- 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: 520
10-year publication summary
|
38
|
37
|
51
|
41
|
43
|
33
|
46
|
37
|
57
|
18
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Schlumberger Technology Corporation | 10641 |
15 |
| Air Products and Chemicals, Inc. | 1404 |
14 |
| Saudi Arabian Oil Company | 12891 |
14 |
| Halliburton Energy Services, Inc. | 20769 |
12 |
| Schlumberger Canada Limited | 7244 |
11 |
| Chengdu Qinchuan IoT Technology Co., Ltd. | 432 |
11 |
| Phillips 66 Company | 1057 |
7 |
| Proteus Industries, Inc. | 46 |
7 |
| Services Petroliers Schlumberger | 5763 |
7 |
| Hifi Engineering Inc. | 130 |
6 |
| Mobile Tech, Inc. | 144 |
6 |
| H2 Clipper, Inc. | 29 |
6 |
| Bio-Rad Laboratories, Inc. | 1609 |
5 |
| Dalian University of Technology | 1508 |
5 |
| Flexsteel USA, LLC | 161 |
5 |
| Schlumberger Technology B.v. | 5154 |
4 |
| Landmark Graphics Corporation | 1522 |
4 |
| Siemens AG | 24547 |
4 |
| President and Fellows of Harvard College | 5952 |
4 |
| Acergy France SAS | 126 |
4 |
| Other owners | 369 |