G01N 2291/0231
Composite or layered materials
G01N2291/0231 (Composite or layered materials) appears on 746 US grants and 696 published applications in this corpus.
Search patents in G01N- Granted patents
- 746
- Published applications
- 696
- Assignees
- 396
- Inventors
- 1,562
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 5 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 7 | 0 |
| 1993 | 4 | 0 |
| 1994 | 7 | 0 |
| 1995 | 5 | 0 |
| 1996 | 13 | 0 |
| 1997 | 11 | 0 |
| 1998 | 7 | 0 |
| 1999 | 14 | 0 |
| 2000 | 14 | 0 |
| 2001 | 11 | 0 |
| 2002 | 17 | 15 |
| 2003 | 17 | 18 |
| 2004 | 15 | 23 |
| 2005 | 19 | 18 |
| 2006 | 13 | 17 |
| 2007 | 10 | 22 |
| 2008 | 16 | 20 |
| 2009 | 18 | 17 |
| 2010 | 14 | 13 |
| 2011 | 8 | 16 |
| 2012 | 17 | 9 |
| 2013 | 17 | 24 |
| 2014 | 14 | 22 |
| 2015 | 22 | 25 |
| 2016 | 23 | 33 |
| 2017 | 23 | 35 |
| 2018 | 38 | 49 |
| 2019 | 39 | 46 |
| 2020 | 53 | 51 |
| 2021 | 40 | 53 |
| 2022 | 43 | 45 |
| 2023 | 46 | 48 |
| 2024 | 44 | 36 |
| 2025 | 36 | 26 |
| 2026 | 20 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Flexible capacitive micromachined ultrasonic transducer arrays25 Aug 2026US 12,714,404 B2The University of British Columbia
- Hammer activated measurement system for testing and evaluating rubber and other materials7 Jul 2026US 12,674,743 B1The United States of America as represented by the Secretary of the Navy
- Ultrasonic inspection of joined portions of packaging containers7 Jul 2026US 12,674,779 B2Yamaha Fine Technologies Co., Ltd.
- Non-destructive estimation of coating layer thickness based on sweep frequency photo acoustic guided wave technique30 Jun 2026US 12,669,324 B2Tata Consultancy Services Limited
- Efficient ultrasonic phased array phase shift migration imaging method for defects in multi-layer structure30 Jun 2026US 12,669,478 B2Zhejiang University
- Transformer stacked iron core elasticity matrix determination method and vibration analysis method, and non-transitory computer readable medium8 Oct 2026US 2026/0309681 A1Jfe Steel Corporation
- Inspection apparatus, inspection method, and method for manufacturing semiconductor device17 Sep 2026US 2026/0276597 A1Kioxia Corporation
- Acoustic Inspection Method and Apparatus Therefor10 Sep 2026US 2026/0266769 A1ICR Integrity Ltd
- Method and system for evaluating strength and fatique of a fiber reinforce structure3 Sep 2026US 2026/0259177 A1Fca US LLC
- Determining an Aging State of a Contacting Layer of a Semiconductor Component and Semiconductor Assembly20 Aug 2026US 2026/0243730 A1Siemens Aktiengesellschaft
Most cited
By later US patents
- Computer integrated manufacturing system233US 4,827,423 AR. J. Reynolds Tobacco Company · 1989
- Apparatus and method for performing non-destructive inspections of large area aircraft structures201US 6,220,099 B1CE Nuclear Power LLC · 2001
- Thin film process monitoring techniques using acoustic waves140US 5,271,274 AThe Board of Trustees of the Leland Stanford Junior University · 1993
- Diagnostic layer and methods for detecting structural integrity of composite and metallic materials121US 6,370,964 B1The Board of Trustees of the Leland Stanford Junior University · 2002
- Method and system for detecting material using piezoelectric resonators113US 5,932,953 AIowa State University Research Foundation, Inc. · 1999