- 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: 244
10-year publication summary
|
32
|
20
|
22
|
22
|
29
|
26
|
26
|
28
|
16
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| TT Technologies, Inc. | 145 |
28 |
| The Charles Machine Works, Inc. | 411 |
14 |
| Herrenknecht AG | 186 |
11 |
| Husqvarna AB | 2824 |
9 |
| Cciip LLC | 28 |
7 |
| Callidus Capital B.V. | 14 |
4 |
| E.ON Sverige Aktiebolag | 87 |
4 |
| Kubota Corporation | 3054 |
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. | 435 |
3 |
| Saipem S.p.A. | 513 |
3 |
| Saudi Arabian Oil Company | 11322 |
3 |
| Southeast Directional Drilling, LLC | 12 |
3 |
| Technische Universitat Darmstadt | 258 |
3 |
| Vermeer Manufacturing Company | 615 |
3 |
| Frank Föckersperger GmbH | 17 |
3 |
| Other owners | 125 |