- 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 33/28 - Arrangements for connecting hoses to rigid members; Rigid hose-connectors, i.e. single members engaging both hoses for hoses with one end terminating in a radial flange or collar
Patent holdings for IPC class F16L 33/28
Total number of patents in this class: 82
10-year publication summary
|
5
|
1
|
5
|
6
|
6
|
4
|
7
|
8
|
5
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| JFE Pipe Fitting Mfg. Co., Ltd. | 4 |
4 |
| National Oilwell Varco Denmark I/S | 135 |
3 |
| Uniwell Rohrsysteme GmbH & Co. KG | 9 |
3 |
| BFM Technology Limited | 13 |
2 |
| Carl Freudenberg KG | 1346 |
2 |
| EagleBurgmann Germany GmbH & Co. KG | 314 |
2 |
| Kanaflex Corporation | 21 |
2 |
| Neoperl GmbH | 608 |
2 |
| Technip France | 737 |
2 |
| Trinity Bay Equipment Holdings, LLC | 244 |
2 |
| Drug Careers Inc., DBA Lane Innovations | 19 |
2 |
| General Electric Company | 18133 |
1 |
| Schlumberger Technology Corporation | 9690 |
1 |
| The Boeing Company | 19843 |
1 |
| Hitachi Metals, Ltd. | 2175 |
1 |
| Robert Bosch GmbH | 40953 |
1 |
| Bridgestone Corporation | 7067 |
1 |
| Sumitomo Wiring Systems, Ltd. | 9367 |
1 |
| The Yokohama Rubber Co., Ltd. | 3929 |
1 |
| The Furukawa Electric Co., Ltd. | 3486 |
1 |
| Other owners | 47 |