- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16L - Pipes; joints or fittings for pipes; supports for pipes, cables or protective tubing; means for thermal insulation in general
- F16L 55/40 - Constructional aspects of the body
Patent holdings for IPC class F16L 55/40
Total number of patents in this class: 223
10-year publication summary
|
20
|
17
|
32
|
19
|
21
|
23
|
28
|
30
|
32
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| TDW Delaware, Inc. | 167 |
11 |
| Saudi Arabian Oil Company | 12423 |
8 |
| Rosen Swiss AG | 95 |
5 |
| SML Verwaltungs GmbH | 34 |
5 |
| TT Technologies, Inc. | 147 |
5 |
| Per Aarsleff A/S | 23 |
5 |
| Aramco Services Company | 3744 |
4 |
| Chevron Phillips Chemical Company LP | 1818 |
4 |
| ENI S.p.A. | 1250 |
4 |
| Ingu Solutions Inc. | 29 |
4 |
| hyperTunnel IP Limited | 24 |
4 |
| Rosen IP AG | 63 |
4 |
| INA Acquisition Corp. | 131 |
3 |
| iPEK International GmbH | 27 |
3 |
| Petroleo Brasileiro S.A. - Petrobras | 780 |
3 |
| Pipeline Innovations Limited | 3 |
3 |
| Pure Technologies Ltd. | 95 |
3 |
| S & B Technical Products, Inc. | 89 |
3 |
| Trelleborg Pipe Seals Duisburg GmbH | 26 |
3 |
| i2i Pipelines Limited | 5 |
3 |
| Other owners | 136 |