- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16L - Pipesjoints or fittings for pipessupports for pipes, cables or protective tubingmeans for thermal insulation in general
- F16L 37/32 - Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in each of two pipe-end fittings at least one of two lift valves being opened automatically when the coupling is applied
Patent holdings for IPC class F16L 37/32
Total number of patents in this class: 283
10-year publication summary
|
22
|
15
|
15
|
13
|
12
|
16
|
20
|
7
|
29
|
17
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nitto Kohki Co., Ltd. | 253 |
17 |
| Staubli Faverges | 156 |
17 |
| WilMarc Holdings, LLC | 63 |
9 |
| Colder Products Company | 297 |
7 |
| Faster S.p.A. | 22 |
6 |
| Husky Corporation | 69 |
6 |
| Stucchi S.p.A. | 32 |
6 |
| Toyo Seikan Kaisha, Ltd. | 288 |
6 |
| Engineered Controls International, LLC | 160 |
5 |
| Nitta Corporation | 388 |
5 |
| ALFA GOMMA S.p.A. | 56 |
4 |
| ConvaTec Technologies Inc. | 251 |
4 |
| Flomax International, Inc. | 21 |
4 |
| Parker Intangibles LLC | 1166 |
4 |
| Eaton Intelligent Power Limited | 6269 |
4 |
| Danfoss A/S | 1446 |
4 |
| OPW Fueling Components, LLC | 68 |
4 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6165 |
4 |
| Shenzhen Envicool Smart Connection Technology Co., Ltd. | 7 |
4 |
| Kyocera Document Solutions Inc. | 6323 |
3 |
| Other owners | 160 |