G01B 17/025
For measuring thickness of coating
Official title: {for measuring thickness of coating}
G01B17/025 (For measuring thickness of coating) appears on 173 US grants and 137 published applications in this corpus.
Search patents in G01B- Granted patents
- 173
- Published applications
- 137
- Assignees
- 123
- Inventors
- 397
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 8 | 0 |
| 2001 | 2 | 1 |
| 2002 | 5 | 4 |
| 2003 | 2 | 1 |
| 2004 | 1 | 6 |
| 2005 | 2 | 2 |
| 2006 | 2 | 2 |
| 2007 | 2 | 3 |
| 2008 | 3 | 3 |
| 2009 | 1 | 2 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 2 |
| 2013 | 2 | 2 |
| 2014 | 4 | 3 |
| 2015 | 0 | 3 |
| 2016 | 1 | 6 |
| 2017 | 5 | 4 |
| 2018 | 5 | 24 |
| 2019 | 7 | 5 |
| 2020 | 13 | 20 |
| 2021 | 12 | 7 |
| 2022 | 14 | 3 |
| 2023 | 17 | 12 |
| 2024 | 5 | 9 |
| 2025 | 6 | 7 |
| 2026 | 9 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Optical measurement device for inspection of discontinuities in aerostructures29 Sep 2026US 12,748,052 B2Spirit AeroSystems, Inc.
- Inspection device and inspection method1 Sep 2026US 12,723,974 B2Subaru Corporation
- Magnetism alignment apparatus for negative electrodes and method for manufacturing negative electrodes using same14 Jul 2026US 12,683,051 B2LG Energy Solution, 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
- Apparatus for ultrasonically measuring thin film thickness with retroreflector and method thereof21 Apr 2026US 12,607,461 B2Center for Advanced Meta-Materials
- Method and system for measuring lubrication film thickness of sliding nearing based on ultrasonic proportional coefficient3 Sep 2026US 2026/0259047 A1Xi' An Jiaotong University
- Sensor module and measurement system3 Sep 2026US 2026/0259048 A1Nihon Dempa Kogyo Co., Ltd.
- Ultrasonic method and system for simultaneously measuring coating and lubrication film thicknesses30 Apr 2026US 2026/0118118 A1Xi' An Jiaotong University
- Low frequency pulse ultrasonic system and method for non-intrusive evaluation of multi-layered industrial structures23 Apr 2026US 2026/0110666 A1Hatch Ltd.
- Systems, methods, and apparatus for providing interactive inspection map for inspection robot12 Mar 2026US 2026/0070223 A1Gecko Robotics, Inc.
Most cited
By later US patents
- Acoustical method and system for detecting and controlling chemical-mechanical polishing (CMP) depths into layers of conductors, semiconductors, and dielectric materials179US 5,222,329 AMicron Technology, Inc. · 1993
- Thin film process monitoring techniques using acoustic waves140US 5,271,274 AThe Board of Trustees of the Leland Stanford Junior University · 1993
- Ultrasonic multilayer paint thickness measurement120US 5,038,615 AGeneral Motors Corporation · 1991
- Method and apparatus for measuring the thickness of a coated material100US 6,035,717 AKrautkramer-Branson, Incorporated · 2000
- Method and apparatus for measuring thickness of layer using acoustic waves88US 5,663,502 AHitachi, Ltd. · 1997