- 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 23/06 - Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for setting packers
Patent holdings for IPC class E21B 23/06
Total number of patents in this class: 1727
10-year publication summary
|
148
|
121
|
142
|
136
|
139
|
148
|
161
|
121
|
105
|
53
|
| 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 |
386 |
| Baker Hughes Incorporated | 5277 |
111 |
| Schlumberger Technology Corporation | 10662 |
91 |
| Saudi Arabian Oil Company | 12947 |
90 |
| Weatherford Technology Holdings, LLC | 2015 |
72 |
| Baker Hughes Oilfield Operations, LLC | 2288 |
72 |
| Schlumberger Canada Limited | 7273 |
64 |
| Schlumberger Technology B.v. | 5161 |
53 |
| Services Petroliers Schlumberger | 5772 |
53 |
| Baker Hughes, a GE Company, LLC | 2114 |
49 |
| The Wellboss Company, LLC | 102 |
45 |
| Baker Hughes Holdings LLC | 3005 |
40 |
| G & H Diversified Manufacturing, LP, Edward Cannoy Kash, U.S. Citizen; Merry Janan Kash, U.S. Citizen | 69 |
20 |
| Hunting Titan, Inc. | 245 |
17 |
| Schlumberger Holdings Limited | 2835 |
16 |
| Prad Research and Development Limited | 2693 |
16 |
| DYNAenergetics Europe GmbH | 245 |
12 |
| Dbk Industries, LLC | 15 |
12 |
| Aramco Services Company | 3929 |
11 |
| Welltec AS | 297 |
11 |
| Other owners | 486 |