- 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: 157
10-year publication summary
|
16
|
10
|
9
|
21
|
12
|
4
|
8
|
9
|
1
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitutoyo Corporation | 1255 |
12 |
| The Boeing Company | 20094 |
8 |
| IHI Corporation | 3517 |
7 |
| Marposs, S.p.A. | 140 |
6 |
| CITIC Dicastal CO., LTD | 568 |
5 |
| Saudi Arabian Oil Company | 13948 |
5 |
| Schlumberger Technology Corporation | 11522 |
4 |
| Mitsubishi Heavy Industries, Ltd. | 9030 |
4 |
| DMG MORI Co., Ltd. | 917 |
4 |
| Halliburton Energy Services, Inc. | 21230 |
3 |
| Dorsey Metrology International | 6 |
3 |
| Vallourec Oil and Gas France | 451 |
3 |
| Schlumberger Canada Limited | 7564 |
2 |
| Schlumberger Technology B.v. | 5269 |
2 |
| Buhler Inc. | 11 |
2 |
| China University of Mining and Technology | 1292 |
2 |
| Expro North Sea Limited | 234 |
2 |
| Liqui-force Sewer Services, Inc. | 8 |
2 |
| Safran Aircraft Engines | 6554 |
2 |
| Services Petroliers Schlumberger | 5979 |
2 |
| Other owners | 77 |