- 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 55/26 - 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: 377
10-year publication summary
|
33
|
28
|
25
|
31
|
39
|
33
|
40
|
26
|
21
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LMK Technologies, LLC | 114 |
15 |
| Halliburton Energy Services, Inc. | 20165 |
11 |
| Saudi Arabian Oil Company | 11322 |
9 |
| INA Acquisition Corp. | 134 |
8 |
| Picote Oy Ltd | 30 |
7 |
| Pipetronics GmbH & Co. KG | 18 |
7 |
| RedZone Robotics, Inc. | 71 |
6 |
| Massachusetts Institute of Technology | 9795 |
5 |
| Aramco Services Company | 3504 |
5 |
| I.s.t. Innovative Sewer Technologies GmbH | 9 |
5 |
| Liqui-force Sewer Services, Inc. | 8 |
5 |
| Pure Technologies Ltd. | 101 |
5 |
| TDW Delaware, Inc. | 163 |
5 |
| Per Aarsleff A/S | 23 |
5 |
| Baker Hughes Incorporated | 5689 |
4 |
| Envirologics Engineering Inc. | 22 |
4 |
| Liqui-Force Services (Ontario) Inc. | 11 |
4 |
| MISTRAS Group, Inc. | 65 |
4 |
| PII Limited | 37 |
4 |
| Quanta Associates, L.P. | 435 |
4 |
| Other owners | 255 |