B24B 1/005
Processes of grinding or polishing: using a magnetic polishing agent
Official title: {using a magnetic polishing agent}
B24B1/005 (Processes of grinding or polishing: using a magnetic polishing agent) appears on 125 US grants and 99 published applications in this corpus.
Search patents in B24B- Granted patents
- 125
- Published applications
- 99
- Assignees
- 92
- Inventors
- 313
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 8 | 1 |
| 2002 | 5 | 4 |
| 2003 | 5 | 7 |
| 2004 | 4 | 10 |
| 2005 | 5 | 3 |
| 2006 | 5 | 7 |
| 2007 | 5 | 4 |
| 2008 | 0 | 2 |
| 2009 | 2 | 0 |
| 2010 | 0 | 2 |
| 2011 | 7 | 10 |
| 2012 | 2 | 3 |
| 2013 | 4 | 3 |
| 2014 | 3 | 1 |
| 2015 | 6 | 4 |
| 2016 | 1 | 4 |
| 2017 | 3 | 4 |
| 2018 | 2 | 5 |
| 2019 | 0 | 5 |
| 2020 | 4 | 1 |
| 2021 | 3 | 2 |
| 2022 | 3 | 4 |
| 2023 | 1 | 1 |
| 2024 | 4 | 5 |
| 2025 | 1 | 3 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Spiral magnetorheological polishing method for mid-spatial-frequency error control19 May 2026US 12,629,794 B2National University of Defense Technology
- Device for supplying and recovering minimal quantity lubricant in magnetic field-assisted abrasive grinding19 May 2026US 12,629,797 B2Hanergy (Qingdao) Lubrication Technology Co., Ltd.
- Magnetic polishing slurry and method for polishing a workpiece10 Feb 2026US 12,545,810 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Magnetorheological abrasive flow nano-finishing (RR-MRAFNF) machine25 Nov 2025US 12,479,061 B1Imam Mohammad Ibn Saud Islamic University
- Mid-frequency error-free machining method under magneto-rheological polishing magic angle-step10 Dec 2024US 12,162,112 B2Shanghai Institute of Optics And Fine Mechanics, Chinese Academy of Sciences
- Pellicle frame, pellicle, and exposure plate with pellicle, and method for producing pellicle frame, exposure method, method for producing semiconductor device, and method for producing liquid-crystal display panel24 Sep 2026US 2026/0287996 A1Nippon Light Metal Company, Ltd.
- Smoothing technique for perforated parts by means of magnetically circulating particles23 Jul 2026US 2026/0208312 A1
- Substrate polishing head, method of polishing substrate and membrane for substrate polishing head26 Mar 2026US 2026/0084257 A1Samsung Electronics Co., Ltd.
- Substrate polishing device19 Feb 2026US 2026/0048469 A1Samsung Electronics Co., Ltd.
- Spiral magnetorheological polishing method for mid-frequency error control25 Dec 2025US 2025/0387873 A1National University of Defense Technology
Most cited
By later US patents
- Method and apparatus for chemical polishing using field responsive materials66US 6,297,159 B1Advanced Micro Devices, Inc. · 2001
- Magnetorheological polishing devices and methods59US 5,449,313 AByelocorp Scientific, Inc. · 1995
- Magnetic barrel tumbler53US 5,662,516 A1997
- Versatile wafer refining50US 6,719,615 B1Beaver Creek Concepts Inc · 2004
- Method for grinding using a magnetic fluid and an apparatus thereof43US 4,821,466 AJgc Corporation · 1989