- 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 7/06 - Deflecting the direction of boreholes
Patent holdings for IPC class E21B 7/06
Total number of patents in this class: 2326
10-year publication summary
224
|
196
|
227
|
205
|
172
|
154
|
162
|
157
|
138
|
12
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Halliburton Energy Services, Inc. | 20438 |
567 |
Schlumberger Technology Corporation | 10263 |
209 |
Schlumberger Canada Limited | 7154 |
111 |
Services Petroliers Schlumberger | 5633 |
98 |
Schlumberger Technology B.v. | 5075 |
91 |
Saudi Arabian Oil Company | 12446 |
68 |
Baker Hughes Oilfield Operations, LLC | 2128 |
63 |
Baker Hughes, a GE Company, LLC | 2138 |
58 |
Weatherford Technology Holdings, LLC | 2109 |
51 |
Schlumberger Holdings Limited | 2867 |
39 |
Baker Hughes Incorporated | 5504 |
35 |
Prad Research and Development Limited | 2696 |
35 |
Baker Hughes Holdings LLC | 3009 |
34 |
Motive Drilling Technologies, Inc. | 97 |
28 |
National Oilwell Varco, L.P. | 1627 |
27 |
Nabors Drilling Technologies USA, Inc. | 547 |
25 |
Shell Internationale Research Maatschappij B.V. | 3722 |
19 |
Coiled Tubing Specialties, LLC | 31 |
18 |
Aramco Services Company | 3750 |
17 |
Vermeer Manufacturing Company | 626 |
17 |
Other owners | 716 |