- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16K - Valves; taps; cocks; actuating-floats; devices 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: 259
10-year publication summary
21
|
18
|
15
|
17
|
27
|
25
|
29
|
23
|
19
|
5
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Fujikin Incorporated | 671 |
58 |
CKD Corporation | 424 |
9 |
Enplas Corporation | 900 |
8 |
Kitz SCT Corporation | 42 |
8 |
APN Inc. | 24 |
8 |
Hitachi Metals, Ltd. | 2175 |
7 |
Shimadzu Corporation | 5791 |
7 |
Swagelok Company | 325 |
6 |
Mecanique Analytique Inc. | 55 |
5 |
Parker-Hannifin Corporation | 999 |
5 |
CareFusion 303, Inc. | 1975 |
4 |
Sekisui Chemical Co., Ltd. | 3159 |
4 |
Surpass Industry Co., Ltd. | 185 |
4 |
Festo SE & Co. KG | 349 |
4 |
Buerkert Werke GmbH & Co. KG | 78 |
3 |
HORIBA STEC, Co., Ltd. | 302 |
3 |
ITT Manufacturing Enterprises LLC | 518 |
3 |
Kabushiki Kaisha Fujikin | 14 |
3 |
Pivotal Systems Corporation | 32 |
3 |
Koninklijke Philips N.V. | 22975 |
2 |
Other owners | 105 |