- 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 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: 1602
10-year publication summary
|
142
|
148
|
121
|
142
|
136
|
138
|
147
|
161
|
108
|
33
|
| 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 |
350 |
| Baker Hughes Incorporated | 5689 |
116 |
| Saudi Arabian Oil Company | 11322 |
82 |
| Schlumberger Technology Corporation | 9690 |
77 |
| Weatherford Technology Holdings, LLC | 2135 |
76 |
| Schlumberger Canada Limited | 6913 |
57 |
| Baker Hughes Oilfield Operations, LLC | 1885 |
54 |
| Schlumberger Technology B.v. | 4951 |
49 |
| Services Petroliers Schlumberger | 5426 |
49 |
| Baker Hughes, a GE Company, LLC | 2171 |
49 |
| The Wellboss Company, LLC | 96 |
43 |
| Baker Hughes Holdings LLC | 3060 |
40 |
| Schlumberger Holdings Limited | 2947 |
17 |
| G & H Diversified Manufacturing, LP, Edward Cannoy Kash, U.S. Citizen; Merry Janan Kash, U.S. Citizen | 61 |
17 |
| Hunting Titan, Inc. | 240 |
16 |
| Prad Research and Development Limited | 2696 |
16 |
| Welltec Oilfield Solutions AG | 140 |
16 |
| Aramco Services Company | 3504 |
11 |
| Welltec AS | 301 |
11 |
| Exacta-Frac Energy Services, Inc. | 56 |
11 |
| Other owners | 445 |