- 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 55/11 - Plugs
Patent holdings for IPC class F16L 55/11
Total number of patents in this class: 408
10-year publication summary
48
|
26
|
32
|
35
|
46
|
50
|
43
|
56
|
31
|
12
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
TDW Delaware, Inc. | 163 |
19 |
Engineered Inserts & Systems Inc. | 19 |
13 |
EST Group, Inc. | 24 |
10 |
Kerr Machine Co. | 98 |
10 |
Mueller International, LLC | 694 |
9 |
INA Acquisition Corp. | 134 |
7 |
Saudi Arabian Oil Company | 11322 |
7 |
JNT Technical Services, Inc. | 18 |
6 |
TEAM Industrial Services, Inc. | 68 |
6 |
Coscarella, Gabe | 52 |
5 |
Petersen Resources LLC | 16 |
5 |
Stats (UK) Limited | 44 |
5 |
Illinois Tool Works Inc. | 11152 |
4 |
Advanced F.M.E. Products, Inc. | 18 |
4 |
Aramco Services Company | 3504 |
4 |
Delta SubSea LLC | 27 |
4 |
Fujikin Incorporated | 671 |
4 |
RISE Mining Developments Pty Ltd | 11 |
4 |
Rosen Swiss AG | 128 |
4 |
SFC Koenig AG | 19 |
4 |
Other owners | 274 |