- 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: 314
10-year publication summary
|
23
|
17
|
42
|
26
|
18
|
17
|
24
|
26
|
20
|
2
|
| 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. | 378 |
27 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3015 |
10 |
| Saginomiya Seisakusho, Inc. | 209 |
9 |
| Watts Regulator Co. | 296 |
8 |
| Engineered Controls International, LLC | 140 |
6 |
| Fisher Jeon Gas Equipment (Chengdu) Co., Ltd. | 41 |
6 |
| Eagle Industry Co., Ltd. | 1101 |
5 |
| Kabushiki Kaisha Saginomiya Seisakusho | 81 |
5 |
| Mertik Maxitrol GmbH & Co. KG | 18 |
5 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 13086 |
5 |
| Hamilton Sundstrand Corporation | 4728 |
4 |
| Aisan Kogyo Kabushiki Kaisha | 722 |
4 |
| Durr Systems GmbH | 278 |
4 |
| Keihin Corporation | 193 |
4 |
| Rico-Sicherheitstechnik AG | 19 |
4 |
| Toyota Motor Corporation | 30455 |
3 |
| Honeywell International Inc. | 14021 |
3 |
| Robert Bosch GmbH | 41786 |
3 |
| Kawasaki Heavy Industries, Limited | 1590 |
3 |
| Kayaba Industry Co., Ltd. | 367 |
3 |
| Other owners | 193 |