- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 1/36 - Valve members
Patent holdings for IPC class F16K 1/36
Total number of patents in this class: 938
10-year publication summary
|
87
|
65
|
76
|
79
|
77
|
105
|
80
|
88
|
89
|
55
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Zhejiang DunAn Artificial Environment Co., Ltd | 718 |
67 |
| Emerson Process Management Regulator Technologies, Inc. | 391 |
37 |
| Fisher Controls International LLC | 1438 |
31 |
| Robert Bosch GmbH | 44254 |
19 |
| Eagle Industry Co., Ltd. | 1180 |
17 |
| Mueller International, LLC | 746 |
13 |
| Zhejiang Sanhua Automotive Components Co., Ltd. | 335 |
13 |
| Illinois Tool Works Inc. | 11862 |
12 |
| Dresser LLC | 300 |
12 |
| Pierburg GmbH | 478 |
11 |
| HORIBA STEC, Co., Ltd. | 365 |
10 |
| BYD Company Limited | 6543 |
8 |
| Zhejiang Sanhua Intelligent Controls Co., Ltd. | 230 |
8 |
| Zhejiang Sanhua Commercial Refrigeration Controls Co., Ltd. | 36 |
8 |
| Hyundai Motor Company | 24808 |
6 |
| Aisan Kogyo Kabushiki Kaisha | 771 |
6 |
| Asahi Yukizai Corporation | 158 |
6 |
| CKD Corporation | 469 |
6 |
| Hanon Systems | 2125 |
6 |
| KENDRION (Villingen) GmbH | 78 |
6 |
| Other owners | 636 |