- 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 41/04 - Tapping pipe walls, i.e. making connections through the walls of pipes while they are carrying fluids; Fittings therefor
Patent holdings for IPC class F16L 41/04
Total number of patents in this class: 93
10-year publication summary
|
6
|
11
|
9
|
8
|
17
|
11
|
13
|
7
|
8
|
2
|
| 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Alltemp Products Company Limited | 68 |
5 |
| TDW Delaware, Inc. | 150 |
5 |
| KHOLLE Magnolia 2015, LLC | 15 |
5 |
| INA Acquisition Corp. | 154 |
4 |
| Sanexen Environmental Services Inc. | 38 |
4 |
| BP Corporation North America Inc. | 808 |
3 |
| Hydra-stop LLC | 29 |
3 |
| Canada Pipeline Accessories, Co. Ltd. | 78 |
2 |
| Husqvarna AB | 2695 |
2 |
| Shonan Gosei-Jushi Seisakusho K.K. | 45 |
2 |
| Suiken Co., Ltd. | 30 |
2 |
| Total Piping Solutions Inc. | 23 |
2 |
| Heath Morgan Group Limited | 2 |
2 |
| Bechtel Energy Inc. | 7 |
2 |
| Shell Internationale Research Maatschappij B.V. | 3947 |
1 |
| Caterpillar Inc. | 8316 |
1 |
| Shell Oil Company | 2336 |
1 |
| Continental Automotive GmbH | 5868 |
1 |
| ABB Schweiz AG | 6000 |
1 |
| Alcoa of Australia Limited | 51 |
1 |
| Other owners | 44 |