- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16K - Valves; taps; cocks; actuating-floats; devices for venting or aerating
- F16K 17/04 - Safety valves; Equalising 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: 1404
10-year publication summary
|
108
|
109
|
141
|
149
|
154
|
164
|
109
|
117
|
130
|
34
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 40953 |
41 |
| Emerson Process Management Regulator Technologies, Inc. | 373 |
39 |
| Denso Corporation | 23338 |
18 |
| Eagle Industry Co., Ltd. | 1062 |
14 |
| Hamilton Sundstrand Corporation | 4525 |
13 |
| Schaeffler Technologies AG & Co. KG | 8880 |
13 |
| MANN+HUMMEL GmbH | 1682 |
12 |
| Engineered Controls International, LLC | 122 |
11 |
| Eaton Intelligent Power Limited | 6113 |
11 |
| Fisher Jeon Gas Equipment (Chengdu) Co., Ltd. | 40 |
9 |
| Goodrich Corporation | 2081 |
9 |
| Yamada Manufacturing Co., Ltd. | 141 |
9 |
| Halliburton Energy Services, Inc. | 20165 |
8 |
| Caterpillar Inc. | 8877 |
8 |
| B/E Aerospace, Inc. | 1493 |
8 |
| BorgWarner Inc. | 2604 |
8 |
| Parker Intangibles LLC | 1237 |
8 |
| Illinois Tool Works Inc. | 11152 |
7 |
| Microtecnica S.r.l. | 74 |
7 |
| Proserv Gilmore Valve LLC | 28 |
7 |
| Other owners | 1144 |