- 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: 427
10-year publication summary
|
53
|
52
|
35
|
29
|
29
|
24
|
21
|
15
|
19
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Steel Corporation | 6701 |
39 |
| JFE Steel Corporation | 7370 |
28 |
| ExxonMobil Chemical Patents Inc. | 3822 |
8 |
| Nibco Inc. | 234 |
8 |
| Baoshan Iron & Steel Co., Ltd. | 1078 |
7 |
| LG Electronics Inc. | 75112 |
5 |
| Advanced Drainage Systems, Inc. | 384 |
5 |
| NOVA Chemicals (International) S.A. | 794 |
5 |
| Sanoh Industrial Co., Ltd. | 213 |
5 |
| Ford Global Technologies, LLC | 21309 |
4 |
| DALMINE S.p.A. | 22 |
4 |
| Nippon Steel & Sumikin Stainless Steel Corporation | 161 |
4 |
| Sandvik Intellectual Property AB | 1415 |
4 |
| Usui Kokusai Sangyo Kaisha Limited | 67 |
4 |
| AB Sandvik Materials Technology, | 28 |
4 |
| Benteler Steel/Tube GmbH | 33 |
4 |
| Henkel AG & Co. KGaA | 10705 |
3 |
| Hyperloop Technologies, Inc. | 123 |
3 |
| Hypertherm, Inc. | 666 |
3 |
| JFE Engineering Corporation | 104 |
3 |
| Other owners | 277 |