Method and device for measuring r-value of tube in circumferential direction
US-12352565-B2 · Jul 8, 2025 · US
Ring or other apertured gauges, e.g. "go/no-go" gauge
Ring or other apertured gauges, e.g. "go/no-go" gauge · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01B3/34 |
| Official title | Ring or other apertured gauges, e.g. "go/no-go" gauge |
| Display label | Ring or other apertured gauges, e.g. "go/no-go" gauge |
| Total patents | 30 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 5 |
| 2020 | 2 |
| 2021 | 1 |
| 2022 | 7 |
| 2023 | 3 |
| 2024 | 5 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Measurement tool with keyed fingers
US-2024377177-A1 · Nov 14, 2024 · US
Ring sizing device
US-2024353212-A1 · Oct 24, 2024 · US
METHOD AND DEVICE FOR MEASURING r-VALUE OF TUBE IN CIRCUMFERENTIAL DIRECTION
US-2024068793-A1 · Feb 29, 2024 · US
Checking and angle-of-attack sensor vane assembly
US-11906541-B2 · Feb 20, 2024 · US
Sprocket wear gauge
US-11892284-B2 · Feb 6, 2024 · US
Eddie-bolt inspection tool
US-11845569-B2 · Dec 19, 2023 · US
Measurement device
US-2023134249-A1 · May 4, 2023 · US
Cable bend radius gauge
US-11638946-B2 · May 2, 2023 · US
Sprocket wear gauge
US-2022268563-A1 · Aug 25, 2022 · US
Cable bend radius gauge
US-2022161305-A1 · May 26, 2022 · US
Receptacle latching mechanism incorporating a go-gauge
US-11313160-B1 · Apr 26, 2022 · US
Eddie-Bolt Inspection Tool
US-2022089296-A1 · Mar 24, 2022 · US
Cable diameter and bend radius quick measuring tool
US-11274911-B1 · Mar 15, 2022 · US
Cable diameter and bend radius quick measuring tool
US-2022074726-A1 · Mar 10, 2022 · US
Roll fed material measurement device
US-11248898-B2 · Feb 15, 2022 · US
Roundness measuring device
US-11041707-B2 · Jun 22, 2021 · US
Checking and angle-of-attack sensor vane assembly
US-2020386783-A1 · Dec 10, 2020 · US
Brush gauge and related methods
US-2020367636-A1 · Nov 26, 2020 · US
Surgical tool for tissue sizing and transection
US-10441304-B2 · Oct 15, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01B3/34?
- CPC G01B3/34 is the Cooperative Patent Classification code for “Ring or other apertured gauges, e.g. "go/no-go" gauge.”
- How many patents are filed under CPC G01B3/34 (Ring or other apertured gauges, e.g. "go/no-go" gauge)?
- Our database includes 30 publications tagged with this CPC code.
- Is patent activity under CPC G01B3/34 growing?
- Publication counts under this code: 5 in 2024 vs 1 in 2025 (latest complete years).