B23Q 1/38
Using fluid bearings or fluid cushion supports
Official title: using fluid bearings or fluid cushion supports
B23Q1/38 (Using fluid bearings or fluid cushion supports) appears on 213 US grants and 87 published applications in this corpus.
Search patents in B23Q- Granted patents
- 213
- Published applications
- 87
- Assignees
- 148
- Inventors
- 405
- Latest grant
- 16 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 6 | 0 |
| 1981 | 7 | 0 |
| 1982 | 5 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 7 | 0 |
| 1986 | 12 | 0 |
| 1987 | 6 | 0 |
| 1988 | 10 | 0 |
| 1989 | 5 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 5 | 0 |
| 1996 | 8 | 0 |
| 1997 | 4 | 0 |
| 1998 | 5 | 0 |
| 1999 | 6 | 0 |
| 2000 | 7 | 0 |
| 2001 | 7 | 3 |
| 2002 | 7 | 8 |
| 2003 | 9 | 5 |
| 2004 | 8 | 5 |
| 2005 | 1 | 3 |
| 2006 | 3 | 6 |
| 2007 | 3 | 1 |
| 2008 | 1 | 0 |
| 2009 | 2 | 2 |
| 2010 | 0 | 1 |
| 2011 | 1 | 1 |
| 2012 | 1 | 2 |
| 2013 | 3 | 7 |
| 2014 | 1 | 2 |
| 2015 | 1 | 4 |
| 2016 | 2 | 4 |
| 2017 | 4 | 4 |
| 2018 | 2 | 4 |
| 2019 | 4 | 2 |
| 2020 | 7 | 5 |
| 2021 | 3 | 5 |
| 2022 | 2 | 3 |
| 2023 | 2 | 5 |
| 2024 | 3 | 1 |
| 2025 | 3 | 3 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Apparatus for cooling and load-compensating ram spindle and machine tool including same16 Dec 2025US 12,496,670 B2Dn Solutions Co., Ltd.
- Table group for a machine tool30 Sep 2025US 12,427,610 B2Innse-Berardi S.P.A. Societa' Unipersonale
- High precision machine tool having linear drive- and guide bearing24 Jun 2025US 12,337,430 B2Kern Microtechnik GmbH
- Machine tool22 Oct 2024US 12,122,004 B2Nagase Integrex Co., Ltd.
- Composite static rotary table and method for protecting composite static rotary table16 Jul 2024US 12,036,631 B1Ningbo Intelligent Machine Tool Research Institute Co., Ltd. of China National Machinery Institute Group
- Multi-channel flow control system11 Jun 2026US 2026/0160277 A1Industrial Technology Research Institute
- Processing machine and adjustment method2 Oct 2025US 2025/0303509 A1Shibaura Machine Co., Ltd.
- Locking device and method for performing relative positioning between a locking device and a slab-like object10 Jul 2025US 2025/0222566 A1C.M.S. S.p.A.
- Base supporting device10 Apr 2025US 2025/0116369 A1Mitutoyo Corporation
- Apparatus for cooling and load-compensating ram spindle and machine tool including same20 Jun 2024US 2024/0198470 A1Dn Solutions Co., Ltd.
Most cited
By later US patents
- Motion guiding device78US 5,228,358 ACanon Kabushiki Kaisha · 1993
- Positioning device comprising pre-stressed contactless bearings65US 4,628,238 AU. S. Philips Corporation · 1986
- Multi-axis gas bearing stage assembly65US 4,676,649 ACompact Spindle Bearing Corporation · 1987
- Workpiece positioning table with air bearing pads63US 4,392,642 AAnorad Corporation · 1983
- Table mechanism for controlling table attitude61US 4,653,408 ACitizen Watch Co., Ltd. · 1987