- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F17D - Pipe-line systems; pipe-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: 455
10-year publication summary
|
49
|
38
|
37
|
51
|
41
|
43
|
32
|
44
|
34
|
20
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Schlumberger Technology Corporation | 9690 |
13 |
| Air Products and Chemicals, Inc. | 1448 |
13 |
| Saudi Arabian Oil Company | 11322 |
13 |
| Halliburton Energy Services, Inc. | 20165 |
12 |
| Schlumberger Canada Limited | 6913 |
10 |
| Phillips 66 Company | 1073 |
7 |
| Proteus Industries, Inc. | 50 |
7 |
| Services Petroliers Schlumberger | 5426 |
7 |
| Hifi Engineering Inc. | 125 |
6 |
| Mobile Tech, Inc. | 140 |
6 |
| Bio-Rad Laboratories, Inc. | 1592 |
5 |
| Trinity Bay Equipment Holdings, LLC | 244 |
5 |
| Chengdu Qinchuan IoT Technology Co., Ltd. | 291 |
5 |
| Schlumberger Technology B.v. | 4951 |
4 |
| Landmark Graphics Corporation | 1526 |
4 |
| Siemens AG | 24990 |
4 |
| President and Fellows of Harvard College | 5792 |
4 |
| Acergy France SAS | 124 |
4 |
| Dalian University of Technology | 1387 |
4 |
| Pietro Fiorentini SpA | 95 |
4 |
| Other owners | 318 |