B24D 9/00
Wheels or drums supporting in exchangeable arrangement a layer of flexible abrasive
Official title: Wheels or drums supporting in exchangeable arrangement a layer of flexible abrasive material, e.g. sandpaper
B24D9/00 (Wheels or drums supporting in exchangeable arrangement a layer of flexible abrasive) appears on 502 US grants and 398 published applications in this corpus.
Search patents in B24D- Granted patents
- 502
- Published applications
- 398
- Assignees
- 236
- Inventors
- 907
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 5 | 0 |
| 1981 | 6 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 7 | 0 |
| 1986 | 5 | 0 |
| 1987 | 5 | 0 |
| 1988 | 3 | 0 |
| 1989 | 6 | 0 |
| 1990 | 8 | 0 |
| 1991 | 6 | 0 |
| 1992 | 12 | 0 |
| 1993 | 12 | 0 |
| 1994 | 10 | 0 |
| 1995 | 14 | 0 |
| 1996 | 9 | 0 |
| 1997 | 16 | 0 |
| 1998 | 13 | 0 |
| 1999 | 16 | 0 |
| 2000 | 24 | 0 |
| 2001 | 31 | 14 |
| 2002 | 21 | 28 |
| 2003 | 35 | 17 |
| 2004 | 21 | 20 |
| 2005 | 13 | 20 |
| 2006 | 19 | 12 |
| 2007 | 10 | 13 |
| 2008 | 5 | 11 |
| 2009 | 2 | 11 |
| 2010 | 2 | 13 |
| 2011 | 6 | 7 |
| 2012 | 7 | 12 |
| 2013 | 8 | 15 |
| 2014 | 9 | 14 |
| 2015 | 6 | 18 |
| 2016 | 8 | 16 |
| 2017 | 17 | 12 |
| 2018 | 14 | 18 |
| 2019 | 11 | 17 |
| 2020 | 9 | 17 |
| 2021 | 9 | 28 |
| 2022 | 5 | 17 |
| 2023 | 13 | 16 |
| 2024 | 10 | 15 |
| 2025 | 11 | 8 |
| 2026 | 5 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B24D 9/08Circular back-plates for carrying flexible material360
- B24D 9/04Rigid drums for carrying flexible material54
- B24D 9/02Expansible drums for carrying flexible material in tubular form31
- B24D 9/003Wheels having flaps of flexible abrasive material supported by a flexible material27
- B24D 9/006Tools consisting of a rolled strip of flexible material8
Recent patents
- Repositionable abrasive disc mounting assembly and method of using the same9 Jun 2026US 12,649,215 B23M Innovative Properties Company
- Buffing pad3 Mar 2026US 12,564,917 B2Buff and Shine Mfg., Inc.
- Plate-like backing pad adapted for releasable attachment to a hand-held polishing or sanding power tool3 Feb 2026US 12,539,578 B2
- Device for changing abrading products6 Jan 2026US 12,515,292 B2Mirka Ltd
- Grinding and/or cutting tool and method for grinding and/or cutting6 Jan 2026US 12,515,298 B2Gerima Holding GmbH
- Sanding pad having a sealing element and a rib structure, and sanding machine8 Oct 2026US 2026/0307197 A1Festool GmbH
- A holding device for abrasive strips and use of a holding device27 Aug 2026US 2026/0249427 A1Flex Trim A/S
- Changing Station for the Automatic Changing of Abrasive Devices18 Jun 2026US 2026/0166673 A1
- Buffing Pad21 May 2026US 2026/0138235 A1Buff and Shine Manufacturing, Inc.
- Clip-Accessory Mounting System7 May 2026US 2026/0124734 A1Robert Bosch GmbH
Most cited
By later US patents
- Method of making an abrasive article157US 5,505,747 AMinnesota Mining and Manufacturing Company · 1996
- Method of making an abrasive article116US 5,840,089 AMinnesota Mining and Manufacturing Company · 1998
- Raised island abrasive, method of use and lapping apparatus111US 6,769,969 B1Keltech Engineering · 2004
- Coated abrasive sheet material with loop material for attachment incorporated therein109US 5,254,194 AMinnesota Mining and Manufacturing Company · 1993
- Method and apparatus for releasably attaching polishing pads to planarizing machines in mechanical and/or chemical-mechanical planarization of microelectronic-device substrate assemblies101US 6,296,557 B1Micron Technology, Inc. · 2001