- 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: 581
10-year publication summary
|
37
|
51
|
41
|
43
|
33
|
48
|
37
|
65
|
37
|
36
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Chengdu Qinchuan IoT Technology Co., Ltd. | 548 |
16 |
| Schlumberger Technology Corporation | 11820 |
15 |
| Air Products and Chemicals, Inc. | 1474 |
15 |
| Saudi Arabian Oil Company | 14248 |
14 |
| Halliburton Energy Services, Inc. | 21320 |
12 |
| Schlumberger Canada Limited | 7601 |
11 |
| Hifi Engineering Inc. | 139 |
8 |
| Bio-Rad Laboratories, Inc. | 1612 |
7 |
| Phillips 66 Company | 1019 |
7 |
| Proteus Industries, Inc. | 40 |
7 |
| Services Petroliers Schlumberger | 6023 |
7 |
| H2c Safety Pipe, Inc. | 9 |
7 |
| Aclara Technologies LLC | 302 |
6 |
| Mobile Tech, Inc. | 142 |
6 |
| Dalian University of Technology | 1594 |
5 |
| Pietro Fiorentini SpA | 110 |
5 |
| TPE Midstream LLC | 62 |
5 |
| Flexsteel USA, LLC | 167 |
5 |
| Schlumberger Technology B.v. | 5295 |
4 |
| Landmark Graphics Corporation | 1508 |
4 |
| Other owners | 415 |