B23Q 1/287
Using a hydraulically controlled membrane acting directly upon a sliding member
Official title: {using a hydraulically controlled membrane acting directly upon a sliding member}
B23Q1/287 (Using a hydraulically controlled membrane acting directly upon a sliding member) appears on 31 US grants and 18 published applications in this corpus.
Search patents in B23Q- Granted patents
- 31
- Published applications
- 18
- Assignees
- 23
- Inventors
- 43
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 5 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 3 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 2 | 0 |
| 2009 | 2 | 0 |
| 2010 | 1 | 6 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 3 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Vacuum-compatible clamping and/or braking device10 Feb 2026US 12,544,880 B2HEMA Maschinen- und Apparateschutz GmbH
- Housing part for a pneumatic clamping and/or braking device26 Aug 2025US 12,397,388 B2HEMA Maschinen- und Apparateschutz GmbH
- Working spindle with radial clamping device5 Oct 2021US 11,135,691 B2Gebr. Heller Maschinenfabrik GmbH
- Machine tool with floating carrier device21 Oct 2014US 8,864,426 B2MAG IAS GmbH
- Brake structure of rotary table3 Dec 2013US 8,596,425 B2Nikken Kosakusho Works Ltd.
- Vacuum-compatible clamping and/or braking device21 Aug 2025US 2025/0262723 A1HEMA Maschinen- und Apparateschutz GmbH
- Housing part for a pneumatic clamping and/or braking device3 Apr 2025US 2025/0108465 A1HEMA Maschinen- und Apparateschutz GmbH
- Working spindle with radial clamping device30 Apr 2020US 2020/0130117 A1Gebr. Heller Maschinenfabrik GmbH
- Brake Structure of Rotary Table2 May 2013US 2013/0105255 A1Nikken Kosakusho Works Ltd.
- Machine tool with floating carrier device3 Nov 2011US 2011/0268521 A1MAG IAS GmbH
Most cited
By later US patents
- Hydraulic clamp bushing having sigma shaped bushing ends37US 5,855,446 AETP Transmission AB · 1999
- Driving head for the numerically controlled setting movements of a tool spindle or workpiece table around at least one axis of rotation17US 6,669,416 B2Cytec Zylindertechnik GmbH · 2003
- Tooling attachment adaptor assembly15US 4,557,645 AColt Industries Operating Corp. · 1985
- Inclining and rotating table apparatus14US 7,491,022 B2Sanko Seisakusho Co., Ltd. · 2009
- Lockable swivel coupling12US 4,188,142 A1980