- 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 58/02 - Protection of pipes or pipe fittings against corrosion or incrustation by means of internal or external coatings
Patent holdings for IPC class F16L 58/02
Total number of patents in this class: 107
10-year publication summary
15
|
15
|
19
|
12
|
12
|
15
|
8
|
6
|
5
|
2
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Whitaker Chalk Swindle & Schwartz PLLC | 7 |
5 |
Advanced Drainage Systems, Inc. | 304 |
4 |
Baden-Württemberg Stiftung gGmbH | 64 |
4 |
Petroliam Nasional Berhad (petronas) | 298 |
4 |
Field Joint Coatings Pty Ltd | 3 |
3 |
Formula No. 37, LLC | 6 |
3 |
E9 Treatments, Inc. | 7 |
3 |
Halliburton Energy Services, Inc. | 20165 |
2 |
3m Innovative Properties Company | 18406 |
2 |
Brigham, Graham | 3 |
2 |
Cidra Corporate Services, Inc. | 208 |
2 |
Envirologics Engineering Inc. | 22 |
2 |
Evolution Engineering Inc. | 313 |
2 |
General Air Products, Inc. | 9 |
2 |
Lindsay Corporation | 229 |
2 |
LMK Technologies, LLC | 114 |
2 |
Pipe Restoration Technologies, LLC | 38 |
2 |
Samsung Heavy Ind. Co., Ltd. | 240 |
2 |
Saudi Arabian Oil Company | 11322 |
2 |
ShawCor Ltd. | 79 |
2 |
Other owners | 55 |