- 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 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: 1000
10-year publication summary
|
72
|
149
|
118
|
111
|
110
|
82
|
67
|
60
|
46
|
14
|
| 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 |
259 |
| Schlumberger Technology Corporation | 9690 |
84 |
| Merlin Technology, Inc. | 165 |
46 |
| Nabors Drilling Technologies USA, Inc. | 533 |
30 |
| Baker Hughes Incorporated | 5689 |
28 |
| Baker Hughes, a GE Company, LLC | 2171 |
26 |
| Schlumberger Canada Limited | 6913 |
24 |
| Motive Drilling Technologies, Inc. | 89 |
23 |
| Saudi Arabian Oil Company | 11322 |
22 |
| Gyrodata, Incorporated | 99 |
21 |
| Services Petroliers Schlumberger | 5426 |
18 |
| Scientific Drilling International, Inc. | 161 |
17 |
| Schlumberger Technology B.v. | 4951 |
15 |
| Evolution Engineering Inc. | 313 |
15 |
| Well Resolutions Technology | 33 |
12 |
| Baker Hughes Oilfield Operations, LLC | 1885 |
12 |
| Schlumberger Holdings Limited | 2947 |
11 |
| Prad Research and Development Limited | 2696 |
11 |
| Weatherford Technology Holdings, LLC | 2135 |
10 |
| The Charles Machine Works, Inc. | 411 |
10 |
| Other owners | 306 |