- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16L - Pipesjoints or fittings for pipessupports for pipes, cables or protective tubingmeans 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: 265
10-year publication summary
|
22
|
22
|
29
|
26
|
26
|
28
|
16
|
18
|
24
|
15
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| TT Technologies, Inc. | 154 |
35 |
| The Charles Machine Works, Inc. | 419 |
11 |
| Herrenknecht AG | 214 |
9 |
| Husqvarna AB | 3034 |
9 |
| Cciip LLC | 28 |
7 |
| Kubota Corporation | 4391 |
6 |
| Vermeer Manufacturing Company | 671 |
5 |
| 1552818 Ontario Limited | 27 |
5 |
| Callidus Capital B.V. | 22 |
4 |
| E.ON Sverige Aktiebolag | 84 |
4 |
| Technische Universitat Darmstadt | 271 |
4 |
| Halliburton Energy Services, Inc. | 21338 |
3 |
| Nippon Telegraph and Telephone Corporation | 15924 |
3 |
| Enereco S.p.A. | 6 |
3 |
| Hamman IP LLC | 4 |
3 |
| MPC Bedrock Montana LLC | 3 |
3 |
| Quanta Associates, L.P. | 450 |
3 |
| Roddie, Inc. | 33 |
3 |
| Saipem S.p.A. | 529 |
3 |
| Saudi Arabian Oil Company | 14235 |
3 |
| Other owners | 139 |