- 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: 1475
10-year publication summary
|
70
|
84
|
101
|
99
|
79
|
67
|
53
|
44
|
40
|
14
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fujikin Incorporated | 695 |
51 |
| Delta Faucet Company | 2743 |
43 |
| Covidien LP | 10657 |
29 |
| Robert Bosch GmbH | 43449 |
27 |
| HORIBA STEC, Co., Ltd. | 361 |
19 |
| Mechano Transformer Corporation | 44 |
18 |
| Satake Corporation | 290 |
18 |
| Denso Corporation | 25099 |
17 |
| Murata Manufacturing Co., Ltd. | 25398 |
16 |
| Zhejiang DunAn Artificial Environment Co., Ltd | 631 |
16 |
| ResMed Pty Ltd | 2146 |
14 |
| Conti Temic microelectronic GmbH | 872 |
13 |
| Fisher Controls International LLC | 1496 |
13 |
| Koninklijke Philips N.V. | 25470 |
11 |
| Alfmeier Präzision SE | 30 |
11 |
| Caterpillar Inc. | 10051 |
10 |
| GE Precision Healthcare LLC | 5668 |
10 |
| Honeywell International Inc. | 13604 |
9 |
| Buerkert Werke GmbH | 85 |
9 |
| Drägerwerk AG & Co. KGaA | 983 |
9 |
| Other owners | 1112 |