- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 3/12 - Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing facesPackings therefor with wedge-shaped arrangements of sealing faces
Patent holdings for IPC class F16K 3/12
Total number of patents in this class: 61
10-year publication summary
|
7
|
4
|
4
|
6
|
7
|
13
|
6
|
4
|
4
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| VAT Holding AG | 238 |
8 |
| Kennedy Valve Company | 38 |
7 |
| AVK Holding A/S | 97 |
5 |
| Pipe Transformations Ltd | 8 |
3 |
| Fisher Controls International LLC | 1484 |
2 |
| Hyperloop Technologies, Inc. | 123 |
2 |
| Innovative Pipesystems Limited | 3 |
2 |
| KITZ Corporation | 211 |
2 |
| McWane, Inc. | 115 |
2 |
| Metaltecnica S.r.l. | 8 |
2 |
| Mueller International, LLC | 737 |
2 |
| Magdrive Technologies, Inc. | 22 |
2 |
| The Regents of the University of California | 20556 |
1 |
| Kennametal Inc. | 1364 |
1 |
| Franklin Valve, LP, Summit Company, GP, LLC, a Texas limited liability company | 15 |
1 |
| Fujikoki Corporation | 404 |
1 |
| Integrated Equipment, Inc. | 4 |
1 |
| Kubota Corporation | 4219 |
1 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4053 |
1 |
| Neway Valve (Suzhou) Co., Ltd. | 42 |
1 |
| Other owners | 14 |