- All sections
- E - Fixed constructions
- E21B - Earth or rock drilling; obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B 7/10 - Correction of deflected boreholes
Patent holdings for IPC class E21B 7/10
Total number of patents in this class: 120
10-year publication summary
11
|
17
|
12
|
2
|
21
|
16
|
11
|
6
|
5
|
1
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Halliburton Energy Services, Inc. | 20165 |
21 |
Schlumberger Technology Corporation | 9690 |
13 |
Motive Drilling Technologies, Inc. | 89 |
10 |
National Oilwell Varco, L.P. | 1604 |
5 |
Board of Regents, The University of Texas System | 5370 |
4 |
Doublebarrel Downhole Technologies LLC | 7 |
4 |
Saudi Arabian Oil Company | 11322 |
4 |
APS Technology, Inc. | 87 |
3 |
Gyrodata, Incorporated | 99 |
3 |
Chevron U.S.A. Inc. | 3774 |
2 |
Aker Wirth GmbH | 20 |
2 |
Grant Prideco, Inc. | 384 |
2 |
Hy-Tech Drilling Ltd. | 23 |
2 |
Nabors Drilling Technologies USA, Inc. | 533 |
2 |
Scientific Drilling International, Inc. | 161 |
2 |
Soletanche Freyssinet | 480 |
2 |
Extreme Rock Destruction LLC | 4 |
2 |
Helmerich & Payne Technologies, LLC | 77 |
2 |
Schlumberger Canada Limited | 6913 |
1 |
Schlumberger Technology B.v. | 4951 |
1 |
Other owners | 33 |