- All sections
- E - Fixed constructions
- E21B - Earth or rock drillingobtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B 47/024 - Determining slope or direction of devices in the borehole
Patent holdings for IPC class E21B 47/024
Total number of patents in this class: 1066
10-year publication summary
|
135
|
115
|
94
|
103
|
76
|
71
|
57
|
44
|
44
|
29
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 20911 |
266 |
| Schlumberger Technology Corporation | 10780 |
93 |
| Merlin Technology, Inc. | 162 |
49 |
| Motive Drilling Technologies, Inc. | 103 |
32 |
| Nabors Drilling Technologies USA, Inc. | 561 |
31 |
| Schlumberger Canada Limited | 7332 |
26 |
| Baker Hughes, a GE Company, LLC | 2110 |
26 |
| Baker Hughes Incorporated | 5274 |
25 |
| Saudi Arabian Oil Company | 13224 |
25 |
| Scientific Drilling International, Inc. | 168 |
21 |
| Services Petroliers Schlumberger | 5803 |
21 |
| Gyrodata, Incorporated | 87 |
20 |
| Schlumberger Technology B.v. | 5176 |
17 |
| Evolution Engineering Inc. | 301 |
14 |
| Baker Hughes Oilfield Operations, LLC | 2302 |
14 |
| Well Resolutions Technology | 38 |
12 |
| Schlumberger Holdings Limited | 2817 |
11 |
| Magnetic Variation Services, LLC | 38 |
11 |
| Prad Research and Development Limited | 2693 |
11 |
| The Charles Machine Works, Inc. | 409 |
10 |
| Other owners | 331 |