- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F17D - Pipe-line systemspipe-lines
- F17D 3/01 - Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
Patent holdings for IPC class F17D 3/01
Total number of patents in this class: 558
10-year publication summary
|
34
|
41
|
37
|
42
|
33
|
45
|
33
|
54
|
31
|
13
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Schlumberger Technology Corporation | 11349 |
15 |
| Air Products and Chemicals, Inc. | 1461 |
15 |
| Saudi Arabian Oil Company | 13904 |
14 |
| Halliburton Energy Services, Inc. | 21144 |
12 |
| Chengdu Qinchuan IoT Technology Co., Ltd. | 512 |
12 |
| Schlumberger Canada Limited | 7524 |
11 |
| Bio-Rad Laboratories, Inc. | 1613 |
7 |
| Hifi Engineering Inc. | 136 |
7 |
| Phillips 66 Company | 1054 |
7 |
| Proteus Industries, Inc. | 44 |
7 |
| Services Petroliers Schlumberger | 5945 |
7 |
| Aclara Technologies LLC | 283 |
6 |
| Mobile Tech, Inc. | 142 |
6 |
| Dalian University of Technology | 1570 |
5 |
| Pietro Fiorentini SpA | 108 |
5 |
| TPE Midstream LLC | 61 |
5 |
| Flexsteel USA, LLC | 165 |
5 |
| H2c Safety Pipe, Inc. | 5 |
5 |
| Schlumberger Technology B.v. | 5259 |
4 |
| Landmark Graphics Corporation | 1509 |
4 |
| Other owners | 399 |