- All sections
- G - Physics
- G01B - Measuring length, thickness or similar linear dimensions; measuring angles; measuring areas; measuring 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: 149
10-year publication summary
22
|
10
|
16
|
10
|
9
|
21
|
11
|
3
|
8
|
2
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Mitutoyo Corporation | 1218 |
10 |
The Boeing Company | 19843 |
8 |
IHI Corporation | 3268 |
7 |
Marposs, S.p.A. | 141 |
7 |
CITIC Dicastal CO., LTD | 531 |
5 |
Mitsubishi Heavy Industries, Ltd. | 8217 |
4 |
Saudi Arabian Oil Company | 11322 |
4 |
Schlumberger Technology Corporation | 9690 |
3 |
Halliburton Energy Services, Inc. | 20165 |
3 |
DMG MORI Co., Ltd. | 751 |
3 |
Dorsey Metrology International | 6 |
3 |
Buhler Inc. | 11 |
2 |
China University of Mining and Technology | 1189 |
2 |
Expro North Sea Limited | 215 |
2 |
Liqui-force Sewer Services, Inc. | 8 |
2 |
Nippon Steel Corporation | 5649 |
2 |
Renishaw plc | 739 |
2 |
Safran Aircraft Engines | 5739 |
2 |
Vallourec Oil and Gas France | 450 |
2 |
READ Cased Hole Limited | 4 |
2 |
Other owners | 74 |