- 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: 428
10-year publication summary
|
24
|
28
|
30
|
43
|
44
|
40
|
44
|
32
|
27
|
30
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| TDW Delaware, Inc. | 169 |
19 |
| Kerr Machine Co. | 157 |
19 |
| Engineered Inserts & Systems Inc. | 23 |
17 |
| Mueller International, LLC | 725 |
11 |
| EST Group, Inc. | 22 |
10 |
| Saudi Arabian Oil Company | 13622 |
9 |
| JNT Technical Services, Inc. | 18 |
7 |
| Petersen Resources LLC | 19 |
7 |
| TEAM Industrial Services, Inc. | 70 |
7 |
| INA Acquisition Corp. | 129 |
6 |
| Stats (UK) Limited | 44 |
5 |
| Illinois Tool Works Inc. | 11531 |
4 |
| Robert Bosch GmbH | 43034 |
4 |
| Advanced F.M.E. Products, Inc. | 20 |
4 |
| Aramco Services Company | 4090 |
4 |
| Avdel UK Limited | 153 |
4 |
| Delta SubSea LLC | 28 |
4 |
| Fujikin Incorporated | 694 |
4 |
| RISE Mining Developments Pty Ltd | 11 |
4 |
| SFC Koenig AG | 18 |
4 |
| Other owners | 275 |