G01N 29/44
Processing the detected response signal
Official title: Processing the detected response signal {, e.g. electronic circuits specially adapted therefor (digital signal processing per se G06F17/00)}
G01N29/44 (Processing the detected response signal) appears on 3,308 US grants and 3,582 published applications in this corpus.
Search patents in G01N- Granted patents
- 3,308
- Published applications
- 3,582
- Assignees
- 1,815
- Inventors
- 7,938
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 9 | 0 |
| 1978 | 11 | 0 |
| 1979 | 11 | 0 |
| 1980 | 14 | 0 |
| 1981 | 17 | 0 |
| 1982 | 5 | 0 |
| 1983 | 7 | 0 |
| 1984 | 20 | 0 |
| 1985 | 14 | 0 |
| 1986 | 12 | 0 |
| 1987 | 15 | 0 |
| 1988 | 8 | 0 |
| 1989 | 13 | 0 |
| 1990 | 18 | 0 |
| 1991 | 11 | 0 |
| 1992 | 18 | 0 |
| 1993 | 10 | 0 |
| 1994 | 17 | 0 |
| 1995 | 17 | 0 |
| 1996 | 15 | 0 |
| 1997 | 37 | 0 |
| 1998 | 28 | 0 |
| 1999 | 37 | 0 |
| 2000 | 45 | 0 |
| 2001 | 48 | 10 |
| 2002 | 75 | 53 |
| 2003 | 63 | 76 |
| 2004 | 70 | 72 |
| 2005 | 45 | 75 |
| 2006 | 61 | 65 |
| 2007 | 49 | 89 |
| 2008 | 51 | 88 |
| 2009 | 63 | 90 |
| 2010 | 58 | 68 |
| 2011 | 71 | 104 |
| 2012 | 65 | 85 |
| 2013 | 62 | 90 |
| 2014 | 82 | 136 |
| 2015 | 75 | 142 |
| 2016 | 88 | 151 |
| 2017 | 114 | 198 |
| 2018 | 136 | 238 |
| 2019 | 231 | 251 |
| 2020 | 228 | 246 |
| 2021 | 188 | 249 |
| 2022 | 222 | 269 |
| 2023 | 211 | 247 |
| 2024 | 224 | 199 |
| 2025 | 194 | 183 |
| 2026 | 114 | 108 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G01N 29/4409By comparison1,278
- G01N 29/46By spectral analysis1,034
- G01N 29/4472Mathematical theories or simulation376
- G01N 29/4454Signal recognition338
- G01N 29/4463Signal correction291
- G01N 29/4445Classification of defects267
- G01N 29/449Statistical methods not provided for in g01n29/4409262
- G01N 29/48By amplitude comparison257
Recent patents
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- A guided wave and genetic algorithm-based inversion process for the automatic characterization of pile foundations8 Oct 2026US 2026/0309676 A1Ecole Polytechnique de Montreal
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- Ultrasound imaging debris filter system and methods8 Oct 2026US 2026/0309680 A1Ulthera, Inc.
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Most cited
By later US patents
- Configurable vibration sensor870US 7,093,492 B2Mechworks Systems Inc. · 2006
- Machine fault diagnostics system and method466US 5,566,092 ACaterpillar Inc. · 1996
- Temperature estimation and tissue detection of an ultrasonic dissector from frequency response monitoring361US 10,677,764 B2Covidien LP · 2020
- Concurrent ultrasonic weld evaluation system357US 4,712,722 AEG&G, Inc. · 1987
- Method and apparatus for material analysis267US 5,348,002 ASirraya, Inc. · 1994