H01F 7/0294
Detection, inspection, magnetic treatment
Official title: {Detection, inspection, magnetic treatment}
H01F7/0294 (Detection, inspection, magnetic treatment) appears on 133 US grants and 158 published applications in this corpus.
Search patents in H01F- Granted patents
- 133
- Published applications
- 158
- Assignees
- 117
- Inventors
- 325
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 2 |
| 2003 | 0 | 0 |
| 2004 | 3 | 2 |
| 2005 | 1 | 0 |
| 2006 | 1 | 3 |
| 2007 | 1 | 5 |
| 2008 | 2 | 6 |
| 2009 | 2 | 5 |
| 2010 | 3 | 6 |
| 2011 | 3 | 4 |
| 2012 | 1 | 2 |
| 2013 | 3 | 4 |
| 2014 | 1 | 3 |
| 2015 | 3 | 11 |
| 2016 | 2 | 7 |
| 2017 | 10 | 9 |
| 2018 | 9 | 8 |
| 2019 | 7 | 11 |
| 2020 | 8 | 17 |
| 2021 | 11 | 10 |
| 2022 | 14 | 10 |
| 2023 | 8 | 8 |
| 2024 | 8 | 11 |
| 2025 | 6 | 11 |
| 2026 | 6 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Magnetic ball calibration method and magnetic ball calibration apparatus15 Sep 2026US 12,738,402 B2Ankon Medical Technologies (Shanghai) Co., LTD.
- Deposition apparatus28 Jul 2026US 12,692,591 B2Samsung Display Co., Ltd.
- Extended closure sensor design for an electronic device16 Jun 2026US 12,656,419 B2Google Inc.
- Sensor element for testing a data carrier having a spin resonance feature, dividing method, mounting method and testing method17 Mar 2026US 12,578,292 B2Giesecke+Devrient Currency Technology GmbH
- Device with diameteral magnetic arrays for installation in magnetic subs for the remediation and mitigation of scale in production columns17 Mar 2026US 12,580,112 B2Centro Brasileiro De Pesquisas Físicas
- Focusing device and projection device1 Oct 2026US 2026/0303763 A1Anker Innovations Technology Co., Ltd.
- Magnet module, sensor module, and method for manufacturing magnet module10 Sep 2026US 2026/0269114 A1Panasonic Intellectual Property Management Co., Ltd.
- Magnet arrangement for a magnetic sensing device30 Jul 2026US 2026/0219025 A1
- Fluid treatment system, separator and method using a magnetic field25 Dec 2025US 2025/0387732 A1RJ Enterprises, Inc.
- Systems and methods using rotating magnetic rollers20 Nov 2025US 2025/0357030 A13M Innovative Properties Company
Most cited
By later US patents
- Magnets with varying magnetization direction and method of making such magnets134US 6,940,379 B2Stereotaxis, Inc. · 2005
- Magnets with varying magnetization direction and method of making such magnets98US 7,286,034 B2Stereotaxis, Inc. · 2007
- Controllable fluid gripping devices46US 5,970,581 ABIC Corporation · 1999
- Apparatus for magnetically treating fluids33US 4,808,306 A1989
- Magnetized active carbon composition30US 4,260,523 A1981