- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 3/22 - 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 sealing faces shaped as surfaces of solids of revolution
Patent holdings for IPC class F16K 3/22
Total number of patents in this class: 69
10-year publication summary
|
8
|
6
|
3
|
11
|
5
|
3
|
4
|
5
|
4
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fisher Controls International LLC | 1485 |
7 |
| Denso Corporation | 25183 |
6 |
| Crane Chempharma & Energy Corp. | 62 |
4 |
| Vacuum All Co., Ltd. | 3 |
3 |
| Aisin Seiki Kabushiki Kaisha | 2177 |
2 |
| Emerson Process Management (Tianjin) Valves Co., Ltd | 11 |
2 |
| Flowserve Management Company | 196 |
2 |
| GREE Electric Appliances, Inc. of Zhuhai | 3278 |
2 |
| KITZ Corporation | 211 |
2 |
| Schivo Medical Limited | 9 |
2 |
| Schlumberger Technology Corporation | 11483 |
1 |
| Kohler Co. | 4122 |
1 |
| Applied Materials, Inc. | 20036 |
1 |
| Schaeffler Technologies AG & Co. KG | 10707 |
1 |
| Air Products and Chemicals, Inc. | 1464 |
1 |
| Shimadzu Corporation | 6307 |
1 |
| Audi AG | 7475 |
1 |
| Badger Meter, Inc. | 200 |
1 |
| Dong-A University Research Foundation for Industry-Academy Cooperation | 212 |
1 |
| Dyna-flo Control Valve Services Ltd. | 3 |
1 |
| Other owners | 27 |