- 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 10/00 - Drill bits
Patent holdings for IPC class E21B 10/00
Total number of patents in this class: 605
10-year publication summary
|
52
|
39
|
13
|
23
|
22
|
15
|
9
|
10
|
5
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 21098 |
98 |
| Baker Hughes Holdings LLC | 2986 |
63 |
| Baker Hughes Incorporated | 5109 |
38 |
| Schlumberger Technology Corporation | 11274 |
27 |
| Schlumberger Canada Limited | 7487 |
21 |
| SDG, LLC | 55 |
20 |
| Smith International, Inc. | 704 |
18 |
| Schlumberger Technology B.v. | 5245 |
16 |
| Services Petroliers Schlumberger | 5923 |
16 |
| Baker Hughes, a GE Company, LLC | 2105 |
16 |
| Chevron U.S.A. Inc. | 4048 |
15 |
| Saudi Arabian Oil Company | 13857 |
12 |
| US Synthetic Corporation | 614 |
10 |
| Schlumberger Holdings Limited | 2754 |
8 |
| Kennametal Inc. | 1362 |
7 |
| Element Six Abrasives S.A. | 146 |
7 |
| Prad Research and Development Limited | 2684 |
7 |
| Sandvik Intellectual Property AB | 1437 |
7 |
| Aramco Services Company | 4157 |
6 |
| Diamond Innovations, Inc. | 236 |
6 |
| Other owners | 187 |