- 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: 1461
10-year publication summary
109
|
141
|
149
|
154
|
164
|
109
|
121
|
141
|
89
|
25
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Robert Bosch GmbH | 42354 |
42 |
Emerson Process Management Regulator Technologies, Inc. | 380 |
39 |
Denso Corporation | 24058 |
18 |
Eagle Industry Co., Ltd. | 1125 |
15 |
Engineered Controls International, LLC | 146 |
14 |
Hamilton Sundstrand Corporation | 4823 |
13 |
Schaeffler Technologies AG & Co. KG | 9688 |
13 |
MANN+HUMMEL GmbH | 1746 |
12 |
Eaton Intelligent Power Limited | 5919 |
11 |
Emerson Automation Solutions Final Control US LP | 40 |
11 |
Fisher Jeon Gas Equipment (Chengdu) Co., Ltd. | 42 |
10 |
Goodrich Corporation | 2095 |
9 |
Halliburton Energy Services, Inc. | 20684 |
8 |
B/E Aerospace, Inc. | 1611 |
8 |
BorgWarner Inc. | 2611 |
8 |
Illinois Tool Works Inc. | 11370 |
7 |
Caterpillar Inc. | 9417 |
7 |
JTEKT Corporation | 2478 |
7 |
KYB Corporation | 1349 |
7 |
Microtecnica S.r.l. | 81 |
7 |
Other owners | 1195 |