- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16K - Valves; taps; cocks; actuating-floats; devices for venting or aerating
- F16K 3/34 - Arrangements for modifying the way in which the rate of flow varies during the actuation of the valve
Patent holdings for IPC class F16K 3/34
Total number of patents in this class: 112
10-year publication summary
8
|
4
|
12
|
13
|
13
|
11
|
13
|
12
|
10
|
3
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Fisher Controls International LLC | 1520 |
8 |
EcoWater Systems LLC | 139 |
3 |
Mueller International, LLC | 694 |
3 |
Robert Bosch GmbH | 40953 |
2 |
Denso Corporation | 23338 |
2 |
Caterpillar Inc. | 8877 |
2 |
Binder GmbH | 49 |
2 |
Control Components, Inc. | 84 |
2 |
IMI Hydronic Engineering International S.A. | 81 |
2 |
Magna Powertrain Inc. | 120 |
2 |
Parker Hannifin Manufacturing Limited | 51 |
2 |
Robertshaw Controls Company | 127 |
2 |
z & J Technologies GmbH | 31 |
2 |
ZMK Technologies GmbH | 2 |
2 |
Hanon Systems EFP Canada Ltd. | 65 |
2 |
META Platforms Technologies, LLC | 4806 |
2 |
Droptech AS | 2 |
2 |
Fortune Brands Water Innovations LLC | 596 |
2 |
Zhejiang Sanhua Commercial Refrigeration Controls Co., Ltd. | 29 |
2 |
Samsung Electronics Co., Ltd. | 131630 |
1 |
Other owners | 65 |