G01L 1/241
By photoelastic stress analysis
Official title: {by photoelastic stress analysis}
G01L1/241 (By photoelastic stress analysis) appears on 196 US grants and 156 published applications in this corpus.
Search patents in G01L- Granted patents
- 196
- Published applications
- 156
- Assignees
- 160
- Inventors
- 479
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 7 | 0 |
| 1986 | 2 | 0 |
| 1987 | 8 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 5 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 1 |
| 2003 | 2 | 2 |
| 2004 | 3 | 2 |
| 2005 | 2 | 1 |
| 2006 | 2 | 5 |
| 2007 | 1 | 3 |
| 2008 | 4 | 2 |
| 2009 | 4 | 6 |
| 2010 | 3 | 4 |
| 2011 | 5 | 1 |
| 2012 | 1 | 3 |
| 2013 | 2 | 5 |
| 2014 | 10 | 4 |
| 2015 | 6 | 9 |
| 2016 | 6 | 9 |
| 2017 | 3 | 8 |
| 2018 | 13 | 15 |
| 2019 | 10 | 9 |
| 2020 | 7 | 8 |
| 2021 | 11 | 13 |
| 2022 | 5 | 9 |
| 2023 | 10 | 12 |
| 2024 | 6 | 9 |
| 2025 | 13 | 10 |
| 2026 | 4 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method of producing stress-luminescent material, method of producing stress-luminescent body, strain measurement method, stress-luminescent body, stress-luminescent coating material, and device for producing stress-luminescent body9 Jun 2026US 12,650,384 B2Shimadzu Corporation
- Nanosensor for force sensing, and associated methods26 May 2026US 12,638,347 B2The Regents of the University of Colorado
- Hybrid systems and methods for characterizing stress in chemically strengthened transparent substrates21 Apr 2026US 12,607,560 B2Corning Incorporated
- Sensor arrangement for sensing forces and methods for fabricating a sensor arrangement and parts thereof17 Mar 2026US 12,578,242 B2Max-Planck-Gesellschaft Zur FöRderung Der Wissenschaften E. V.
- Retrographic sensors with fluorescent illumination25 Nov 2025US 12,480,826 B2Massachusetts Institute of Technology
- Gravity responsive wobble particle and methods of use24 Sep 2026US 2026/0287884 A1Diametryx Inc.
- Stress and strain detection across a substrate of a semiconductor system using a photoelastic material6 Aug 2026US 2026/0227253 A1Micron Technology, Inc.
- Orientational color-based deformation sensor and systems and methods using the same23 Jul 2026US 2026/0210700 A1Toyota Jidosha Kabushiki Kaisha
- Image processing apparatus, image processing method, and image processing program16 Jul 2026US 2026/0203948 A1FUJIFILM Corporation
- Multi-axial multi-modal optical tactile sensor19 Mar 2026US 2026/0079031 A1SmartHap LLC
Most cited
By later US patents
- Systems and methods for measuring a profile characteristic of a glass sample187US 8,854,623 B2Corning Incorporated · 2014
- Variable coupler fiberoptic sensor143US 4,634,858 ASperry Corporation · 1987
- Polariscope and filter therefor88US 4,286,843 A1981
- Simultaneous measurement of temperature and strain using optical sensors55US 6,056,436 AUniversity of Maryland · 2000
- Fiber optic Fabry-Perot sensor for measuring absolute strain52US 6,173,091 B2Northrop Grumman Corporation · 2001