- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 7/16 - Diaphragm cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage with flat, dished, or bowl-shaped diaphragm arranged to be deformed against a flat seat the diaphragm being mechanically actuated, e.g. by screw-spindle or cam
Patent holdings for IPC class F16K 7/16
Total number of patents in this class: 273
10-year publication summary
|
18
|
13
|
17
|
27
|
25
|
29
|
23
|
21
|
11
|
11
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fujikin Incorporated | 691 |
60 |
| CKD Corporation | 455 |
9 |
| Kitz SCT Corporation | 43 |
9 |
| Enplas Corporation | 889 |
8 |
| APN Inc. | 23 |
8 |
| Shimadzu Corporation | 6183 |
6 |
| Swagelok Company | 319 |
6 |
| Parker-Hannifin Corporation | 1038 |
5 |
| Hitachi Metals, Ltd. | 1977 |
4 |
| CareFusion 303, Inc. | 2205 |
4 |
| Mecanique Analytique Inc. | 38 |
4 |
| Sekisui Chemical Co., Ltd. | 3436 |
4 |
| Surpass Industry Co., Ltd. | 167 |
4 |
| Festo SE & Co. KG | 387 |
4 |
| Altria Client Services LLC | 2204 |
3 |
| Buerkert Werke GmbH & Co. KG | 89 |
3 |
| HORIBA STEC, Co., Ltd. | 339 |
3 |
| ITT Engineered Valves LLC | 17 |
3 |
| Koganei Corporation | 214 |
3 |
| Pivotal Systems Corporation | 33 |
3 |
| Other owners | 120 |