- 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 55/128 - Means for stopping flow in pipes or hoses by introducing into the pipe a member expandable in situ introduced axially into the pipe or hose
Patent holdings for IPC class F16L 55/128
Total number of patents in this class: 146
10-year publication summary
|
11
|
9
|
9
|
8
|
16
|
15
|
13
|
23
|
5
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| TDW Delaware, Inc. | 163 |
16 |
| TDW Offshore Services AS | 27 |
13 |
| Curapipe System Ltd. | 28 |
9 |
| USA Industries, LLC | 32 |
7 |
| Stats (UK) Limited | 44 |
6 |
| Engie | 174 |
5 |
| CB Canada Acquisition, Inc. | 24 |
5 |
| Mueller International, LLC | 694 |
4 |
| The Safer Plug Company Limited | 12 |
4 |
| Advanced F.M.E. Products, Inc. | 18 |
3 |
| Coscarella, Gabe | 52 |
3 |
| Mazur, Ivan | 4 |
3 |
| Petersen Resources LLC | 16 |
3 |
| Trinity Bay Equipment Holdings, LLC | 244 |
3 |
| Scott Lock Company | 3 |
3 |
| Cherne Industries Incorporated | 36 |
2 |
| No-des, Inc. | 13 |
2 |
| Rosen Swiss AG | 128 |
2 |
| Saipem S.p.A. | 513 |
2 |
| Saudi Arabian Oil Company | 11322 |
2 |
| Other owners | 49 |