- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 17/04 - Safety valvesEqualising valves opening on surplus pressure on one sideSafety valvesEqualising valves closing on insufficient pressure on one side spring-loaded
Patent holdings for IPC class F16K 17/04
Total number of patents in this class: 1468
10-year publication summary
|
109
|
141
|
149
|
154
|
164
|
109
|
121
|
142
|
91
|
31
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 42505 |
43 |
| Emerson Process Management Regulator Technologies, Inc. | 380 |
39 |
| Denso Corporation | 24146 |
18 |
| Eagle Industry Co., Ltd. | 1125 |
15 |
| Engineered Controls International, LLC | 147 |
14 |
| Hamilton Sundstrand Corporation | 4834 |
13 |
| Schaeffler Technologies AG & Co. KG | 9771 |
13 |
| MANN+HUMMEL GmbH | 1753 |
12 |
| Fisher Jeon Gas Equipment (Chengdu) Co., Ltd. | 43 |
11 |
| Eaton Intelligent Power Limited | 5972 |
11 |
| Emerson Automation Solutions Final Control US LP | 40 |
11 |
| Goodrich Corporation | 2106 |
9 |
| Halliburton Energy Services, Inc. | 20769 |
8 |
| B/E Aerospace, Inc. | 1624 |
8 |
| BorgWarner Inc. | 2608 |
8 |
| Illinois Tool Works Inc. | 11409 |
7 |
| Caterpillar Inc. | 9509 |
7 |
| JTEKT Corporation | 2490 |
7 |
| KYB Corporation | 1354 |
7 |
| Microtecnica S.r.l. | 86 |
7 |
| Other owners | 1200 |