- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16L - Pipesjoints or fittings for pipessupports for pipes, cables or protective tubingmeans for thermal insulation in general
- F16L 59/147 - Arrangements for the insulation of pipes or pipe systems the insulation being located inwardly of the outer surface of the pipe
Patent holdings for IPC class F16L 59/147
Total number of patents in this class: 137
10-year publication summary
|
4
|
9
|
7
|
9
|
12
|
10
|
9
|
14
|
13
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| PMC Pumps Inc. | 32 |
8 |
| Dong in Engineering Co., Ltd. | 14 |
7 |
| Nichias Corporation | 398 |
7 |
| Velan Inc. | 44 |
7 |
| Johns Manville | 933 |
6 |
| Mitsubishi Heavy Industries, Ltd. | 8964 |
3 |
| Futaba Industrial Co., Ltd. | 353 |
3 |
| Industrial Insulation Group LLC | 27 |
3 |
| LG Chem, Ltd. | 17745 |
2 |
| The Boeing Company | 20111 |
2 |
| Bayerische Motoren Werke Aktiengesellschaft | 14890 |
2 |
| The Furukawa Electric Co., Ltd. | 3711 |
2 |
| Nippon Steel Corporation | 6607 |
2 |
| PTubes, Inc. | 15 |
2 |
| Sekisui Chemical Co., Ltd. | 3531 |
2 |
| Subsea 7 Limited | 228 |
2 |
| SunCor Energy Inc. | 739 |
2 |
| The Texas a & M University System | 1815 |
2 |
| Thermos Corporation | 6 |
2 |
| Vallourec Oil and Gas France | 455 |
2 |
| Other owners | 69 |