- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 1/22 - Lift valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
Patent holdings for IPC class F16K 1/22
Total number of patents in this class: 943
10-year publication summary
|
117
|
82
|
82
|
71
|
69
|
67
|
39
|
41
|
57
|
23
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fisher Controls International LLC | 1464 |
44 |
| Hamilton Sundstrand Corporation | 5017 |
30 |
| Valeo Systemes de Controle Moteur | 587 |
30 |
| Pierburg GmbH | 480 |
28 |
| Aisan Kogyo Kabushiki Kaisha | 763 |
24 |
| Victaulic Company | 623 |
22 |
| Asahi Yukizai Corporation | 154 |
16 |
| Continental Automotive GmbH | 4519 |
15 |
| Bray International, Inc. | 148 |
15 |
| Faurecia Systemes D'Echappement | 172 |
13 |
| Denso Corporation | 25495 |
12 |
| Hayward Industries, Inc. | 678 |
12 |
| Mikuni Corporation | 339 |
11 |
| Mueller International, LLC | 744 |
11 |
| Purem GmbH, Formerly, Eberspächer Exhaust Technology GmbH | 309 |
11 |
| ChargePoint Technology Limited | 46 |
10 |
| KITZ Corporation | 209 |
10 |
| Honeywell International Inc. | 12783 |
9 |
| MKS Instruments, Inc. | 552 |
9 |
| Vitesco Technologies GmbH | 2398 |
9 |
| Other owners | 602 |