- 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 55/12 - Means for stopping flow in pipes or hoses by introducing into the pipe a member expandable in situ
Patent holdings for IPC class F16L 55/12
Total number of patents in this class: 86
10-year publication summary
|
4
|
4
|
2
|
3
|
10
|
10
|
6
|
12
|
1
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| INA Acquisition Corp. | 134 |
5 |
| Petersen Resources LLC | 16 |
5 |
| Cherne Industries Incorporated | 36 |
4 |
| TEAM Industrial Services, Inc. | 68 |
4 |
| IPS Corporation | 145 |
3 |
| Mueller International, LLC | 694 |
3 |
| Saudi Arabian Oil Company | 11322 |
3 |
| TDW Delaware, Inc. | 163 |
3 |
| EnReach Hot Tap Services Inc. | 5 |
3 |
| Encapsys, LLC | 168 |
2 |
| IPS Adhesives LLC | 68 |
2 |
| IPS Structural Adhesives, Inc. | 78 |
2 |
| J. van Beugen Beheer B.V. | 17 |
2 |
| MCP Industries, Inc. | 3 |
2 |
| Operations Technology Development, NFP | 24 |
2 |
| Petroleo Brasileiro S.A. - Petrobras | 730 |
2 |
| Watertite Products, Inc. | 107 |
2 |
| Safran Landing Systems UK Ltd | 165 |
2 |
| Trinity Bay Equipment Holdings, LLC | 244 |
2 |
| Weld-on Adhesives, Inc. | 63 |
2 |
| Other owners | 31 |