- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 7/12 - 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
Patent holdings for IPC class F16K 7/12
Total number of patents in this class: 498
10-year publication summary
52
|
31
|
45
|
51
|
65
|
36
|
30
|
26
|
34
|
21
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Fujikin Incorporated | 694 |
37 |
GEMÜ Gebr. Müller Apparatebau GmbH & Co. KG | 110 |
30 |
Tyco Fire Products LP | 851 |
22 |
ITT Manufacturing Enterprises LLC | 404 |
12 |
Fluidmaster, Inc. | 141 |
9 |
Emerson Process Management Regulator Technologies, Inc. | 383 |
8 |
Equilibar, LLC | 28 |
8 |
ITT Engineered Valves LLC | 17 |
8 |
Murata Manufacturing Co., Ltd. | 24542 |
7 |
Buerkert Werke GmbH & Co. KG | 89 |
7 |
Proteus Industries, Inc. | 45 |
7 |
Asahi Yukizai Corporation | 132 |
6 |
CKD Corporation | 454 |
6 |
Georg Fischer Rohrleitungssysteme AG | 119 |
6 |
GEMUE Gebr. Mueller Apparatebau GmbH & Co. Kommanditgesellschaft | 11 |
6 |
Fresenius Medical Care Deutschland GmbH | 2154 |
5 |
HORIBA STEC, Co., Ltd. | 336 |
5 |
Kabushiki Kaisha Fujikin | 13 |
5 |
Kitz SCT Corporation | 42 |
5 |
SeD Flow Control GmbH | 9 |
5 |
Other owners | 294 |