- 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 58/04 - Coatings characterised by the materials used
Patent holdings for IPC class F16L 58/04
Total number of patents in this class: 149
10-year publication summary
11
|
18
|
27
|
24
|
12
|
8
|
4
|
5
|
8
|
4
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Saudi Arabian Oil Company | 11322 |
7 |
Whitaker Chalk Swindle & Schwartz PLLC | 7 |
5 |
E9 Treatments, Inc. | 7 |
5 |
Nippon Steel Corporation | 5649 |
4 |
Vallourec Oil and Gas France | 450 |
4 |
Nitto Denko Corporation | 7879 |
3 |
Sanoh Industrial Co., Ltd. | 189 |
3 |
ShawCor Ltd. | 79 |
3 |
Board of Regents, The University of Texas System | 5370 |
2 |
1876255 Ontario Limited | 3 |
2 |
Atomic Energy of Canada Limited | 132 |
2 |
BL Technologies, Inc. | 831 |
2 |
C3 International, LLC | 9 |
2 |
ChemTreat, Inc. | 198 |
2 |
Ixom Operations Pty Ltd | 80 |
2 |
Kingspan Holdings (IRL) Limited | 389 |
2 |
Lindsay Corporation | 229 |
2 |
Nippon Steel & Sumitomo Metal Corporation | 1990 |
2 |
Shore Acres Enterprises Inc. | 26 |
2 |
Sofsera Corporation | 28 |
2 |
Other owners | 91 |