- 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 13/02 - Welded joints
Patent holdings for IPC class F16L 13/02
Total number of patents in this class: 486
10-year publication summary
51
|
53
|
52
|
39
|
53
|
35
|
50
|
43
|
20
|
9
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Saipem S.p.A. | 513 |
23 |
Saipem S.A. | 223 |
21 |
Subsea 7 Limited | 208 |
18 |
Pioneer Lining Technology Limited | 32 |
11 |
Acergy France SAS | 124 |
10 |
Zhejiang DunAn Artificial Environment Co., Ltd | 394 |
9 |
Technip France | 737 |
7 |
Webco Industries, Inc. | 26 |
6 |
Minimax Viking Research & Development GmbH | 156 |
6 |
The Boeing Company | 19843 |
5 |
Bluemarine Offshore Yard Service B.V. | 19 |
5 |
Heerema Marine Contractors Nederland SE | 58 |
5 |
Swagelok Company | 325 |
5 |
LPS IP LLC | 7 |
5 |
CRC-Evans Pipeline International, Inc. | 46 |
4 |
Borealis AG | 2558 |
4 |
Nippon Steel Corporation | 5649 |
4 |
Pipeline Induction Heat Limited | 28 |
4 |
Saudi Arabian Oil Company | 11322 |
4 |
ShawCor Ltd. | 79 |
4 |
Other owners | 326 |