- 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 9/02 - Rigid pipes of metal
Patent holdings for IPC class F16L 9/02
Total number of patents in this class: 409
10-year publication summary
46
|
53
|
53
|
52
|
35
|
28
|
29
|
23
|
21
|
8
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Nippon Steel Corporation | 5649 |
37 |
JFE Steel Corporation | 6067 |
27 |
ExxonMobil Chemical Patents Inc. | 4286 |
8 |
Nibco Inc. | 219 |
8 |
Sanoh Industrial Co., Ltd. | 189 |
6 |
LG Electronics Inc. | 69257 |
5 |
Nippon Steel & Sumikin Stainless Steel Corporation | 171 |
5 |
NOVA Chemicals (International) S.A. | 717 |
5 |
Usui Kokusai Sangyo Kaisha Limited | 79 |
5 |
Ford Global Technologies, LLC | 19702 |
4 |
Advanced Drainage Systems, Inc. | 304 |
4 |
Baoshan Iron & Steel Co., Ltd. | 832 |
4 |
DALMINE S.p.A. | 22 |
4 |
Sandvik Intellectual Property AB | 1634 |
4 |
AB Sandvik Materials Technology, | 30 |
4 |
Benteler Steel/Tube GmbH | 37 |
4 |
Hyperloop Technologies, Inc. | 207 |
3 |
JFE Engineering Corporation | 92 |
3 |
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2865 |
3 |
Nippon Steel & Sumitomo Metal Corporation | 1990 |
3 |
Other owners | 263 |