G01N 2291/02491
Materials with nonlinear acoustic properties
G01N2291/02491 (Materials with nonlinear acoustic properties) appears on 192 US grants and 113 published applications in this corpus.
Search patents in G01N- Granted patents
- 192
- Published applications
- 113
- Assignees
- 131
- Inventors
- 426
- Latest grant
- 11 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 7 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 4 | 0 |
| 1987 | 5 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 8 | 0 |
| 1998 | 6 | 0 |
| 1999 | 8 | 0 |
| 2000 | 7 | 0 |
| 2001 | 8 | 1 |
| 2002 | 7 | 3 |
| 2003 | 2 | 3 |
| 2004 | 3 | 7 |
| 2005 | 2 | 9 |
| 2006 | 10 | 7 |
| 2007 | 8 | 11 |
| 2008 | 4 | 7 |
| 2009 | 8 | 6 |
| 2010 | 5 | 2 |
| 2011 | 6 | 6 |
| 2012 | 1 | 2 |
| 2013 | 4 | 3 |
| 2014 | 3 | 7 |
| 2015 | 1 | 5 |
| 2016 | 4 | 5 |
| 2017 | 6 | 3 |
| 2018 | 4 | 7 |
| 2019 | 6 | 4 |
| 2020 | 8 | 3 |
| 2021 | 2 | 3 |
| 2022 | 1 | 2 |
| 2023 | 2 | 3 |
| 2024 | 6 | 3 |
| 2025 | 2 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for monitoring tissue sample processing11 Nov 2025US 12,467,835 B2Ventana Medical Systems, Inc.
- Method and system for non-invasively characterizing a heterogeneous medium using ultrasound25 Mar 2025US 12,257,103 B2Centre National de la Recherche Scientifique (CNRS)
- Systems and methods for modeling substance characteristics29 Oct 2024US 12,130,260 B2Chevron U.S.A.Inc.
- Measuring arrangement and method for determining properties of a material to be extruded while a screw-extrusion process is being carried out2 Jul 2024US 12,025,585 B2Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.
- Systems and methods for monitoring tissue sample processing16 Apr 2024US 11,959,840 B2Ventana Medical System, Inc.
- Method of non-linear non-destructive testing of a testpiece27 Aug 2026US 2026/0251619 A1
- Method and device for detecting a defect using ultrasound21 Nov 2024US 2024/0385141 A1
- Systems and methods for monitoring tissue sample processing25 Jul 2024US 2024/0248012 A1Ventana Medical Systems, Inc.
- Method and system for non-invasively characterising a heterogeneous medium using ultrasound1 Feb 2024US 2024/0032889 A1Centre National de la Recherche Scientifique (CNRS)
- A detection method of nonlinear ultrasonic guided wave with carrier modulation6 Apr 2023US 2023/0107987 A1South China University of Technology
Most cited
By later US patents
- Speech coding, reconstruction and recognition using acoustics and electromagnetic waves420US 5,729,694 AThe Regents of the University of California · 1998
- Ultrasonic irradiation system351US 4,865,042 AHitachi, Ltd. · 1989
- Method and apparatus for elasticity imaging using remotely induced shear wave263US 5,810,731 AArtann Laboratories, Inc. · 1998
- Methods and apparatus for non-acoustic speech characterization and recognition225US 6,006,175 AThe Regents of the University of California · 1999
- Method and device for shear wave elasticity imaging220US 5,606,971 AArtann Corporation, a NJ Corp. · 1997