B24B 21/18
Accessories
B24B21/18 (Accessories) appears on 247 US grants and 192 published applications in this corpus.
Search patents in B24B- Granted patents
- 247
- Published applications
- 192
- Assignees
- 130
- Inventors
- 428
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 6 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 7 | 0 |
| 2000 | 6 | 0 |
| 2001 | 5 | 3 |
| 2002 | 12 | 9 |
| 2003 | 15 | 13 |
| 2004 | 7 | 10 |
| 2005 | 15 | 7 |
| 2006 | 10 | 9 |
| 2007 | 5 | 13 |
| 2008 | 8 | 3 |
| 2009 | 3 | 6 |
| 2010 | 2 | 7 |
| 2011 | 6 | 5 |
| 2012 | 2 | 7 |
| 2013 | 3 | 2 |
| 2014 | 6 | 10 |
| 2015 | 9 | 10 |
| 2016 | 13 | 5 |
| 2017 | 10 | 9 |
| 2018 | 8 | 15 |
| 2019 | 7 | 8 |
| 2020 | 5 | 8 |
| 2021 | 4 | 3 |
| 2022 | 5 | 8 |
| 2023 | 4 | 6 |
| 2024 | 5 | 6 |
| 2025 | 4 | 6 |
| 2026 | 7 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Pressing element for a grinding belt, with cooling12 May 2026US 12,623,314 B2Hülsemann
- Belt sander capable of automatically adjusting oscillating position of abrasive belt5 May 2026US 12,617,056 B2
- Robotic polishing system and method for using same5 May 2026US 12,617,102 B2Pratt & Whitney Canada Corp.
- Polishing apparatus, polishing method, and cleaning liquid supply device10 Mar 2026US 12,569,954 B2Meinan Machinery Works, Inc.
- Belt loading method and device for material removal tool24 Feb 2026US 12,558,755 B2Pratt & Whitney Canada Corp.
- Grinding belt unit for double-sided sheet metal processing6 Aug 2026US 2026/0225203 A1ARKU Maschinenbau GmbH
- Knife sharpening mechanism with an adjustable sharpening angle and an electric knife sharpener25 Jun 2026US 2026/0175344 A1
- Platen Apparatus and Turbine Contact Wheel Thereof for Belt Grinders30 Apr 2026US 2026/0115854 A1Moen Tooling LLC
- Conveyor platform structure having a belt tension adjustment device2 Apr 2026US 2026/0091461 A1Yeon Chuan Machinery Co., Ltd.
- Belt sander capable of automatically adjusting oscillating position of abrasive belt9 Oct 2025US 2025/0312880 A1
Most cited
By later US patents
- Polishing machine having a taut microabrasive strip and an improved wafer support head126US 5,335,453 ACommissariat A L' Energie Atomique · 1994
- Web-format planarizing machines and methods for planarizing microelectronic substrate assemblies108US 6,261,163 B1Micron Technology, Inc. · 2001
- Web-format planarizing machines and methods for planarizing microelectronic substrate assemblies104US 6,306,014 B1Micron Technology, Inc. · 2001
- Method and apparatus for aligning and tensioning a pad/belt used in linear planarization for chemical mechanical polishing59US 5,871,390 ALam Research Corporation · 1999
- System for chemical mechanical planarization52US 6,413,873 B1APPLIED Materials.Inc. · 2002