- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16K - Valves; taps; cocks; actuating-floats; devices for venting or aerating
- F16K 17/16 - Safety valves; Equalising valves closing on insufficient pressure on one side with fracturing member with fracturing diaphragm
Patent holdings for IPC class F16K 17/16
Total number of patents in this class: 222
10-year publication summary
|
26
|
22
|
23
|
24
|
14
|
27
|
21
|
13
|
10
|
7
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fike Corporation | 139 |
23 |
| Oklahoma Safety Equipment Company, Inc. | 27 |
12 |
| BS & B Innovation Limited | 27 |
11 |
| Goodrich Corporation | 2081 |
9 |
| BS & B Safety Systems Ltd. | 17 |
8 |
| Elfab Limited | 17 |
6 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
5 |
| Petainer Large Container IP Limited | 32 |
5 |
| PSI Pressure Systems LLC | 10 |
5 |
| SPM Oil & Gas Inc. | 304 |
5 |
| Halliburton Energy Services, Inc. | 20165 |
4 |
| Illinois Tool Works Inc. | 11152 |
4 |
| NCS Multistage Inc. | 172 |
4 |
| Donadon Safety Discs and Decives S.r.l. | 4 |
4 |
| Donaldson Company, Inc. | 1513 |
3 |
| Fisher Controls International LLC | 1520 |
3 |
| Hansen Technologies, LLC | 10 |
3 |
| Lonza Ltd. | 609 |
3 |
| MANN+HUMMEL GmbH | 1682 |
3 |
| Saudi Arabian Oil Company | 11322 |
3 |
| Other owners | 99 |