- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 17/30 - 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 spring-loaded
Patent holdings for IPC class F16K 17/30
Total number of patents in this class: 324
10-year publication summary
|
20
|
17
|
35
|
26
|
16
|
17
|
23
|
24
|
21
|
16
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Emerson Process Management Regulator Technologies, Inc. | 383 |
27 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3075 |
10 |
| Saginomiya Seisakusho, Inc. | 216 |
9 |
| Watts Regulator Co. | 309 |
8 |
| Eagle Industry Co., Ltd. | 1133 |
7 |
| Engineered Controls International, LLC | 150 |
6 |
| Fisher Jeon Gas Equipment (Chengdu) Co., Ltd. | 45 |
6 |
| Kabushiki Kaisha Saginomiya Seisakusho | 78 |
5 |
| Mertik Maxitrol GmbH & Co. KG | 18 |
5 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12753 |
5 |
| Honeywell International Inc. | 13561 |
4 |
| Hamilton Sundstrand Corporation | 4923 |
4 |
| Kawasaki Heavy Industries, Limited | 1659 |
4 |
| Aisan Kogyo Kabushiki Kaisha | 743 |
4 |
| Durr Systems GmbH | 269 |
4 |
| Keihin Corporation | 182 |
4 |
| Eaton Intelligent Power Limited | 6035 |
4 |
| Toyota Motor Corporation | 32956 |
3 |
| Robert Bosch GmbH | 42815 |
3 |
| Kayaba Industry Co., Ltd. | 352 |
3 |
| Other owners | 199 |