- 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 31/107 - Fishing for or freeing objects in boreholes or wells using impact means for releasing stuck parts, e.g. jars
Patent holdings for IPC class E21B 31/107
Total number of patents in this class: 219
10-year publication summary
24
|
23
|
17
|
18
|
24
|
15
|
13
|
12
|
9
|
6
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Impact Selector International, LLC | 117 |
34 |
Halliburton Energy Services, Inc. | 20165 |
32 |
Saudi Arabian Oil Company | 11322 |
14 |
Weatherford Technology Holdings, LLC | 2135 |
10 |
Thru Tubing Solutions, Inc. | 361 |
9 |
Rotojar Innovations Limited | 29 |
8 |
Schlumberger Technology Corporation | 9690 |
6 |
Schlumberger Canada Limited | 6913 |
5 |
Flexidrill Limited | 53 |
5 |
Schlumberger Technology B.v. | 4951 |
4 |
Aramco Services Company | 3504 |
4 |
National Oilwell Varco, L.P. | 1604 |
4 |
Services Petroliers Schlumberger | 5426 |
4 |
Smith International, Inc. | 761 |
3 |
KLX Energy Services LLC | 75 |
3 |
Loxley Holding AS | 3 |
3 |
Rotojar Limited | 3 |
3 |
Think and Vision GmbH | 28 |
3 |
Baker Hughes, a GE Company, LLC | 2171 |
3 |
Equinor Energy AS | 475 |
3 |
Other owners | 59 |