- 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: 531
10-year publication summary
|
28
|
34
|
41
|
37
|
42
|
33
|
43
|
33
|
53
|
26
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Schlumberger Technology Corporation | 10848 |
15 |
| Air Products and Chemicals, Inc. | 1441 |
14 |
| Saudi Arabian Oil Company | 13316 |
14 |
| Halliburton Energy Services, Inc. | 20937 |
12 |
| Schlumberger Canada Limited | 7357 |
11 |
| Chengdu Qinchuan IoT Technology Co., Ltd. | 456 |
11 |
| Hifi Engineering Inc. | 131 |
7 |
| Phillips 66 Company | 1052 |
7 |
| Proteus Industries, Inc. | 45 |
7 |
| Services Petroliers Schlumberger | 5823 |
7 |
| Bio-Rad Laboratories, Inc. | 1617 |
6 |
| Mobile Tech, Inc. | 144 |
6 |
| H2 Clipper, Inc. | 29 |
6 |
| Aclara Technologies LLC | 258 |
5 |
| Dalian University of Technology | 1522 |
5 |
| Flexsteel USA, LLC | 162 |
5 |
| Schlumberger Technology B.v. | 5184 |
4 |
| Landmark Graphics Corporation | 1524 |
4 |
| Siemens AG | 24421 |
4 |
| President and Fellows of Harvard College | 5992 |
4 |
| Other owners | 377 |