Method and apparatus for inner diameter measurement of transparent tube
US-10458779-B2 · Oct 29, 2019 · US
internal diameters
internal diameters · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01B11/12 |
| Official title | internal diameters |
| Display label | internal diameters |
| Total patents | 140 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 17 |
| 2016 | 12 |
| 2017 | 13 |
| 2018 | 12 |
| 2019 | 12 |
| 2020 | 17 |
| 2021 | 13 |
| 2022 | 11 |
| 2023 | 15 |
| 2024 | 6 |
| 2025 | 9 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
System and methods to radially orient extruded tubing for vehicle body component
US-2019314882-A1 · Oct 17, 2019 · US
Method and apparatus for inner diameter measurement of transparent tube
US-2019271535-A1 · Sep 5, 2019 · US
System, method and apparatus for locating the position of a component for use in a manufacturing operation
US-10354371-B2 · Jul 16, 2019 · US
Inner Circumferential Length Measuring Device for Circular Member
US-2019154433-A1 · May 23, 2019 · US
Device for monitoring thickness of wheel valve hole on line
US-10234275-B1 · Mar 19, 2019 · US
Surface texture measuring apparatus and method
US-10161747-B2 · Dec 25, 2018 · US
Optical measurement of opening dimensions in a wafer
US-10157457-B2 · Dec 18, 2018 · US
System and method for diffuser hole inspection
US-2018328716-A1 · Nov 15, 2018 · US
System and method for diffuser hole inspection
US-10126117-B1 · Nov 13, 2018 · US
Internal diameter measuring method for transparent tube
US-10060727-B2 · Aug 28, 2018 · US
Porosity measurement of semiconductor structures
US-10041873-B2 · Aug 7, 2018 · US
Inspection of drilled features in objects
US-2018154491-A1 · Jun 7, 2018 · US
System and method for contactless measurement of circular geometrical parameters of turbine engine components
US-2018106603-A1 · Apr 19, 2018 · US
System, method and apparatus for locating the position of a component for use in a manufacturing operation
US-2018101943-A1 · Apr 12, 2018 · US
Method and apparatus for imaging the inner contour of a tube
US-2018059401-A1 · Mar 1, 2018 · US
Bore imaging system
US-9880108-B2 · Jan 30, 2018 · US
Method and system for measuring geometric parameters of through holes
US-2018003477-A1 · Jan 4, 2018 · US
Optical measuring probe and method for optically measuring inner diameters
US-9841273-B2 · Dec 12, 2017 · US
Porosity Measurement Of Semiconductor Structures
US-2017315044-A1 · Nov 2, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01B11/12?
- CPC G01B11/12 is the Cooperative Patent Classification code for “internal diameters.”
- How many patents are filed under CPC G01B11/12 (internal diameters)?
- Our database includes 140 publications tagged with this CPC code.
- Is patent activity under CPC G01B11/12 growing?
- Publication counts under this code: 6 in 2024 vs 9 in 2025 (latest complete years).