- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 3/26 - 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 with cylindrical valve members with fluid passages in the valve member
Patent holdings for IPC class F16K 3/26
Total number of patents in this class: 534
10-year publication summary
|
33
|
58
|
74
|
48
|
49
|
37
|
40
|
32
|
31
|
16
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fisher Controls International LLC | 1453 |
27 |
| KYB Corporation | 1426 |
14 |
| NCS Multistage Inc. | 171 |
11 |
| Emerson Process Management Regulator Technologies, Inc. | 391 |
9 |
| Robert Bosch GmbH | 44209 |
7 |
| Guangdong Welling Motor Manufacturing Co., Ltd. | 231 |
6 |
| Samson Aktiengesellschaft | 277 |
6 |
| Honda Motor Co., Ltd. | 26064 |
5 |
| Pratt & Whitney Canada Corp. | 5511 |
5 |
| Hamilton Sundstrand Corporation | 5013 |
5 |
| Komatsu Ltd. | 4741 |
5 |
| Microtecnica S.r.l. | 100 |
5 |
| Mueller International, LLC | 746 |
5 |
| Danfoss A/S | 1438 |
5 |
| Ofip Limited | 20 |
5 |
| Halliburton Energy Services, Inc. | 21305 |
4 |
| Siemens AG | 24011 |
4 |
| The Boeing Company | 20168 |
4 |
| Denso Corporation | 25607 |
4 |
| BorgWarner Inc. | 2584 |
4 |
| Other owners | 394 |