- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16L - Pipesjoints or fittings for pipessupports for pipes, cables or protective tubingmeans 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: 109
10-year publication summary
|
7
|
6
|
3
|
7
|
13
|
17
|
18
|
8
|
9
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| TDW Delaware, Inc. | 168 |
13 |
| Saudi Arabian Oil Company | 13224 |
7 |
| GE Infrastructure Technology, LLC | 6233 |
5 |
| Aramco Services Company | 3987 |
4 |
| TT Technologies, Inc. | 151 |
4 |
| S & B Technical Products, Inc. | 88 |
3 |
| Per Aarsleff A/S | 30 |
3 |
| on Stream Technologies Inc. | 2 |
2 |
| Pica: Pipeline Inspection and Condition Analysis Corporation | 7 |
2 |
| The Safer Plug Company Limited | 14 |
2 |
| Shonan Gosei-Jushi Seisakusho K.K. | 38 |
2 |
| Southwest Petroleum University | 471 |
2 |
| Stats (UK) Limited | 44 |
2 |
| Titan CMP Solutions LLC | 8 |
2 |
| Pure Technologies U.S. Inc. | 13 |
2 |
| GRTgaz | 66 |
2 |
| Intraco, Inc. | 24 |
2 |
| Mewbourne Oil Company | 3 |
2 |
| PLP Pipe Line Products and Services Inc. | 4 |
2 |
| Turnbull Infrastructure & Utilities Limited | 2 |
2 |
| Other owners | 44 |