- 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 10/00 - Drill bits
Patent holdings for IPC class E21B 10/00
Total number of patents in this class: 622
10-year publication summary
|
64
|
59
|
59
|
42
|
14
|
23
|
23
|
17
|
9
|
4
|
| 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 |
101 |
| Baker Hughes Holdings LLC | 3060 |
66 |
| Baker Hughes Incorporated | 5689 |
46 |
| Schlumberger Technology Corporation | 9690 |
28 |
| Smith International, Inc. | 761 |
23 |
| Schlumberger Canada Limited | 6913 |
21 |
| SDG, LLC | 62 |
21 |
| Schlumberger Technology B.v. | 4951 |
16 |
| Services Petroliers Schlumberger | 5426 |
16 |
| Baker Hughes, a GE Company, LLC | 2171 |
16 |
| Chevron U.S.A. Inc. | 3774 |
15 |
| Saudi Arabian Oil Company | 11322 |
10 |
| US Synthetic Corporation | 601 |
9 |
| Schlumberger Holdings Limited | 2947 |
8 |
| Kennametal Inc. | 1380 |
8 |
| Sandvik Intellectual Property AB | 1634 |
8 |
| Element Six Abrasives S.A. | 148 |
7 |
| Prad Research and Development Limited | 2696 |
7 |
| Diamond Innovations, Inc. | 241 |
6 |
| Element Six Limited | 123 |
6 |
| Other owners | 184 |