- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16K - Valves; taps; cocks; actuating-floats; devices for venting or aerating
- F16K 31/04 - Operating means; Releasing devices magnetic using a motor
Patent holdings for IPC class F16K 31/04
Total number of patents in this class: 2185
10-year publication summary
|
136
|
170
|
218
|
237
|
230
|
221
|
173
|
202
|
209
|
73
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fujikoki Corporation | 330 |
86 |
| Denso Corporation | 23338 |
81 |
| Kohler Mira Limited | 280 |
31 |
| Aisan Kogyo Kabushiki Kaisha | 722 |
29 |
| Nidec Sankyo Corporation | 1117 |
25 |
| Cameron International Corporation | 1305 |
24 |
| Pierburg GmbH | 435 |
24 |
| Valeo Systemes de Controle Moteur | 614 |
22 |
| Illinois Tool Works Inc. | 11152 |
21 |
| Hamilton Sundstrand Corporation | 4525 |
20 |
| Chandler Systems, Inc. | 39 |
20 |
| Belimo Holding AG | 235 |
19 |
| Zhejiang Sanhua Automotive Components Co., Ltd. | 230 |
18 |
| Danfoss A/S | 1259 |
18 |
| Continental Automotive GmbH | 5573 |
17 |
| Zhejiang DunAn Artificial Environment Co., Ltd | 394 |
17 |
| Honeywell International Inc. | 13799 |
16 |
| AUMA Riester GmbH + Co. KG | 78 |
16 |
| Fisher Controls International LLC | 1520 |
16 |
| Vitesco Technologies GmbH | 2372 |
16 |
| Other owners | 1649 |