- 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: 1118
10-year publication summary
|
118
|
112
|
110
|
82
|
73
|
63
|
52
|
48
|
48
|
32
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 21320 |
265 |
| Schlumberger Technology Corporation | 11820 |
107 |
| Merlin Technology, Inc. | 168 |
55 |
| Motive Drilling Technologies, Inc. | 104 |
33 |
| Nabors Drilling Technologies USA, Inc. | 573 |
32 |
| Schlumberger Canada Limited | 7601 |
30 |
| Saudi Arabian Oil Company | 14248 |
27 |
| Baker Hughes, a GE Company, LLC | 2054 |
26 |
| Baker Hughes Incorporated | 4927 |
24 |
| Services Petroliers Schlumberger | 6023 |
24 |
| Scientific Drilling International, Inc. | 172 |
22 |
| Gyrodata, Incorporated | 69 |
20 |
| Schlumberger Technology B.v. | 5295 |
18 |
| Baker Hughes Oilfield Operations, LLC | 2532 |
17 |
| Evolution Engineering Inc. | 301 |
14 |
| Well Resolutions Technology | 41 |
12 |
| Schlumberger Holdings Limited | 2694 |
11 |
| Magnetic Variation Services, LLC | 40 |
11 |
| Prad Research and Development Limited | 2658 |
11 |
| The Charles Machine Works, Inc. | 419 |
10 |
| Other owners | 349 |