- 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: 285
10-year publication summary
|
15
|
17
|
27
|
25
|
29
|
23
|
22
|
12
|
19
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fujikin Incorporated | 700 |
59 |
| CKD Corporation | 469 |
10 |
| Kitz SCT Corporation | 47 |
10 |
| Enplas Corporation | 886 |
8 |
| APN Inc. | 23 |
8 |
| Shimadzu Corporation | 6363 |
6 |
| Swagelok Company | 316 |
6 |
| GEMÜ Gebr. Müller Apparatebau GmbH & Co. KG | 125 |
5 |
| Hitachi Metals, Ltd. | 1896 |
4 |
| Altria Client Services LLC | 2442 |
4 |
| CareFusion 303, Inc. | 2388 |
4 |
| HORIBA STEC, Co., Ltd. | 365 |
4 |
| Mecanique Analytique Inc. | 38 |
4 |
| Parker-Hannifin Corporation | 1039 |
4 |
| Sekisui Chemical Co., Ltd. | 3626 |
4 |
| Surpass Industry Co., Ltd. | 157 |
4 |
| Festo SE & Co. KG | 436 |
4 |
| Buerkert Werke GmbH & Co. KG | 101 |
3 |
| ITT Engineered Valves LLC | 17 |
3 |
| Koganei Corporation | 210 |
3 |
| Other owners | 128 |