- All sections
- E - Fixed constructions
- E02D - Foundationsexcavationsembankmentsunderground or underwater structures
- E02D 5/52 - Piles composed of separable parts, e.g. telescopic tubes
Patent holdings for IPC class E02D 5/52
Total number of patents in this class: 166
10-year publication summary
|
24
|
13
|
18
|
19
|
20
|
26
|
25
|
20
|
21
|
18
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pier Tech Systems, LLC | 29 |
25 |
| Hubbell Incorporated | 3259 |
9 |
| American Piledriving Equipment, Inc. | 63 |
6 |
| RWE Renewables GmbH | 54 |
4 |
| Weatherford Technology Holdings, LLC | 2021 |
3 |
| Rautaruukki Oyj | 148 |
3 |
| Mark White Fabrication, LLC | 3 |
3 |
| Halliburton Energy Services, Inc. | 20871 |
2 |
| Brooke Erin Desantis | 30 |
2 |
| Ext Co., Ltd. | 11 |
2 |
| The Florida International University Board of Trustees | 612 |
2 |
| Goliathtech Inc. | 48 |
2 |
| Pnd Engineers, Inc. | 18 |
2 |
| Tuper S.A. | 10 |
2 |
| Giken Ltd. | 50 |
2 |
| Ojjo, Inc. | 116 |
2 |
| Keltbray Limited | 5 |
2 |
| Lujabetoni Oy | 2 |
2 |
| T-More Enterprises, LLC | 4 |
2 |
| Leimet Oy | 4 |
2 |
| Other owners | 87 |