- 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 43/114 - Perforators using direct fluid action, e.g. abrasive jets
Patent holdings for IPC class E21B 43/114
Total number of patents in this class: 380
10-year publication summary
|
46
|
31
|
26
|
24
|
18
|
19
|
18
|
7
|
8
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 20403 |
77 |
| Thru Tubing Solutions, Inc. | 364 |
45 |
| Schlumberger Technology Corporation | 10217 |
23 |
| Saudi Arabian Oil Company | 12390 |
20 |
| CURTIS, Philip, Anthony | 497 |
16 |
| TD Tools, Inc. | 14 |
11 |
| Baker Hughes Incorporated | 5514 |
9 |
| Hunting Titan, Inc. | 244 |
9 |
| Schlumberger Canada Limited | 7137 |
8 |
| Aramco Services Company | 3735 |
8 |
| Coiled Tubing Specialties, LLC | 31 |
8 |
| Schlumberger Technology B.v. | 5058 |
6 |
| Schlumberger Holdings Limited | 2870 |
6 |
| NCS Multistage Inc. | 178 |
6 |
| Prad Research and Development Limited | 2696 |
6 |
| Services Petroliers Schlumberger | 5616 |
6 |
| Pinnacle Oil Tools Inc. | 6 |
6 |
| China Petroleum & Chemical Corporation | 1767 |
5 |
| Robertson Intellectual Properties, LLC | 89 |
5 |
| Sinopec Southwest Oil & Gas Company | 21 |
5 |
| Other owners | 95 |