G01B 11/18
Using photoelastic elements
Official title: {using photoelastic elements}
G01B11/18 (Using photoelastic elements) appears on 534 US grants and 508 published applications in this corpus.
Search patents in G01B- Granted patents
- 534
- Published applications
- 508
- Assignees
- 358
- Inventors
- 1,276
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 5 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 6 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 5 | 0 |
| 1991 | 9 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 9 | 0 |
| 1997 | 9 | 0 |
| 1998 | 7 | 0 |
| 1999 | 11 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 2 |
| 2002 | 5 | 6 |
| 2003 | 11 | 9 |
| 2004 | 7 | 10 |
| 2005 | 5 | 8 |
| 2006 | 9 | 15 |
| 2007 | 10 | 15 |
| 2008 | 9 | 8 |
| 2009 | 9 | 13 |
| 2010 | 8 | 20 |
| 2011 | 11 | 26 |
| 2012 | 10 | 17 |
| 2013 | 18 | 15 |
| 2014 | 16 | 20 |
| 2015 | 15 | 22 |
| 2016 | 18 | 35 |
| 2017 | 28 | 29 |
| 2018 | 23 | 33 |
| 2019 | 42 | 31 |
| 2020 | 33 | 33 |
| 2021 | 30 | 30 |
| 2022 | 22 | 29 |
| 2023 | 21 | 31 |
| 2024 | 31 | 29 |
| 2025 | 21 | 16 |
| 2026 | 16 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Optical communication device and operation method thereof6 Oct 2026US 12,754,012 B2Nanning FuLian FuGui Precision Industrial Co., Ltd.
- Transducers including laser etched substrates29 Sep 2026US 12,751,228 B2Baker Hughes Oilfield Operations LLC
- Shape measurement system and shape measurement method25 Aug 2026US 12,716,712 B2NTT, Inc.
- Method of and system for representing shape of an optical fiber sensor9 Jun 2026US 12,650,297 B2Koninklijke Philips N. V.
- Optical fiber-embedded PC steel strand, strain measurement device, and production method for optical fiber-embedded pc steel strand9 Jun 2026US 12,650,351 B2Sumitomo Electric Industries, Ltd.
- Device for measuring a physical quantity13 Aug 2026US 2026/0235421 A1Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Elongation and heat indicating synthetic fiber rope11 Jun 2026US 2026/0160019 A1Hampidjan hf
- Apparatus and method for monitoring three-dimensional strain in landslide slip zone14 May 2026US 2026/0133027 A1China University of Geosciences (Wuhan)
- Optical Communication Device and Operation Method thereof7 May 2026US 2026/0126285 A1Nanning FuLian FuGui Precision Industial Co., Ltd.
- Fiber bragg grating curvature sensing test device and test method thereof19 Mar 2026US 2026/0079003 A1China University of Mining and Technology
Most cited
By later US patents
- Laser-ultrasound spectroscopy apparatus and method with detection of shear resonances for measuring anisotropy, thickness, and other properties218US 6,057,927 AAmerican Iron and Steel Institute · 2000
- Method and apparatus for determining the shape of a flexible body215US 6,256,090 B1University of Maryland · 2001
- Fiber optic strain sensor213US 4,295,738 AUnited Technologies Corporation · 1981
- Apparatus and method for measuring strain in bragg gratings204US 5,798,521 AThe United States of America as represented by the Administrator of the National Aeronautics and Space Administration · 1998
- Probe position sensing system and method of employment of same142US 6,471,710 B1Advanced Sensor Technology Limited · 2002