- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16L - Pipesjoints or fittings for pipessupports for pipes, cables or protective tubingmeans for thermal insulation in general
- F16L 55/163 - Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a ring, a band or a sleeve being pressed against the inner surface of the pipe
Patent holdings for IPC class F16L 55/163
Total number of patents in this class: 219
10-year publication summary
|
21
|
15
|
31
|
24
|
17
|
14
|
13
|
9
|
16
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mueller International, LLC | 737 |
23 |
| LMK Technologies, LLC | 100 |
18 |
| Nu Flow Technologies 2000 Inc. | 31 |
8 |
| Graf Patentverwertungs GbR | 6 |
6 |
| INA Acquisition Corp. | 129 |
6 |
| Per Aarsleff A/S | 33 |
6 |
| Perma-liner Industries, LLC | 39 |
5 |
| Press-seal Corporation | 41 |
5 |
| Halliburton Energy Services, Inc. | 21230 |
4 |
| Fer-pal Construction Ltd. | 47 |
4 |
| Bld Services, LLC | 4 |
4 |
| Pipetronics GmbH & Co. KG | 21 |
4 |
| Terves, LLC | 53 |
4 |
| Liqui-Force Services (Ontario) Inc. | 11 |
3 |
| Sanexen Environmental Services Inc. | 26 |
3 |
| Sekisui Chemical Co., Ltd. | 3575 |
3 |
| Shonan Gosei-Jushi Seisakusho K.K. | 39 |
3 |
| Titan CMP Solutions LLC | 8 |
3 |
| Vetter GmbH | 41 |
3 |
| Isealate AS | 6 |
3 |
| Other owners | 101 |