- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 31/02 - Operating meansReleasing devices electricOperating meansReleasing devices magnetic
Patent holdings for IPC class F16K 31/02
Total number of patents in this class: 1494
10-year publication summary
|
104
|
70
|
84
|
101
|
99
|
79
|
67
|
52
|
43
|
29
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fujikin Incorporated | 692 |
52 |
| Delta Faucet Company | 2777 |
49 |
| Covidien LP | 10666 |
29 |
| Robert Bosch GmbH | 42815 |
28 |
| Denso Corporation | 24541 |
19 |
| HORIBA STEC, Co., Ltd. | 345 |
18 |
| Mechano Transformer Corporation | 44 |
18 |
| Satake Corporation | 289 |
18 |
| Murata Manufacturing Co., Ltd. | 24813 |
16 |
| ResMed Pty Ltd | 2109 |
14 |
| Fisher Controls International LLC | 1506 |
13 |
| Conti Temic microelectronic GmbH | 890 |
12 |
| Zhejiang DunAn Artificial Environment Co., Ltd | 572 |
12 |
| Koninklijke Philips N.V. | 24902 |
11 |
| Alfmeier Präzision SE | 30 |
11 |
| Caterpillar Inc. | 9640 |
10 |
| GE Precision Healthcare LLC | 5532 |
10 |
| Honeywell International Inc. | 13561 |
9 |
| Buerkert Werke GmbH | 90 |
9 |
| Drägerwerk AG & Co. KGaA | 974 |
9 |
| Other owners | 1127 |