- 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: 889
10-year publication summary
|
83
|
62
|
67
|
72
|
72
|
100
|
78
|
81
|
83
|
14
|
| 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 | 627 |
58 |
| Emerson Process Management Regulator Technologies, Inc. | 386 |
37 |
| Fisher Controls International LLC | 1495 |
33 |
| Robert Bosch GmbH | 43365 |
19 |
| Eagle Industry Co., Ltd. | 1163 |
17 |
| Mueller International, LLC | 732 |
13 |
| Illinois Tool Works Inc. | 11662 |
12 |
| Pierburg GmbH | 471 |
11 |
| Zhejiang Sanhua Automotive Components Co., Ltd. | 315 |
11 |
| Dresser LLC | 283 |
10 |
| HORIBA STEC, Co., Ltd. | 360 |
9 |
| Zhejiang Sanhua Commercial Refrigeration Controls Co., Ltd. | 35 |
8 |
| BYD Company Limited | 6041 |
7 |
| Zhejiang Sanhua Intelligent Controls Co., Ltd. | 216 |
7 |
| Hyundai Motor Company | 23323 |
6 |
| Aisan Kogyo Kabushiki Kaisha | 758 |
6 |
| Asahi Yukizai Corporation | 145 |
6 |
| CKD Corporation | 458 |
6 |
| Hanon Systems | 2043 |
6 |
| KENDRION (Villingen) GmbH | 76 |
6 |
| Other owners | 601 |