- 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 9/16 - Rigid pipes wound from sheets or strips, with or without reinforcement
Patent holdings for IPC class F16L 9/16
Total number of patents in this class: 189
10-year publication summary
14
|
12
|
19
|
16
|
14
|
18
|
10
|
12
|
6
|
6
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Zhejiang Xinzhou Bamboo-based Composites Technology Co., Ltd | 38 |
13 |
Huahan Science & Technology Co., Ltd. | 16 |
9 |
Uponor Infra Oy | 51 |
7 |
JFE Steel Corporation | 6067 |
6 |
ITI Scotland Limited | 161 |
4 |
Keystone Tower Systems, Inc. | 46 |
4 |
Sekisui Rib LOC Australia Pty Ltd | 20 |
4 |
Flowtite Technology AS | 6 |
3 |
Intertape Polymer Corp. | 181 |
3 |
Nanjing Lianzhong Construction Engineering Technology Co., Ltd. | 18 |
3 |
Toyo Kohan Co., Ltd. | 413 |
3 |
Ao&g Holding B.V. | 3 |
3 |
Ling Ye | 5 |
3 |
Shenzhen Jin Hong Machinery Co., Ltd | 3 |
3 |
NexGen Pipes Pte. Ltd. | 3 |
3 |
Odfjell Oceanwind AS | 7 |
3 |
Airborne International B.V. | 25 |
2 |
DCNS | 97 |
2 |
Fisher & Paykel Healthcare Limited | 2218 |
2 |
Johns Manville | 980 |
2 |
Other owners | 107 |