- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16L - Pipesjoints or fittings for pipessupports for pipes, cables or protective tubingmeans for thermal insulation in general
- F16L 9/00 - Rigid pipes
Patent holdings for IPC class F16L 9/00
Total number of patents in this class: 326
10-year publication summary
|
34
|
24
|
36
|
36
|
32
|
11
|
16
|
17
|
14
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mestek Machinery, Inc. | 62 |
6 |
| Nippon Steel Corporation | 6122 |
6 |
| Hamilton Sundstrand Corporation | 4823 |
5 |
| NOVA Chemicals (International) S.A. | 764 |
5 |
| Toyota Motor Corporation | 31162 |
4 |
| The Boeing Company | 19953 |
4 |
| Sumitomo Wiring Systems, Ltd. | 10199 |
4 |
| JFE Steel Corporation | 6708 |
4 |
| Kyoraku Co., Ltd. | 499 |
4 |
| Evonik Operations GmbH | 3999 |
4 |
| Benteler Steel/Tube GmbH | 35 |
4 |
| Rtx Corporation | 9266 |
4 |
| Vaughanair Canada ULC | 11 |
4 |
| BASF SE | 20666 |
3 |
| Ford Global Technologies, LLC | 20355 |
3 |
| Ibiden Co., Ltd. | 1733 |
3 |
| Acergy France SAS | 126 |
3 |
| Borealis AG | 2764 |
3 |
| Chevron Phillips Chemical Company LP | 1828 |
3 |
| Magma Global Limited | 53 |
3 |
| Other owners | 247 |