B24B 7/17
For simultaneously grinding opposite and parallel end faces
Official title: for simultaneously grinding opposite and parallel end faces, e.g. double disc grinders
B24B7/17 (For simultaneously grinding opposite and parallel end faces) appears on 187 US grants and 117 published applications in this corpus.
Search patents in B24B- Granted patents
- 187
- Published applications
- 117
- Assignees
- 131
- Inventors
- 355
- Latest grant
- 20 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 5 | 0 |
| 1989 | 5 | 0 |
| 1990 | 2 | 0 |
| 1991 | 7 | 0 |
| 1992 | 7 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 7 | 0 |
| 1998 | 4 | 0 |
| 1999 | 8 | 0 |
| 2000 | 10 | 0 |
| 2001 | 11 | 4 |
| 2002 | 7 | 3 |
| 2003 | 2 | 4 |
| 2004 | 4 | 9 |
| 2005 | 6 | 6 |
| 2006 | 9 | 5 |
| 2007 | 3 | 5 |
| 2008 | 3 | 6 |
| 2009 | 4 | 7 |
| 2010 | 2 | 6 |
| 2011 | 4 | 6 |
| 2012 | 6 | 5 |
| 2013 | 5 | 7 |
| 2014 | 2 | 4 |
| 2015 | 4 | 7 |
| 2016 | 6 | 4 |
| 2017 | 7 | 3 |
| 2018 | 3 | 3 |
| 2019 | 1 | 5 |
| 2020 | 1 | 0 |
| 2021 | 3 | 4 |
| 2022 | 5 | 4 |
| 2023 | 0 | 4 |
| 2024 | 2 | 4 |
| 2025 | 5 | 0 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for producing discs from a cylindrical rod made of a semiconductor material20 Jan 2026US 12,532,714 B2Siltronic AG
- Grinding method for circular plate-shaped workpiece9 Sep 2025US 12,409,527 B2Disco Corporation
- Machine tool for grinding discs2 Sep 2025US 12,403,559 B2Danobot S. Coop
- Method and device for processing a hard-coated workpiece surface of a rotationally symmetrical workpiece24 Jun 2025US 12,337,440 B2Thielenhaus Technologies GmbH
- Method for manufacturing glass plate, method for chamfering glass plate, and method for manufacturing magnetic disk17 Jun 2025US 12,330,982 B2Hoya Corporation
- Double or single-sided processing machine26 Mar 2026US 2026/0084261 A1Lapmaster Wolters GmbH
- Double-side grinding apparatus and methods having a wheelbase with porous abrasive members15 Jan 2026US 2026/0014665 A1GlobalWafers Co., Ltd.
- Method for grinding semiconductor wafers14 Nov 2024US 2024/0379342 A1Siltronic AG
- Method for producing discs from a cylindrical rod made of a semiconductor material11 Jul 2024US 2024/0234125 A9Siltronic AG
- Method for producing discs from a cylindrical rod made of a semiconductor material25 Apr 2024US 2024/0136173 A1Siltronic AG
Most cited
By later US patents
- Burnishing tape handling apparatus and method78US 6,283,838 B1Komag, Inc. · 2001
- System and method for texturing magnetic data storage disks52US 5,486,134 AOliver Design, Inc. · 1996
- Automated rigid-disk finishing system providing in-line process control51US 5,099,615 AExclusive Design Company · 1992
- Method of manufacturing semiconductor wafers and process of and apparatus for grinding used for the same method of manufacture42US 5,700,179 AShin-Etsu Handotai Co., Ltd. · 1997
- Automated rigid-disk finishing system providing in-line process control38US 5,088,240 AExclusive Design Company · 1992