G01V 3/102
By measuring amplitude
Official title: {by measuring amplitude}
G01V3/102 (By measuring amplitude) appears on 79 US grants and 36 published applications in this corpus.
Search patents in G01V- Granted patents
- 79
- Published applications
- 36
- Assignees
- 61
- Inventors
- 137
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 5 | 0 |
| 1986 | 1 | 0 |
| 1987 | 6 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 6 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 1 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 2 | 2 |
| 2015 | 0 | 5 |
| 2016 | 0 | 1 |
| 2017 | 1 | 3 |
| 2018 | 5 | 7 |
| 2019 | 8 | 2 |
| 2020 | 3 | 5 |
| 2021 | 2 | 0 |
| 2022 | 1 | 1 |
| 2023 | 2 | 3 |
| 2024 | 1 | 2 |
| 2025 | 1 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and apparatus for autonomous gravity and/or magnetic field measurement10 Mar 2026US 12,571,931 B2Saudi Arabian Oil Company
- High performance inductive sensing all digital phase locked loop23 Sep 2025US 12,425,026 B2Cypress Semiconductor Corporation
- High performance inductive sensing all digital phase locked loop30 Apr 2024US 11,973,498 B2Cypress Semiconductor Corporation
- Foreign object detection circuit and foreign object detection method17 Oct 2023US 11,791,666 B2NuVolta Technologies (Hefei) Co., Ltd.
- High performance inductive sensing all digital phase locked loop10 Jan 2023US 11,552,635 B2Cypress Semiconductor Corporation
- Methods and systems for phase sensitive electromagnetic sensing via physically separated transmitter and receiver modules26 Feb 2026US 2026/0056343 A1Battelle Memorial Institute
- Method and apparatus for autonomous gravity and/or magnetic field measurement28 Nov 2024US 2024/0393491 A1Aramco Innovations LLC
- High performance inductive sensing all digital phase locked loop22 Aug 2024US 2024/0283451 A1Cypress Semiconductor Corporation
- Foreign object detection apparatus and method, and wireless charging transmit-end device28 Dec 2023US 2023/0417945 A1Huawei Technologies Co., Ltd.
- High performance inductive sensing all digital phase locked loop15 Jun 2023US 2023/0188135 A1Cypress Semiconductor Corporation
Most cited
By later US patents
- Methods and apparatus employing apparent resonant properties of thin conducting materials80US 4,678,994 ADigital Products Corporation · 1987
- Adaptive multichannel locator system for multiple proximity detection73US 7,741,848 B1SeekTech, Inc. · 2010
- Electronic anatomical probe54US 4,526,177 A1985
- Oscillator type metal detector with switch controlled fixed biasing49US 4,323,847 ATriple Dee Electronics Inc. · 1982
- Digital eddy current apparatus for sensing and analyzing metallurgical characteristics of an electrically conductive material48US 4,059,795 ASensor Corporation · 1977