- 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: 542
10-year publication summary
|
31
|
45
|
52
|
67
|
36
|
30
|
27
|
36
|
32
|
33
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fujikin Incorporated | 708 |
38 |
| GEMÜ Gebr. Müller Apparatebau GmbH & Co. KG | 126 |
36 |
| Tyco Fire Products LP | 890 |
24 |
| ITT Manufacturing Enterprises LLC | 420 |
12 |
| Asahi Yukizai Corporation | 161 |
9 |
| Equilibar, LLC | 34 |
9 |
| Fluidmaster, Inc. | 142 |
9 |
| ITT Engineered Valves LLC | 17 |
9 |
| Murata Manufacturing Co., Ltd. | 25981 |
8 |
| Buerkert Werke GmbH & Co. KG | 102 |
8 |
| CKD Corporation | 473 |
8 |
| Emerson Process Management Regulator Technologies, Inc. | 391 |
8 |
| Proteus Industries, Inc. | 39 |
7 |
| Georg Fischer Rohrleitungssysteme AG | 134 |
6 |
| HORIBA STEC, Co., Ltd. | 369 |
6 |
| Kitz SCT Corporation | 48 |
6 |
| GEMUE Gebr. Mueller Apparatebau GmbH & Co. Kommanditgesellschaft | 11 |
6 |
| Lam Research Corporation | 5709 |
5 |
| Fresenius Medical Care Deutschland GmbH | 2247 |
5 |
| Kabushiki Kaisha Fujikin | 12 |
5 |
| Other owners | 318 |