- 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: 616
10-year publication summary
|
59
|
59
|
42
|
14
|
24
|
24
|
17
|
10
|
10
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 20835 |
101 |
| Baker Hughes Holdings LLC | 3005 |
63 |
| Baker Hughes Incorporated | 5277 |
41 |
| Schlumberger Technology Corporation | 10662 |
27 |
| Schlumberger Canada Limited | 7273 |
21 |
| SDG, LLC | 60 |
21 |
| Smith International, Inc. | 720 |
18 |
| Schlumberger Technology B.v. | 5161 |
16 |
| Services Petroliers Schlumberger | 5772 |
16 |
| Baker Hughes, a GE Company, LLC | 2114 |
16 |
| Chevron U.S.A. Inc. | 3947 |
15 |
| Saudi Arabian Oil Company | 12947 |
12 |
| US Synthetic Corporation | 624 |
9 |
| Schlumberger Holdings Limited | 2835 |
8 |
| Kennametal Inc. | 1384 |
8 |
| Element Six Abrasives S.A. | 147 |
7 |
| Prad Research and Development Limited | 2693 |
7 |
| Sandvik Intellectual Property AB | 1484 |
7 |
| Aramco Services Company | 3929 |
6 |
| Diamond Innovations, Inc. | 235 |
6 |
| Other owners | 191 |