- 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 10/633 - Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable with plural detachable cutting elements independently detachable
Patent holdings for IPC class E21B 10/633
Total number of patents in this class: 124
10-year publication summary
|
12
|
15
|
16
|
7
|
5
|
10
|
15
|
10
|
5
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Smith International, Inc. | 761 |
19 |
| US Synthetic Corporation | 601 |
15 |
| Baker Hughes Holdings LLC | 3060 |
13 |
| Halliburton Energy Services, Inc. | 20165 |
9 |
| Schlumberger Technology Corporation | 9690 |
4 |
| Saudi Arabian Oil Company | 11322 |
4 |
| Ulterra Drilling Technologies, L.P. | 124 |
4 |
| Element Six Abrasives S.A. | 148 |
3 |
| National Oilwell DHT, L.P. | 159 |
3 |
| Sandvik Intellectual Property AB | 1634 |
3 |
| Transco Manufacturing Australia Pty Ltd | 8 |
3 |
| A.W.C. Distributing, Inc. | 4 |
3 |
| Baker Hughes Incorporated | 5689 |
2 |
| Allied Machine & Engineering Corp. | 106 |
2 |
| Aramco Services Company | 3504 |
2 |
| Melfred Borzall, Inc. | 6 |
2 |
| Vermeer Manufacturing Company | 615 |
2 |
| Precise Drilling Components Ltd. | 8 |
2 |
| Baker Hughes Oilfield Operations, LLC | 1885 |
2 |
| Schlumberger Canada Limited | 6913 |
1 |
| Other owners | 26 |