing device14 May 2026US 2026/0132814 A1Ntn Corporation
- Spindle lubricator of machine tool, machine tool, and use method of machine tool25 Dec 2025US 2025/0387861 A1Yamazaki Mazak Corporation
- Spindle assembly of machine tool, and machine tool20 Nov 2025US 2025/0354584 A1Yamazaki Mazak Corporation
- Bearing apparatus5 Oct 2023US 2023/0311257 A1Ntn Corporation
- Ball bearing, and machine tool spindle device20 May 2021US 2021/0148400 A1Nsk Ltd.
Most cited
By later US patents
- Lubricating and cooling system for spindle bearing assembly20US 4,137,997 ASeiko Seiki Kabushiki Kaisha · 1979
- Fluid bearing tool and a method for forming the same20US 5,540,526 ALeBlond Makino Machine Tool Co. · 1996
- Tooling apparatus17US 4,631,995 A1986
- Method of and device for lubricating rolling bearings15US 7,374,019 B2Ntn Corporation · 2008
- Spindle apparatus13US 6,623,251 B2Nsk Ltd. · 2003