- 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 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: 115
10-year publication summary
|
12
|
16
|
4
|
10
|
8
|
9
|
14
|
11
|
10
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dong in Engineering Co., Ltd. | 13 |
7 |
| Velan Inc. | 38 |
6 |
| Johns Manville | 980 |
5 |
| Nichias Corporation | 386 |
4 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
3 |
| The Furukawa Electric Co., Ltd. | 3486 |
3 |
| Futaba Industrial Co., Ltd. | 296 |
3 |
| Industrial Insulation Group LLC | 30 |
3 |
| LG Chem, Ltd. | 17205 |
2 |
| The Boeing Company | 19843 |
2 |
| Monsanto Technology LLC | 7905 |
2 |
| Durasystems Barriers, Inc. | 22 |
2 |
| PTubes, Inc. | 13 |
2 |
| Saipem S.A. | 223 |
2 |
| Sekisui Chemical Co., Ltd. | 3159 |
2 |
| Subsea 7 Limited | 208 |
2 |
| SunCor Energy Inc. | 838 |
2 |
| The Texas a & M University System | 1519 |
2 |
| PMC Pumps Inc. | 23 |
2 |
| Logstor A/S | 30 |
2 |
| Other owners | 57 |