G01N 21/952
Inspecting the exterior surface of cylindrical bodies or wires
Official title: Inspecting the exterior surface of cylindrical bodies or wires (G01N21/956 takes precedence)
G01N21/952 (Inspecting the exterior surface of cylindrical bodies or wires) appears on 564 US grants and 572 published applications in this corpus.
Search patents in G01N- Granted patents
- 564
- Published applications
- 572
- Assignees
- 449
- Inventors
- 1,505
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 8 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 6 | 0 |
| 1992 | 5 | 0 |
| 1993 | 5 | 0 |
| 1994 | 7 | 0 |
| 1995 | 14 | 0 |
| 1996 | 6 | 0 |
| 1997 | 8 | 0 |
| 1998 | 2 | 0 |
| 1999 | 9 | 0 |
| 2000 | 7 | 0 |
| 2001 | 9 | 4 |
| 2002 | 4 | 3 |
| 2003 | 9 | 3 |
| 2004 | 4 | 15 |
| 2005 | 13 | 15 |
| 2006 | 10 | 14 |
| 2007 | 8 | 21 |
| 2008 | 7 | 10 |
| 2009 | 11 | 11 |
| 2010 | 12 | 18 |
| 2011 | 5 | 11 |
| 2012 | 13 | 12 |
| 2013 | 12 | 18 |
| 2014 | 9 | 20 |
| 2015 | 20 | 24 |
| 2016 | 26 | 31 |
| 2017 | 21 | 32 |
| 2018 | 28 | 38 |
| 2019 | 25 | 27 |
| 2020 | 42 | 39 |
| 2021 | 24 | 34 |
| 2022 | 27 | 32 |
| 2023 | 26 | 32 |
| 2024 | 33 | 36 |
| 2025 | 27 | 40 |
| 2026 | 24 | 32 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Apparatus for detecting surface defects in objects1 Sep 2026US 12,723,992 B2Utpvision S.R.L.
- Assessment of utility components using airborne remote sensing1 Sep 2026US 12,723,993 B2Florida Power & Light Company
- Method for checking and verifying the correct stripping process of the insulating layer in predefined sections of a conducting wire covered by a layer of dielectric material, and related assembly for checking and verifying25 Aug 2026US 12,718,355 B2ATOP S.p.A.
- Testing tubular members21 Jul 2026US 12,687,501 B2Saudi Arabian Oil Company
- Attenuating an inspection device that inspects transparent or translucent cylindrical body14 Jul 2026US 12,680,965 B2Ckd Corporation
- Systems and methods for rope evaluation8 Oct 2026US 2026/0309639 A1Scope Computer Vision Technologies Corp
- End-face observation device for optical fiber and method of observing end face of optical fiber27 Aug 2026US 2026/0251529 A1Sumitomo Electric Industries, Ltd.
- Visual Inspection Method for Crimping Quality of Automotive Wiring Harnesses27 Aug 2026US 2026/0253198 A1Hubei University of Arts and Science
- Pole inspection device and inspection method20 Aug 2026US 2026/0243696 A1Contemporary Amperex Technology Co., Limited
- Apparatus and method for determining a condition of a solid object, vehicle, mobile device and method for training a machine-learning model13 Aug 2026US 2026/0237041 A1Sony Group Corporation
Most cited
By later US patents
- Methods of detecting, classifying and quantifying defects in optical fiber end faces106US 5,179,419 AAT&T Bell Laboratories · 1993
- Method and apparatus for detecting foreign matter within a layer of tabacco82US 5,476,108 AR. J. Reynolds Tobacco Company · 1995
- Apparatus and method for inspecting end faces of optical fibers and optical fiber connectors79US 5,459,564 A1995
- Electro-optical sensor systems for thread and hole inspection70US 4,315,688 ADiffracto Ltd. · 1982
- Apparatus for inspecting an externally threaded surface of an object70US 4,644,394 A1987