G01R 33/028
Electrodynamic magnetometers
G01R33/028 (Electrodynamic magnetometers) appears on 473 US grants and 436 published applications in this corpus.
Search patents in G01R- Granted patents
- 473
- Published applications
- 436
- Assignees
- 324
- Inventors
- 1,121
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 5 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 5 | 0 |
| 1995 | 3 | 0 |
| 1996 | 7 | 0 |
| 1997 | 4 | 0 |
| 1998 | 9 | 0 |
| 1999 | 7 | 0 |
| 2000 | 5 | 0 |
| 2001 | 11 | 1 |
| 2002 | 9 | 6 |
| 2003 | 9 | 3 |
| 2004 | 2 | 5 |
| 2005 | 4 | 8 |
| 2006 | 5 | 5 |
| 2007 | 5 | 10 |
| 2008 | 13 | 11 |
| 2009 | 8 | 7 |
| 2010 | 7 | 11 |
| 2011 | 5 | 10 |
| 2012 | 10 | 23 |
| 2013 | 14 | 21 |
| 2014 | 21 | 32 |
| 2015 | 17 | 19 |
| 2016 | 20 | 23 |
| 2017 | 30 | 21 |
| 2018 | 18 | 22 |
| 2019 | 22 | 23 |
| 2020 | 27 | 34 |
| 2021 | 21 | 24 |
| 2022 | 29 | 34 |
| 2023 | 28 | 27 |
| 2024 | 37 | 26 |
| 2025 | 19 | 20 |
| 2026 | 12 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Three-dimensional on-chip magnetic sensor for oscillating magnetic fields6 Oct 2026US 12,754,258 B2California Institute of Technology
- Magnetic field-based detection method and system for circuit breaker switching operation and arc duration detection8 Sep 2026US 12,730,153 B2Georgia Tech Research Corporation
- System and method of sensing catheters location and force11 Aug 2026US 12,702,321 B2Biosense Webster (Israel) Ltd.
- Magnetometer heading error estimation11 Aug 2026US 12,704,564 B2Niantic Spatial, Inc.
- Data acquisition device21 Jul 2026US 12,687,558 B2Emak S.P.A.
- Magnetic field gradient sensor1 Oct 2026US 2026/0298970 A1Melexis Technologies SA
- Magnetic detector1 Oct 2026US 2026/0299054 A1Aichi Steel Corporation
- Assembly for compensating for the temperature of a first component of a first part17 Sep 2026US 2026/0276746 A1Endress + Hauser GmbH + Co. KG
- Magneto-mechanical accelerometer13 Aug 2026US 2026/0235640 A1Politecnico Di Bari
- Sensor device, production method for a sensor device, and operation method for a sensor device30 Jul 2026US 2026/0223602 A1
Most cited
By later US patents
- Comb drive micromechanical tuning fork gyro175US 5,349,855 AThe Charles Stark Draper Laboratory, Inc. · 1994
- Q-controlled microresonators and tunable electronic filters using such resonators155US 5,491,604 AThe Regents of the University of California · 1996
- Machine monitor with status indicator130US 6,297,742 B1CSI Technology, Inc. · 2001
- Electric motor monitor128US 5,726,911 ACSI Technology, Inc. · 1998
- Atomic magnetometer and method of sensing magnetic fields122US 8,334,690 B2The United States of America as represented by the Secretary of Commerce, The National Institute of Standards and Technology · 2012