- 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 10/60 - Drill bits characterised by conduits or nozzles for drilling fluids
Patent holdings for IPC class E21B 10/60
Total number of patents in this class: 512
10-year publication summary
|
35
|
36
|
41
|
48
|
30
|
32
|
25
|
19
|
33
|
8
|
| 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 |
42 |
| Schlumberger Technology Corporation | 11798 |
25 |
| Ulterra Drilling Technologies, L.P. | 128 |
25 |
| Baker Hughes Holdings LLC | 3023 |
25 |
| Baker Hughes Incorporated | 4940 |
21 |
| Saudi Arabian Oil Company | 14207 |
20 |
| Schlumberger Canada Limited | 7606 |
19 |
| Baker Hughes Oilfield Operations, LLC | 2521 |
16 |
| Schlumberger Technology B.v. | 5298 |
15 |
| Services Petroliers Schlumberger | 6024 |
15 |
| Foro Energy, Inc. | 106 |
14 |
| Optionx Holdings Pty Ltd | 15 |
10 |
| Smith International, Inc. | 695 |
9 |
| Boart Longyear Manufacturing and Distribution Inc. | 129 |
8 |
| China University of Petroleum (East China) | 417 |
6 |
| Shenzhen University | 1725 |
6 |
| Boart Longyear Company | 123 |
6 |
| Veracio Ltd. | 73 |
6 |
| Schlumberger Holdings Limited | 2702 |
5 |
| Aramco Services Company | 4188 |
5 |
| Other owners | 214 |