B24D 9/04
Rigid drums for carrying flexible material
B24D9/04 (Rigid drums for carrying flexible material) appears on 54 US grants and 33 published applications in this corpus.
Search patents in B24D- Granted patents
- 54
- Published applications
- 33
- Assignees
- 32
- Inventors
- 95
- Latest grant
- 10 Sep 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 1 |
| 2003 | 4 | 3 |
| 2004 | 3 | 2 |
| 2005 | 2 | 2 |
| 2006 | 2 | 1 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 2 |
| 2011 | 0 | 1 |
| 2012 | 1 | 1 |
| 2013 | 1 | 1 |
| 2014 | 2 | 3 |
| 2015 | 0 | 1 |
| 2016 | 2 | 2 |
| 2017 | 2 | 2 |
| 2018 | 1 | 0 |
| 2019 | 1 | 3 |
| 2020 | 0 | 0 |
| 2021 | 1 | 1 |
| 2022 | 1 | 1 |
| 2023 | 0 | 0 |
| 2024 | 2 | 1 |
| 2025 | 0 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Outer diameter cleaning and sanding drill attachment10 Sep 2024US 12,083,650 B2
- Sander apparatus and method26 Mar 2024US 11,938,585 B1Stringtech Workstations Inc.
- Wheel brush and grinding element bundle holder6 Sep 2022US 11,433,506 B2Taimei Chemicals Co., Ltd.
- Method of fabricating sandpaper for grinding industrial parts and sandpaper fabricated by the method12 Oct 2021US 11,141,836 B2
- Spindle and tool holder refinisher6 Aug 2019US 10,369,682 B2
- Edge polishing drum for wafers and edge polishing equipment for wafers including the same8 Jan 2026US 2026/0008157 A1SK Siltron Co., Ltd.
- Slotted retention tool for retaining abrasive material13 Nov 2025US 2025/0345899 A1
- Outer Diameter Cleaning and Sanding Tube28 Nov 2024US 2024/0391045 A1
- Abrasive wheel which can be provided with a sandpaper2 Jun 2022US 2022/0168868 A1Fortune Extendables Corp.
- Outer Diameter Cleaning and Sanding Drill Attachment16 Dec 2021US 2021/0387302 A1
Most cited
By later US patents
- Method for apparatus for polishing outer peripheral chamfered part of wafer86US 6,884,154 B2Shin-Etsu Handotai Co., Ltd. · 2005
- Apparatus for polishing the periphery portion of a wafer42US 5,476,413 AFujikoshi Machinery Corp. · 1995
- Abrading machine35US 6,796,877 B1University College London · 2004
- Abrasive sheet holding sanding device27US 5,419,087 A1995
- Portable surface treatment device15US 6,817,932 B22004