- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16L - Pipesjoints or fittings for pipessupports for pipes, cables or protective tubingmeans for thermal insulation in general
- F16L 55/11 - Plugs
Patent holdings for IPC class F16L 55/11
Total number of patents in this class: 416
10-year publication summary
|
26
|
32
|
35
|
46
|
50
|
43
|
53
|
34
|
28
|
18
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| TDW Delaware, Inc. | 167 |
20 |
| Kerr Machine Co. | 127 |
15 |
| Engineered Inserts & Systems Inc. | 20 |
14 |
| Mueller International, LLC | 715 |
11 |
| EST Group, Inc. | 22 |
10 |
| Saudi Arabian Oil Company | 12858 |
8 |
| INA Acquisition Corp. | 132 |
7 |
| JNT Technical Services, Inc. | 18 |
7 |
| Petersen Resources LLC | 19 |
7 |
| TEAM Industrial Services, Inc. | 69 |
7 |
| Stats (UK) Limited | 44 |
5 |
| Illinois Tool Works Inc. | 11396 |
4 |
| Advanced F.M.E. Products, Inc. | 20 |
4 |
| Aramco Services Company | 3910 |
4 |
| Avdel UK Limited | 155 |
4 |
| Delta SubSea LLC | 27 |
4 |
| Fujikin Incorporated | 694 |
4 |
| RISE Mining Developments Pty Ltd | 11 |
4 |
| SFC Koenig AG | 18 |
4 |
| Victaulic Company | 615 |
4 |
| Other owners | 269 |