- 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 55/13 - 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 the closure device being a plug fixed by plastic deformation
Patent holdings for IPC class F16L 55/13
Total number of patents in this class: 46
10-year publication summary
|
2
|
2
|
0
|
5
|
7
|
4
|
7
|
3
|
4
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Engineered Inserts & Systems Inc. | 19 |
10 |
| Avdel UK Limited | 158 |
3 |
| EST Group, Inc. | 24 |
3 |
| Kvt-koenig AG | 4 |
3 |
| Saudi Arabian Oil Company | 11322 |
3 |
| Robert Bosch GmbH | 40953 |
2 |
| Delavan Inc | 30 |
2 |
| INA Acquisition Corp. | 134 |
2 |
| SFC Koenig AG | 19 |
2 |
| TDW Delaware, Inc. | 163 |
2 |
| Treadstone Oilfield Services Ltd. | 6 |
2 |
| General Electric Company | 18133 |
1 |
| Hamilton Sundstrand Corporation | 4525 |
1 |
| Aramco Services Company | 3504 |
1 |
| Associated Research Developments LTD. | 4 |
1 |
| Noritz Corporation | 255 |
1 |
| Operations Technology Development, NFP | 24 |
1 |
| Safekey Engineering Technology (zhengzhou), Ltd. | 15 |
1 |
| The United States of America as represented by the Administrator of the National Aeronautics and Space Administration | 527 |
1 |
| Trinity Bay Equipment Holdings, LLC | 244 |
1 |
| Other owners | 3 |