G01N 3/26
Investigating twisting or coiling properties
G01N3/26 (Investigating twisting or coiling properties) appears on 41 US grants and 34 published applications in this corpus.
Search patents in G01N- Granted patents
- 41
- Published applications
- 34
- Assignees
- 30
- Inventors
- 116
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 2 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 1 | 3 |
| 2017 | 2 | 3 |
| 2018 | 2 | 0 |
| 2019 | 4 | 4 |
| 2020 | 5 | 5 |
| 2021 | 3 | 1 |
| 2022 | 1 | 5 |
| 2023 | 2 | 1 |
| 2024 | 4 | 3 |
| 2025 | 2 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Apparatus and method for measuring dynamic torque for determining frequency-dependent shear in viscoelastic materials25 Aug 2026US 12,716,822 B2The Penn State Research Foundation
- Racquet configured with increased flexibility in multiple directions with respect to a longitudinal axis16 Sep 2025US 12,415,115 B2Wilson Sporting Goods Co.
- Dynamic friction experimental device and method for testing dynamic mechanical property of material9 Sep 2025US 12,411,066 B2Tianjin University
- Test apparatus for flexible screen13 Aug 2024US 12,061,176 B2KunShan Go-Visionox Opto-Electronics Co., Ltd
- Device for evaluating torsional structural performance of girder18 Jun 2024US 12,013,315 B2Kongju National University Industry-University Cooperation Foundation
- Apparatus and method for measuring dynamic torque for determining frequency-dependent shear in viscoelastic materials24 Sep 2026US 2026/0287484 A1The Penn State Research Foundation
- Racquet configured with increased flexibility in multiple directions with respect to a longitudinal axis15 Aug 2024US 2024/0269522 A1Wilson Sporting Goods Co.
- Apparatus and method for measuring dynamic torque for determining frequency-dependent shear in viscoelastic materials30 May 2024US 2024/0175794 A1The Penn State Research Foundation
- Material test systems for generating static and dynamic diagnostic information16 May 2024US 2024/0159633 A1Illinois Tool Works Inc.
- Dynamic friction experimental device and method for testing dynamic mechanical property of material9 Nov 2023US 2023/0358655 A1Tianjin University
Most cited
By later US patents
- Method and apparatus for proof testing a sheet of brittle material71US 7,461,564 B2Corning Incorporated · 2008
- System and method for measuring and controlling rotation of coiled tubing30US 6,321,596 B1Ctes, L.C. · 2001
- Shear stiffness tester22US 4,958,522 AAmcor Limited · 1990
- Method and apparatus for testing coiled materials8US 5,515,294 AL&P Property Management Company · 1996
- Racquet configured with increased flexibility in multiple directions with respect to a longitudinal axis7US 10,646,753 B2Wilson Sporting Goods Co. · 2020