- 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 10/633 - 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: 144
10-year publication summary
|
16
|
7
|
5
|
10
|
15
|
10
|
7
|
15
|
6
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Smith International, Inc. | 691 |
19 |
| US Synthetic Corporation | 617 |
16 |
| Baker Hughes Holdings LLC | 3011 |
12 |
| Halliburton Energy Services, Inc. | 21284 |
11 |
| Schlumberger Technology Corporation | 11924 |
6 |
| National Oilwell Varco, L.P. | 1700 |
6 |
| Saudi Arabian Oil Company | 14349 |
6 |
| Ulterra Drilling Technologies, L.P. | 129 |
6 |
| Baker Hughes Oilfield Operations, LLC | 2556 |
4 |
| Element Six Abrasives S.A. | 145 |
3 |
| Grant Prideco, Inc. | 447 |
3 |
| National Oilwell DHT, L.P. | 117 |
3 |
| Transco Manufacturing Australia Pty Ltd | 6 |
3 |
| Baker Hughes Incorporated | 4897 |
2 |
| Allied Machine & Engineering Corp. | 102 |
2 |
| Aramco Services Company | 4192 |
2 |
| Melfred Borzall, Inc. | 8 |
2 |
| Vermeer Manufacturing Company | 676 |
2 |
| Precise Drilling Components Ltd. | 8 |
2 |
| A.W.C. Distributing, Inc. | 3 |
2 |
| Other owners | 32 |