- 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 55/165 - Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a pipe being inserted in the damaged section
Patent holdings for IPC class F16L 55/165
Total number of patents in this class: 712
10-year publication summary
|
51
|
64
|
69
|
80
|
82
|
57
|
53
|
64
|
49
|
17
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| TT Technologies, Inc. | 145 |
63 |
| INA Acquisition Corp. | 134 |
39 |
| LMK Technologies, LLC | 114 |
34 |
| SML Verwaltungs GmbH | 34 |
17 |
| Shell Internationale Research Maatschappij B.V. | 3792 |
15 |
| Brandenburger Patentverwertung GbR | 16 |
15 |
| Trelleborg Pipe Seals Duisburg GmbH | 28 |
14 |
| The Charles Machine Works, Inc. | 411 |
12 |
| Picote Oy Ltd | 30 |
11 |
| Sekisui Chemical Co., Ltd. | 3159 |
11 |
| Per Aarsleff A/S | 23 |
11 |
| Perma-liner Industries, LLC | 26 |
9 |
| Tracto-Technik GmbH & Co. KG | 166 |
9 |
| Recyca-pipe of America L.L.C. | 10 |
8 |
| BKP Berolina Polyester GmbH & Co. KG | 22 |
7 |
| Brandenburger Liner GmbH & Co. KG | 21 |
7 |
| Buergofol GmbH | 12 |
7 |
| Owens Corning Intellectual Capital, LLC | 1456 |
7 |
| Subsurface,Inc. | 21 |
7 |
| Titan CMP Solutions LLC | 8 |
7 |
| Other owners | 402 |