- 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 55/44 - Constructional aspects of the body expandable
Patent holdings for IPC class F16L 55/44
Total number of patents in this class: 100
10-year publication summary
2
|
8
|
8
|
4
|
7
|
13
|
17
|
20
|
8
|
4
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
TDW Delaware, Inc. | 163 |
12 |
Saudi Arabian Oil Company | 11322 |
5 |
TT Technologies, Inc. | 145 |
4 |
GE Infrastructure Technology, LLC | 5873 |
4 |
Aramco Services Company | 3504 |
3 |
S & B Technical Products, Inc. | 86 |
3 |
Per Aarsleff A/S | 23 |
3 |
on Stream Technologies Inc. | 2 |
2 |
Pica: Pipeline Inspection and Condition Analysis Corporation | 6 |
2 |
Pure Technologies Ltd. | 101 |
2 |
The Safer Plug Company Limited | 12 |
2 |
Shonan Gosei-Jushi Seisakusho K.K. | 44 |
2 |
Southwest Petroleum University | 403 |
2 |
Stats (UK) Limited | 44 |
2 |
Titan CMP Solutions LLC | 8 |
2 |
GRTgaz | 71 |
2 |
Intraco, Inc. | 23 |
2 |
Mewbourne Oil Company | 3 |
2 |
PLP Pipe Line Products and Services Inc. | 4 |
2 |
Turnbull Infrastructure & Utilities Limited | 2 |
2 |
Other owners | 40 |