- All sections
- G - Physics
- G01B - Measuring length, thickness or similar linear dimensionsmeasuring anglesmeasuring areasmeasuring irregularities of surfaces or contours
- G01B 5/12 - Measuring arrangements characterised by the use of mechanical techniques for measuring diameters internal diameters
Patent holdings for IPC class G01B 5/12
Total number of patents in this class: 153
10-year publication summary
|
10
|
16
|
10
|
9
|
21
|
12
|
4
|
8
|
8
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitutoyo Corporation | 1250 |
12 |
| The Boeing Company | 20031 |
8 |
| IHI Corporation | 3414 |
7 |
| Marposs, S.p.A. | 136 |
6 |
| CITIC Dicastal CO., LTD | 558 |
5 |
| Saudi Arabian Oil Company | 12947 |
5 |
| Mitsubishi Heavy Industries, Ltd. | 8685 |
4 |
| DMG MORI Co., Ltd. | 858 |
4 |
| Schlumberger Technology Corporation | 10662 |
3 |
| Halliburton Energy Services, Inc. | 20835 |
3 |
| Dorsey Metrology International | 6 |
3 |
| Buhler Inc. | 11 |
2 |
| China University of Mining and Technology | 1247 |
2 |
| Expro North Sea Limited | 230 |
2 |
| Liqui-force Sewer Services, Inc. | 8 |
2 |
| Renishaw plc | 763 |
2 |
| Safran Aircraft Engines | 6265 |
2 |
| Vallourec Oil and Gas France | 453 |
2 |
| READ Cased Hole Limited | 4 |
2 |
| Mewbourne Oil Company | 3 |
2 |
| Other owners | 75 |