- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16L - Pipesjoints or fittings for pipessupports for pipes, cables or protective tubingmeans for thermal insulation in general
- F16L 33/28 - Arrangements for connecting hoses to rigid membersRigid 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: 90
10-year publication summary
|
5
|
6
|
6
|
4
|
8
|
9
|
5
|
5
|
11
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| JFE Pipe Fitting Mfg. Co., Ltd. | 4 |
4 |
| National Oilwell Varco Denmark I/S | 130 |
3 |
| Drug Careers Inc., DBA Lane Innovations | 20 |
3 |
| Uniwell Rohrsysteme GmbH & Co. KG | 10 |
3 |
| BFM Technology Limited | 24 |
2 |
| CareFusion 303, Inc. | 2372 |
2 |
| Carl Freudenberg KG | 1484 |
2 |
| EagleBurgmann Germany GmbH & Co. KG | 353 |
2 |
| FMC Technologies, Inc. | 616 |
2 |
| Kanaflex Corporation | 19 |
2 |
| Neoperl GmbH | 618 |
2 |
| PACCAR Inc | 1379 |
2 |
| Technip France | 683 |
2 |
| Baker Hughes Energy Technology UK Limited | 268 |
2 |
| Flexsteel USA, LLC | 166 |
2 |
| General Electric Company | 13894 |
1 |
| Schlumberger Technology Corporation | 11767 |
1 |
| The Boeing Company | 20153 |
1 |
| Hitachi Metals, Ltd. | 1901 |
1 |
| Robert Bosch GmbH | 44094 |
1 |
| Other owners | 50 |