B24B 31/102
Using an alternating magnetic field
Official title: {using an alternating magnetic field}
B24B31/102 (Using an alternating magnetic field) appears on 26 US grants and 24 published applications in this corpus.
Search patents in B24B- Granted patents
- 26
- Published applications
- 24
- Assignees
- 28
- Inventors
- 92
- Latest grant
- 10 Sep 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 2 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 2 |
| 2012 | 2 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 2 |
| 2016 | 0 | 3 |
| 2017 | 2 | 1 |
| 2018 | 0 | 2 |
| 2019 | 1 | 1 |
| 2020 | 1 | 1 |
| 2021 | 0 | 2 |
| 2022 | 2 | 3 |
| 2023 | 1 | 0 |
| 2024 | 3 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Magnetic field-assisted vibratory finishing device for minute structure and finishing method10 Sep 2024US 12,083,645 B2Shandong University of Technology
- Performing operations on a workpiece using electromagnetic forces20 Aug 2024US 12,064,844 B211885111 Canada Ltd.
- Controllable magnetic field-assisted finishing apparatus for inner surface and method25 Jun 2024US 12,017,319 B2Shandong University of Technology
- Method for coating on surface of medical peek material, titanium having microporous structure10 Oct 2023US 11,781,211 B2Osong Medical Innovation Foundation
- Magnetic abrasive finishing of curved surfaces13 Sep 2022US 11,440,156 B2Islamic Azad University of Najafabad
- Multi-fields assisted abrasive scouring polishing method and device24 Apr 2025US 2025/0128379 A1Dalian University of Technology
- System and methods of finishing a metallic surface8 Dec 2022US 2022/0389277 A13M Innovative Properties Company
- Controllable magnetic field-assisted finishing apparatus for inner surface and method28 Jul 2022US 2022/0234158 A1Shandong University of Technology
- Magnetic field-assisted vibratory finishing device for minute structure and finishing method31 Mar 2022US 2022/0097194 A1Shandong University of Technology
- Performing Operations on a Workpiece Using Electromagnetic Forces19 Aug 2021US 2021/0252662 A111885111 Canada Ltd.
Most cited
By later US patents
- Magnetic barrel tumbler53US 5,662,516 A1997
- Magnetically-polishing machine and process30US 5,044,128 APriority Co., Ltd. · 1991
- Method for finishing surfaces of non-magnetic articles by means of ferromagnetic abrasive powder in magnetic field21US 4,175,930 A1979
- Magnetic barrel finishing machine16US 5,419,735 AImahashi Mfg. Co., Ltd. · 1995
- Method and apparatus for peening the internal surface of a non-ferromagnetic hollow part14US 5,950,470 AUnited Technologies Corporation · 1999