G01H 3/08
Analysing frequencies present in complex vibrations
Official title: Analysing frequencies present in complex vibrations, e.g. comparing harmonics present {(acoustic presence detection G01V1/001)}
G01H3/08 (Analysing frequencies present in complex vibrations) appears on 171 US grants and 158 published applications in this corpus.
Search patents in G01H- Granted patents
- 171
- Published applications
- 158
- Assignees
- 174
- Inventors
- 513
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
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| 1976 | 2 | 0 |
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| 1979 | 3 | 0 |
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| 1999 | 3 | 0 |
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| 2001 | 5 | 0 |
| 2002 | 1 | 4 |
| 2003 | 4 | 2 |
| 2004 | 3 | 4 |
| 2005 | 3 | 2 |
| 2006 | 1 | 3 |
| 2007 | 2 | 1 |
| 2008 | 1 | 6 |
| 2009 | 4 | 7 |
| 2010 | 1 | 4 |
| 2011 | 2 | 5 |
| 2012 | 6 | 3 |
| 2013 | 2 | 2 |
| 2014 | 1 | 5 |
| 2015 | 3 | 3 |
| 2016 | 2 | 1 |
| 2017 | 2 | 7 |
| 2018 | 7 | 7 |
| 2019 | 5 | 10 |
| 2020 | 12 | 13 |
| 2021 | 10 | 9 |
| 2022 | 8 | 8 |
| 2023 | 9 | 23 |
| 2024 | 7 | 14 |
| 2025 | 13 | 7 |
| 2026 | 7 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Acoustic signature recognition and identification1,088US 6,173,074 B2Lucent Technologies Inc. · 2001
- Acoustic signature analysis for a noisy enviroment1,038US 5,804,726 AMTD Products Inc · 1998
- System and method of mechanical fault detection based on signature detection1,022US 9,091,588 B2Prognost Systems GmbH · 2015
- Microelectromechanics-based frequency signature sensor89US 5,856,722 ACornell Research Foundation, Inc. · 1999
- Piezoelectrically tunable resonance frequency beam utilizing a stress-sensitive film75US 6,336,366 B12002