B24B 21/14
Contact wheels
Official title: Contact wheels; Contact rollers; Belt supporting rolls
B24B21/14 (Contact wheels) appears on 22 US grants and 14 published applications in this corpus.
Search patents in B24B- Granted patents
- 22
- Published applications
- 14
- Assignees
- 20
- Inventors
- 42
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 0 |
| 2003 | 2 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 1 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 4 |
| 2021 | 1 | 0 |
| 2022 | 2 | 1 |
| 2023 | 0 | 1 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Polishing apparatus, polishing method, and cleaning liquid supply device10 Mar 2026US 12,569,954 B2Meinan Machinery Works, Inc.
- Platen apparatus and turbine contact wheel thereof for belt grinders20 Jan 2026US 12,528,148 B2Moen Tooling LLC
- Polishing apparatus and polishing method29 Nov 2022US 11,511,386 B2Ebara Corporation
- Apparatus of manufacturing panel for home appliance and method of manufacturing the home appliance10 May 2022US 11,325,171 B2Samsung Electronics Co., Ltd.
- Belt grinder2 Nov 2021US 11,161,216 B2Industrial Technology Research Institute
- Grinding belt unit for double-sided sheet metal processing6 Aug 2026US 2026/0225203 A1ARKU Maschinenbau GmbH
- Platen Apparatus and Turbine Contact Wheel Thereof for Belt Grinders30 Apr 2026US 2026/0115854 A1Moen Tooling LLC
- Platen Apparatus and Turbine Contact Wheel Thereof For Belt Grinders2 May 2024US 2024/0139899 A1Moen Tooling LLC
- Apparatus for grinding surface of steel sheet9 Mar 2023US 2023/0070836 A1Dms Korea Co., Ltd.
- Polishing apparatus, polishing method, and cleaning liquid supply device22 Dec 2022US 2022/0402088 A1Meinan Machinery Works, Inc.
Most cited
By later US patents
- Belt sander apparatus14US 4,628,640 A1986
- Belt shifting idler pulley for reciprocating an abrasive belt9US 5,830,046 AVulcan Engineering Company, Inc. · 1998
- Method and apparatus for attenuating optical chatter marks on a finished surface8US 5,512,009 AMinnesota Mining and Manufacturing Company · 1996
- Grinding apparatus7US 5,584,752 AFuji Photo Film Co., Ltd. · 1996
- Contact wheel6US 5,339,570 AMinnesota Mining and Manufacturing Company · 1994