- All sections
- G - Physics
- G01B - Measuring length, thickness or similar linear dimensions; measuring angles; measuring areas; measuring irregularities of surfaces or contours
- G01B 7/13 - Internal diameters
Patent holdings for IPC class G01B 7/13
Total number of patents in this class: 59
10-year publication summary
6
|
3
|
3
|
3
|
1
|
3
|
3
|
3
|
7
|
0
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Schlumberger Technology Corporation | 9690 |
5 |
Halliburton Energy Services, Inc. | 20165 |
5 |
Marposs, S.p.A. | 141 |
4 |
NDT Global Corporate Ltd. Ireland | 18 |
3 |
The Boeing Company | 19843 |
2 |
Corning Incorporated | 9932 |
2 |
Eth Zurich | 1193 |
2 |
Nippon Steel Corporation | 5649 |
2 |
Stotz Feinmesstechnik GmbH | 12 |
2 |
Vallourec Oil and Gas France | 450 |
2 |
Mewbourne Oil Company | 3 |
2 |
Schlumberger Canada Limited | 6913 |
1 |
Schlumberger Technology B.v. | 4951 |
1 |
Schlumberger Holdings Limited | 2947 |
1 |
BASF SE | 19740 |
1 |
Siemens AG | 24990 |
1 |
Ford Global Technologies, LLC | 19702 |
1 |
Boe Technology Group Co., Ltd. | 35384 |
1 |
Bruker Nano, Inc. | 334 |
1 |
China University of Mining and Technology | 1189 |
1 |
Other owners | 19 |