- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 17/28 - Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member operating in one direction only
Patent holdings for IPC class F16K 17/28
Total number of patents in this class: 76
10-year publication summary
|
2
|
6
|
8
|
3
|
5
|
9
|
2
|
11
|
5
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BrassCraft Manufacturing Company | 77 |
7 |
| Cenergist Limited | 22 |
5 |
| Hamilton Sundstrand Corporation | 5013 |
3 |
| Hagepe International B.V. | 13 |
3 |
| Safe-Crossings, L.L.C. | 7 |
3 |
| Murata Manufacturing Co., Ltd. | 25776 |
2 |
| JTEKT Corporation | 2599 |
2 |
| Hubbell Incorporated | 3454 |
2 |
| Amirim Products Development & Patents Ltd. | 14 |
2 |
| Andair AG | 4 |
2 |
| Mikron Valve & Manufacturer, Inc. | 4 |
2 |
| Vapor Systems Technologies, Inc. | 7 |
2 |
| Qinov8 UK Ltd | 7 |
2 |
| Pneumadyne, LLC | 2 |
2 |
| Hagepe International B.V. | 3 |
2 |
| Mitsubishi Heavy Industries, Ltd. | 9152 |
1 |
| GM Global Technology Operations LLC | 16170 |
1 |
| Aisan Kogyo Kabushiki Kaisha | 771 |
1 |
| BS & B Innovation Limited | 28 |
1 |
| Donaldson Company, Inc. | 1606 |
1 |
| Other owners | 30 |