- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 21/10 - Self-closing valves, i.e. closing automatically after operation in which the closing movement, either retarded or not, starts immediately after opening with hydraulic brake cylinder acting on the closure member
Patent holdings for IPC class F16K 21/10
Total number of patents in this class: 30
10-year publication summary
|
0
|
1
|
1
|
6
|
1
|
2
|
0
|
0
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Les ROBINETS PRESTO | 28 |
4 |
| Emerson Vulcan Holding LLC | 128 |
2 |
| Aquasmart Holdings Limited | 2 |
2 |
| The Boeing Company | 20053 |
1 |
| Hamilton Sundstrand Corporation | 4881 |
1 |
| Atlas Copco Airpower, naamloze vennootschap | 1029 |
1 |
| Ausco, Inc. | 19 |
1 |
| BSH Hausgeräte GmbH | 5515 |
1 |
| Danfoss Power Solutions Inc. | 111 |
1 |
| Flow Safe Inc | 2 |
1 |
| Goodrich Corporation | 2129 |
1 |
| Graham-White Manufacturing Company | 22 |
1 |
| Horst Thiele Maschinenbau-hydraulische Gerate GmbH | 2 |
1 |
| KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbH | 618 |
1 |
| Lube Corporation | 36 |
1 |
| Societe des Eaux de Marseille | 3 |
1 |
| Woodward, Inc. | 645 |
1 |
| Nuovo Pignone Tecnologie S.r.l. | 978 |
1 |
| Eaton Intelligent Power Limited | 5989 |
1 |
| Alpes Mediterranee Technologie Electriques | 1 |
1 |
| Other owners | 5 |