- 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: 1464
10-year publication summary
|
79
|
95
|
114
|
109
|
87
|
78
|
61
|
45
|
47
|
35
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fujikin Incorporated | 696 |
51 |
| Delta Faucet Company | 2865 |
43 |
| Covidien LP | 10649 |
29 |
| Robert Bosch GmbH | 44160 |
25 |
| HORIBA STEC, Co., Ltd. | 366 |
19 |
| Mechano Transformer Corporation | 44 |
18 |
| Satake Corporation | 296 |
18 |
| Zhejiang DunAn Artificial Environment Co., Ltd | 703 |
17 |
| Murata Manufacturing Co., Ltd. | 25744 |
16 |
| Denso Corporation | 25534 |
14 |
| ResMed Pty Ltd | 2178 |
14 |
| Fisher Controls International LLC | 1457 |
12 |
| Alfmeier Präzision SE | 30 |
11 |
| Koninklijke Philips N.V. | 25856 |
10 |
| Caterpillar Inc. | 10267 |
10 |
| GE Precision Healthcare LLC | 5788 |
10 |
| AUMOVIO Germany GmbH | 480 |
10 |
| Honeywell International Inc. | 12778 |
9 |
| Drägerwerk AG & Co. KGaA | 990 |
9 |
| Festo SE & Co. KG | 436 |
9 |
| Other owners | 1110 |