- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16K - Valves; taps; cocks; actuating-floats; devices for venting or aerating
- F16K 31/143 - Operating means; Releasing devices actuated by fluid for mounting on, or in combination with, hand-actuated valves the fluid acting on a piston
Patent holdings for IPC class F16K 31/143
Total number of patents in this class: 69
10-year publication summary
1
|
5
|
8
|
9
|
10
|
7
|
6
|
5
|
2
|
0
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
CKD Corporation | 424 |
4 |
Fujikin Incorporated | 671 |
3 |
Sloan Valve Company | 284 |
3 |
Uop LLC | 4083 |
2 |
Hamilton Sundstrand Corporation | 4525 |
2 |
Easytork Automation Corporation | 10 |
2 |
Flühs Drehtechnik GmbH | 58 |
2 |
Giacomini S.p.A. | 72 |
2 |
GlobalForce IP Limited | 37 |
2 |
HYDAC Filtertechnik GmbH | 294 |
2 |
Koganei Corporation | 209 |
2 |
LPW Technology Ltd. | 58 |
2 |
Surpass Industry Co., Ltd. | 185 |
2 |
Swagelok Company | 325 |
2 |
Elliott Ebara Turbomachinery Corporation | 2 |
2 |
Evoguard GmbH | 8 |
2 |
Aber - Embraiagens e Comandos Hidraulicos, Antonio Bernardes, Lda. | 6 |
1 |
Air Cruisers Company, LLC | 25 |
1 |
Air Torque S.p.A. | 19 |
1 |
AS America, Inc. | 1087 |
1 |
Other owners | 29 |