- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16K - Valves; taps; cocks; actuating-floats; devices for venting or aerating
- F16K 31/163 - Operating means; Releasing devices actuated by fluid with a mechanism, other than pulling- or pushing-rod, between fluid motor and closure member the fluid acting on a piston
Patent holdings for IPC class F16K 31/163
Total number of patents in this class: 190
10-year publication summary
|
16
|
26
|
28
|
19
|
14
|
13
|
23
|
10
|
16
|
2
|
| 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 |
24 |
| Kaneko Sangyo Co., Ltd. | 32 |
11 |
| Hamilton Sundstrand Corporation | 4525 |
10 |
| Robert Bosch GmbH | 40953 |
7 |
| Emerson Process Management Valve Automation, Inc. | 56 |
7 |
| Emerson Process Management Regulator Technologies, Inc. | 373 |
5 |
| Aventics Corporation | 28 |
4 |
| Festo AG & Co. KG | 313 |
4 |
| OMAL S.p.A. | 19 |
4 |
| Victaulic Company | 664 |
4 |
| Schlumberger Technology Corporation | 9690 |
3 |
| Schaeffler Technologies AG & Co. KG | 8880 |
3 |
| Bray International, Inc. | 119 |
3 |
| Fujikin Incorporated | 671 |
3 |
| Out and Out Chemistry SPRL | 13 |
3 |
| Stoneage, Inc. | 224 |
3 |
| Flowserve S.r.l. | 4 |
3 |
| Dresser LLC | 230 |
3 |
| 4MC | 3 |
3 |
| Halliburton Energy Services, Inc. | 20165 |
2 |
| Other owners | 81 |