- All sections
- E - Fixed constructions
- E01B - Permanent way; permanent-way tools; machines for making railways of all kinds
- E01B 17/00 - Cattle guards connected to the permanent way
Patent holdings for IPC class E01B 17/00
Total number of patents in this class: 6
10-year publication summary
|
1
|
1
|
1
|
1
|
1
|
0
|
0
|
0
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Schlumberger Technology Corporation | 9690 |
1 |
| Baker Hughes Incorporated | 5689 |
1 |
| Halliburton Energy Services, Inc. | 20165 |
1 |
| RSS Holding B.V. | 2 |
1 |
| Saitec, S.A. | 3 |
1 |
| Bjørshol International | 2 |
1 |
| Other owners | 0 |