- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16L - Pipesjoints or fittings for pipessupports for pipes, cables or protective tubingmeans for thermal insulation in general
- F16L 55/26 - Pigs or moles, i.e. devices movable in a pipe or conduit with or without self-contained propulsion means
Patent holdings for IPC class F16L 55/26
Total number of patents in this class: 405
10-year publication summary
|
22
|
25
|
34
|
27
|
32
|
24
|
21
|
13
|
24
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LMK Technologies, LLC | 104 |
15 |
| Halliburton Energy Services, Inc. | 21117 |
13 |
| Saudi Arabian Oil Company | 13814 |
12 |
| INA Acquisition Corp. | 129 |
11 |
| Picote Oy Ltd | 30 |
7 |
| Per Aarsleff A/S | 32 |
7 |
| Aramco Services Company | 4147 |
6 |
| RedZone Robotics, Inc. | 69 |
6 |
| Pipetronics GmbH & Co. KG | 21 |
6 |
| Massachusetts Institute of Technology | 10181 |
5 |
| Liqui-force Sewer Services, Inc. | 8 |
5 |
| Pure Technologies Ltd. | 81 |
5 |
| TDW Delaware, Inc. | 168 |
5 |
| Baker Hughes Incorporated | 5140 |
4 |
| Fer-pal Construction Ltd. | 21 |
4 |
| I.s.t. Innovative Sewer Technologies GmbH | 6 |
4 |
| Liqui-Force Services (Ontario) Inc. | 11 |
4 |
| MISTRAS Group, Inc. | 69 |
4 |
| Mueller International, LLC | 726 |
4 |
| Quanta Associates, L.P. | 435 |
4 |
| Other owners | 274 |