G01L 1/183
By measuring variations of frequency of vibrating piezo-resistive material
Official title: {by measuring variations of frequency of vibrating piezo-resistive material}
G01L1/183 (By measuring variations of frequency of vibrating piezo-resistive material) appears on 89 US grants and 63 published applications in this corpus.
Search patents in G01L- Granted patents
- 89
- Published applications
- 63
- Assignees
- 74
- Inventors
- 212
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 7 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 1 |
| 2002 | 3 | 1 |
| 2003 | 3 | 2 |
| 2004 | 1 | 1 |
| 2005 | 1 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 2 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 2 |
| 2012 | 1 | 3 |
| 2013 | 1 | 1 |
| 2014 | 1 | 1 |
| 2015 | 1 | 1 |
| 2016 | 2 | 3 |
| 2017 | 2 | 2 |
| 2018 | 1 | 1 |
| 2019 | 2 | 6 |
| 2020 | 1 | 9 |
| 2021 | 8 | 8 |
| 2022 | 9 | 7 |
| 2023 | 5 | 6 |
| 2024 | 7 | 2 |
| 2025 | 3 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Sensor for multifunctional sensing29 Sep 2026US 12,748,000 B2Case Western Reserve University
- Miniature graphene aerogel device and preparation method thereof24 Jun 2025US 12,339,181 B2Zhejiang University
- Device and method for estimating a load in a bearing having high frequent oscillations15 Apr 2025US 12,276,492 B2Aktiebolaget Skf
- Microelectromechanical mirror device with piezoelectric actuation and piezoresistive sensing having self-calibration properties4 Mar 2025US 12,242,051 B2STMicroelectronics S,r.l.
- Highly sensitive resonant force sensor with a test body and at least one resonant element decoupled and each disposed in a suitable environment22 Oct 2024US 12,123,792 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Solid state sensor10 Jul 2025US 2025/0221629 A1
- Classifying a surface type using force sensor data19 Dec 2024US 2024/0420027 A1Morphix, Inc.
- Sensor for multifunctional sensing12 Sep 2024US 2024/0302228 A1Case Western Reserve University
- Multifunction magnetic and piezoresistive mems pressure sensor15 Jun 2023US 2023/0189654 A1Apple Inc.
- Device and method for estimating a load in a bearing13 Apr 2023US 2023/0116813 A1Aktiebolaget Skf
Most cited
By later US patents
- Polysilicon resonating beam transducers106US 5,090,254 AWisconsin Alumni Research Foundation · 1992
- Polysilicon resonating beam transducers and method of producing the same105US 5,188,983 AWisconsin Alumni Research Foundation · 1993
- Dielectrically isolated resonant microsensors83US 5,417,115 AHoneywell Inc. · 1995
- Resonant mechanical sensor79US 5,165,289 AJohnson Service Company · 1992
- Vibratory transducer71US 4,841,775 AYokogawa Electric Corporation · 1989