B24B 21/06
Involving members with limited contact area pressing the belt against the work
Official title: involving members with limited contact area pressing the belt against the work, e.g. shoes sweeping across the whole area to be ground (B24B21/12 takes precedence)
B24B21/06 (Involving members with limited contact area pressing the belt against the work) appears on 156 US grants and 112 published applications in this corpus.
Search patents in B24B- Granted patents
- 156
- Published applications
- 112
- Assignees
- 91
- Inventors
- 274
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 8 | 0 |
| 2001 | 8 | 5 |
| 2002 | 5 | 6 |
| 2003 | 7 | 9 |
| 2004 | 4 | 4 |
| 2005 | 11 | 4 |
| 2006 | 5 | 3 |
| 2007 | 2 | 8 |
| 2008 | 4 | 3 |
| 2009 | 2 | 4 |
| 2010 | 2 | 2 |
| 2011 | 2 | 1 |
| 2012 | 1 | 5 |
| 2013 | 4 | 2 |
| 2014 | 2 | 6 |
| 2015 | 5 | 4 |
| 2016 | 6 | 4 |
| 2017 | 4 | 5 |
| 2018 | 6 | 5 |
| 2019 | 1 | 8 |
| 2020 | 3 | 5 |
| 2021 | 4 | 2 |
| 2022 | 6 | 2 |
| 2023 | 1 | 2 |
| 2024 | 2 | 3 |
| 2025 | 3 | 8 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Polishing apparatus and polishing method8 Sep 2026US 12,728,495 B2Ebara Corporation
- Pressing element for a grinding belt, with cooling12 May 2026US 12,623,314 B2Hülsemann
- Devices and methods for the laterally precisely defined use of sanding belts on belt sanding machines in continuous operation7 Oct 2025US 12,434,346 B2KüNdig AG
- Method for determining state information relating to a belt grinder by means of a machine learning system26 Aug 2025US 12,397,392 B2Robert Bosch GmbH
- Polishing head and polishing apparatus5 Aug 2025US 12,377,516 B2Ebara Corporation
- Polishing method and polishing apparatus1 Oct 2026US 2026/0295763 A1Ebara Corporation
- Polishing head and polishing apparatus24 Sep 2026US 2026/0284822 A1Ebara Corporation
- Polishing apparatus, polishing method, and polishing head11 Sep 2025US 2025/0282017 A1Ebara Corporation
- Substrate processing apparatus17 Jul 2025US 2025/0229378 A1Ebara Corporation
- Equipment for surface processing of plate-shaped elements3 Jul 2025US 2025/0214194 A1Infinititech Srl
Most cited
By later US patents
- Apparatus and method for polishing a flat surface using a belted polishing pad264US 6,059,643 AAplex, Inc. · 2000
- Wafer polishing machine with fluid bearings151US 5,558,568 AOntrak Systems, Inc. · 1996
- Wafer polishing machine with fluid bearings and drive systems123US 5,593,344 AOntrak Systems, Inc. · 1997
- Sensors for a linear polisher115US 5,762,536 ALam Research Corporation · 1998
- Technique for improving within-wafer non-uniformity of material removal for performing CMP109US 5,722,877 ALam Research Corporation · 1998