- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F03B - Machines or engines for liquids
- F03B 13/02 - Adaptations for drilling wells
Patent holdings for IPC class F03B 13/02
Total number of patents in this class: 126
10-year publication summary
19
|
10
|
6
|
7
|
5
|
4
|
9
|
4
|
12
|
3
|
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 |
26 |
Schlumberger Technology Corporation | 9690 |
14 |
Schlumberger Canada Limited | 6913 |
8 |
Schlumberger Technology B.v. | 4951 |
7 |
Services Petroliers Schlumberger | 5426 |
7 |
Schlumberger Holdings Limited | 2947 |
5 |
Prad Research and Development Limited | 2696 |
5 |
Smith International, Inc. | 761 |
4 |
Thru Tubing Solutions, Inc. | 361 |
4 |
China Petroleum & Chemical Corporation | 1623 |
3 |
ENI S.p.A. | 1241 |
3 |
Shengli Drilling Technology Research Institute of Sinopec | 9 |
3 |
BHE Turbomachinery, LLC | 9 |
3 |
Greystone Technologies Pty Ltd | 10 |
2 |
National Oilwell Varco, L.P. | 1604 |
2 |
Ulterra Drilling Technologies, L.P. | 124 |
2 |
Baker Hughes, a GE Company, LLC | 2171 |
2 |
U-target Energy Ltd. | 6 |
2 |
Hawle Water Technology Norge AS | 8 |
2 |
Siemens AG | 24990 |
1 |
Other owners | 21 |