- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 3/03 - 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 a closure member in the form of an iris-diaphragm
Patent holdings for IPC class F16K 3/03
Total number of patents in this class: 82
10-year publication summary
|
15
|
11
|
17
|
22
|
5
|
13
|
1
|
5
|
3
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| DHK Storage, Inc. | 17 |
9 |
| Clarke Industrial Engineering, Inc. | 9 |
7 |
| Continental Automotive GmbH | 4478 |
5 |
| Hyperloop Technologies, Inc. | 122 |
3 |
| ResMed Pty Ltd | 2187 |
3 |
| Vitesco Technologies GmbH | 2397 |
3 |
| JPMorgan Chase Bank, National Association | 8960 |
2 |
| Atlas Copco Airpower, naamloze vennootschap | 1081 |
2 |
| BorgWarner Inc. | 2582 |
2 |
| ThyssenKrupp Uhde GmbH | 381 |
2 |
| Valmet AB | 556 |
2 |
| Kinetic Pressure Control Limited | 93 |
2 |
| Rtx Corporation | 10127 |
2 |
| Halliburton Energy Services, Inc. | 21309 |
1 |
| The Boeing Company | 20186 |
1 |
| Pratt & Whitney Canada Corp. | 5517 |
1 |
| Airbus Operations GmbH | 3459 |
1 |
| Hewlett-Packard Development Company, L.P. | 25170 |
1 |
| Bayerische Motoren Werke Aktiengesellschaft | 15373 |
1 |
| Weatherford Technology Holdings, LLC | 2162 |
1 |
| Other owners | 31 |