- 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 55/48 - Indicating the position of the pig or mole in the pipe or conduit
Patent holdings for IPC class F16L 55/48
Total number of patents in this class: 179
10-year publication summary
|
8
|
8
|
7
|
12
|
13
|
29
|
20
|
33
|
13
|
10
|
| 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 |
| Rosen Swiss AG | 128 |
11 |
| Saudi Arabian Oil Company | 11322 |
10 |
| Hifi Engineering Inc. | 125 |
7 |
| Halliburton Energy Services, Inc. | 20165 |
6 |
| Pipetronics GmbH & Co. KG | 18 |
6 |
| Aramco Services Company | 3504 |
5 |
| GE Infrastructure Technology, LLC | 5873 |
5 |
| Quest Integrity Group LLC | 30 |
4 |
| INA Acquisition Corp. | 134 |
3 |
| Pure Technologies Ltd. | 101 |
3 |
| REDUCT, naamloze vennootschap | 8 |
3 |
| S & B Technical Products, Inc. | 86 |
3 |
| Uresh AG | 10 |
3 |
| GRTgaz | 71 |
3 |
| International Business Machines Corporation | 60644 |
2 |
| Olympus Corporation | 13667 |
2 |
| Acoustic Systems, Inc. | 9 |
2 |
| Acoustic Systems, Inc. (NY) | 2 |
2 |
| Condux International, Inc. | 30 |
2 |
| Other owners | 85 |