- 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 47/03 - Welded joints with an electrical resistance incorporated in the joint
Patent holdings for IPC class F16L 47/03
Total number of patents in this class: 190
10-year publication summary
|
19
|
24
|
11
|
13
|
13
|
8
|
11
|
9
|
7
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pioneer Lining Technology Limited | 32 |
17 |
| Georg Fischer Piping Systems Ltd. | 9 |
7 |
| Georg Fischer Rohrleitungssysteme AG | 103 |
6 |
| Saipem S.A. | 223 |
6 |
| Saudi Arabian Oil Company | 11322 |
6 |
| Radius Systems Limited | 47 |
5 |
| "agru" Kunststofftechnik Gesellschaft m.b.H. | 62 |
4 |
| CORE Linepipe Inc. | 17 |
4 |
| FRIATEC Aktiengesellschaft | 25 |
4 |
| Georg Fischer Wavin AG | 13 |
4 |
| HDPE Solutions, LLC | 7 |
4 |
| ISCO Industries, Inc. | 35 |
4 |
| MariCap Oy | 182 |
4 |
| Sekisui Chemical Co., Ltd. | 3159 |
4 |
| TSC Innovation AB | 9 |
4 |
| Aramco Services Company | 3504 |
3 |
| Franklin Fueling Systems Limited | 14 |
3 |
| Glynwed Pipe Systems Limited | 10 |
3 |
| Magma Global Limited | 51 |
3 |
| Pipelife Nederland B.V. | 34 |
3 |
| Other owners | 92 |