- 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 1/028 - Laying or reclaiming pipes on land, e.g. above the ground in the ground
Patent holdings for IPC class F16L 1/028
Total number of patents in this class: 249
10-year publication summary
|
20
|
22
|
22
|
29
|
26
|
26
|
28
|
16
|
16
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| TT Technologies, Inc. | 147 |
29 |
| The Charles Machine Works, Inc. | 416 |
12 |
| Herrenknecht AG | 195 |
11 |
| Husqvarna AB | 2879 |
9 |
| Cciip LLC | 27 |
7 |
| Callidus Capital B.V. | 16 |
4 |
| E.ON Sverige Aktiebolag | 87 |
4 |
| Kubota Corporation | 3477 |
4 |
| Terra Technologies LLC | 19 |
4 |
| 1552818 Ontario Limited | 22 |
4 |
| Enereco S.p.A. | 5 |
3 |
| Hamman IP LLC | 4 |
3 |
| MPC Bedrock Montana LLC | 3 |
3 |
| Quanta Associates, L.P. | 437 |
3 |
| Saipem S.p.A. | 510 |
3 |
| Saudi Arabian Oil Company | 12404 |
3 |
| Southeast Directional Drilling, LLC | 12 |
3 |
| Technische Universitat Darmstadt | 263 |
3 |
| Vermeer Manufacturing Company | 627 |
3 |
| Frank Föckersperger GmbH | 22 |
3 |
| Other owners | 131 |