- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16L - Pipesjoints or fittings for pipessupports for pipes, cables or protective tubingmeans for thermal insulation in general
- F16L 9/02 - Rigid pipes of metal
Patent holdings for IPC class F16L 9/02
Total number of patents in this class: 436
10-year publication summary
|
53
|
52
|
35
|
29
|
30
|
25
|
21
|
15
|
19
|
14
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Steel Corporation | 6839 |
41 |
| JFE Steel Corporation | 7483 |
29 |
| ExxonMobil Chemical Patents Inc. | 3793 |
8 |
| Nibco Inc. | 238 |
8 |
| Baoshan Iron & Steel Co., Ltd. | 1098 |
7 |
| LG Electronics Inc. | 75591 |
5 |
| Advanced Drainage Systems, Inc. | 400 |
5 |
| NOVA Chemicals (International) S.A. | 794 |
5 |
| Sanoh Industrial Co., Ltd. | 215 |
5 |
| Ford Global Technologies, LLC | 21466 |
4 |
| DALMINE S.p.A. | 22 |
4 |
| Nippon Steel & Sumikin Stainless Steel Corporation | 157 |
4 |
| Sandvik Intellectual Property AB | 1400 |
4 |
| Usui Kokusai Sangyo Kaisha Limited | 67 |
4 |
| AB Sandvik Materials Technology, | 28 |
4 |
| Benteler Steel/Tube GmbH | 33 |
4 |
| Henkel AG & Co. KGaA | 10766 |
3 |
| Hyperloop Technologies, Inc. | 123 |
3 |
| Hypertherm, Inc. | 680 |
3 |
| JFE Engineering Corporation | 104 |
3 |
| Other owners | 283 |