- 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 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: 205
10-year publication summary
|
17
|
18
|
24
|
15
|
13
|
12
|
10
|
8
|
4
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Weatherford Technology Holdings, LLC | 2166 |
34 |
| Halliburton Energy Services, Inc. | 21292 |
28 |
| Saudi Arabian Oil Company | 14369 |
18 |
| Thru Tubing Solutions, Inc. | 407 |
9 |
| Schlumberger Technology Corporation | 11940 |
8 |
| Impact Selector International, LLC | 28 |
7 |
| Rotojar Innovations Limited | 27 |
6 |
| Schlumberger Canada Limited | 7610 |
5 |
| Schlumberger Technology B.v. | 5287 |
5 |
| Aramco Services Company | 4190 |
5 |
| Services Petroliers Schlumberger | 6022 |
5 |
| National Oilwell Varco, L.P. | 1700 |
4 |
| Smith International, Inc. | 690 |
3 |
| Flexidrill Limited | 39 |
3 |
| KLX Energy Services LLC | 80 |
3 |
| Loxley Holding AS | 3 |
3 |
| Optimum Petroleum Services Inc. | 8 |
3 |
| Rotojar Limited | 3 |
3 |
| Baker Hughes, a GE Company, LLC | 2022 |
3 |
| Baker Hughes Holdings LLC | 3010 |
3 |
| Other owners | 47 |