- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 17/06 - Safety valvesEqualising valves opening on surplus pressure on one sideSafety valvesEqualising valves closing on insufficient pressure on one side spring-loaded with special arrangements for adjusting the opening pressure
Patent holdings for IPC class F16K 17/06
Total number of patents in this class: 349
10-year publication summary
|
28
|
33
|
39
|
33
|
25
|
23
|
37
|
22
|
19
|
26
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| KYB Corporation | 1441 |
11 |
| Robert Bosch GmbH | 44363 |
6 |
| Engineered Controls International, LLC | 160 |
6 |
| Emerson Automation Solutions Final Control US LP | 50 |
6 |
| Emerson Process Management Regulator Technologies, Inc. | 391 |
5 |
| Flow Dynamics, LLC | 7 |
5 |
| Microtecnica S.r.l. | 101 |
5 |
| Prevco Subsea LLC, DBA Prevco LLC | 9 |
5 |
| Dresser LLC | 301 |
5 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3304 |
5 |
| Prince Mohammad Bin Fahd University | 174 |
5 |
| ZF Friedrichshafen AG | 7268 |
4 |
| Hansen Technologies, LLC | 16 |
4 |
| Polymer Technologies Limited | 7 |
4 |
| Apalta Patents OU | 10 |
4 |
| Pratt & Whitney Canada Corp. | 5584 |
3 |
| Aisin Seiki Kabushiki Kaisha | 2149 |
3 |
| JTEKT Corporation | 2636 |
3 |
| Aisan Kogyo Kabushiki Kaisha | 778 |
3 |
| Fujikin Incorporated | 708 |
3 |
| Other owners | 254 |